MCP6H71/2/4 2.7 MHz, 12V Op Amps Features: Description: • • • • • • Microchip’s MCP6H71/2/4 family of operational amplifiers (op amps) has a wide supply voltage range of 3.5V to 12V and rail-to-rail output operation. This family is unity gain stable and has a gain bandwidth product of 2.7 MHz (typical). These devices operate with a single-supply voltage as high as 12V, while only drawing 480 µA/amplifier (typical) of quiescent current. • • • • • Input Offset Voltage: ±1 mV (typical) Quiescent Current: 480 µA (typical) Common Mode Rejection Ratio: 103 dB (typical) Power Supply Rejection Ratio: 105 dB (typical) Rail-to-Rail Output Supply Voltage Range: - Single-Supply Operation: 3.5V to 12V - Dual-Supply Operation: ±1.75V to ±6V Gain Bandwidth Product: 2.7 MHz (typical) Slew Rate: 2 V/µs (typical) Unity Gain Stable Extended Temperature Range: -40°C to +125°C No Phase Reversal The MCP6H71/2/4 family is offered in single (MCP6H71), dual (MCP6H72) and quad (MCP6H74) configurations. All devices are fully specified in extended temperature range from -40°C to +125°C. Package Types MCP6H71 SOIC Applications: • • • • Automotive Power Electronics Industrial Control Equipment Battery Powered Systems Sensor Conditioning NC 1 8 NC VOUTA 1 8 VDD VIN– 2 7 VDD VINA– 2 7 VOUTB VIN+ 3 6 VOUT 5 NC VINA+ 3 6 VINB– 5 VINB+ VSS 4 VSS 4 MCP6H72 2x3 TDFN MCP6H71 2x3 TDFN Design Aids: • • • • • MCP6H72 SOIC SPICE Macro Models FilterLab® Software MAPS (Microchip Advanced Part Selector) Analog Demonstration and Evaluation Boards Application Notes NC 1 VIN– 2 VIN+ 3 VSS 4 EP 9 8 NC VOUTA 1 7 VDD VINA– 2 6 VOUT VINA+ 3 5 NC 8 VDD EP 9 VSS 4 7 VOUTB 6 VINB– 5 VINB+ MCP6H74 SOIC, TSSOP Typical Application R1 R2 V1 VREF VDD MCP6H71 VOUT VOUTA 1 14 VOUTD VINA– 2 13 VIND– VINA+ 3 VDD 4 12 VIND+ 11 VSS VINB+ 5 10 VINC+ VINB– 6 9 VINC– 8 VOUTC VOUTB 7 V2 * Includes Exposed Thermal Pad (EP); see Table 3-1. R1 R2 Difference Amplifier 2012 Microchip Technology Inc. DS22325B-page 1 MCP6H71/2/4 NOTES: DS22325B-page 2 2012 Microchip Technology Inc. MCP6H71/2/4 1.0 ELECTRICAL CHARACTERISTICS 1.1 Absolute Maximum Ratings † † Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. †† See Section 4.1.2, Input Voltage Limits. VDD – VSS.......................................................................13.2V Current at Input Pins......................................................±2 mA Analog Inputs (VIN+, VIN-)††.............VSS – 1.0V to VDD + 1.0V All Other Inputs and Outputs ............VSS – 0.3V to VDD + 0.3V Difference Input Voltage..........................................VDD – VSS Output Short-Circuit Current...................................continuous Current at Output and Supply Pins ..............................±65 mA Storage Temperature.....................................-65°C to +150°C Maximum Junction Temperature (TJ)...........................+150°C ESD protection on all pins (HBM; MM) 2 kV; 200V DC ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, VDD = +3.5V to +12V, VSS = GND, TA = +25°C, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2 and RL = 10 kto VL. (Refer to Figure 1-1). Parameters Sym Min Typ Max Units Conditions Input Offset Input Offset Voltage Input Offset Drift with Temperature Power Supply Rejection Ratio VOS -4 ±1 4 VOS/TA — ±2.5 — PSRR 82 105 — IB — 10 — pA — 400 — pA TA = +85°C TA = +125°C mV µV/°C TA = -40°C to +125°C dB Input Bias Current and Impedance Input Bias Current — 9 25 nA Input Offset Current IOS — ±1 — pA Common Mode Input Impedance ZCM — 1013||6 — ||pF ZDIFF — 1013||6 — ||pF Common Mode Input Voltage Range VCMR VSS – 0.3 — VDD – 2.5 V Common Mode Rejection Ratio CMRR 76 96 — dB VCM = -0.3V to 1.0V, VDD = 3.5V 80 99 — dB VCM = -0.3V to 2.5V, VDD = 5V 80 103 — dB VCM = -0.3V to 9.5V, VDD = 12V 100 120 — dB 0.2V < VOUT <(VDD – 0.2V) Differential Input Impedance Common Mode Open-Loop Gain DC Open-Loop Gain (Large Signal) 2012 Microchip Technology Inc. AOL DS22325B-page 3 MCP6H71/2/4 DC ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Unless otherwise indicated, VDD = +3.5V to +12V, VSS = GND, TA = +25°C, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2 and RL = 10 kto VL. (Refer to Figure 1-1). Parameters Sym Min Typ Max Units Conditions VOH 3.490 3.495 — V VDD = 3.5V 0.5V input overdrive 4.985 4.993 — V VDD = 5V 0.5V input overdrive 11.970 11.980 — V VDD = 12V 0.5V input overdrive — 0.005 0.010 V VDD = 3.5V 0.5 V input overdrive — 0.007 0.015 V VDD = 5V 0.5 V input overdrive — 0.020 0.030 V VDD = 12V 0.5 V input overdrive — ±32 — mA VDD = 3.5V — ±50 — mA VDD = 5V — ±53 — mA VDD = 12V Output High-Level Output Voltage Low-Level Output Voltage Output Short-Circuit Current VOL ISC Power Supply Supply Voltage Quiescent Current per Amplifier VDD IQ 3.5 — 12 V Single-Supply operation ±1.75 — ±6 V Dual-Supply operation — 480 600 µA IO = 0, VCM = VDD/4 AC ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +3.5V to +12V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. (Refer to Figure 1-1). Parameters Sym Min Typ Max Units Conditions AC Response Gain Bandwidth Product GBWP — 2.7 — MHz Phase Margin PM — 57 — °C Slew Rate SR — 2 — V/µs G = +1V/V Noise Input Noise Voltage Eni — 11 — µVp-p f = 0.1 Hz to 10 Hz Input Noise Voltage Density Eni — 28 — nV/Hz f = 1 kHz — 16 — nV/Hz f = 10 kHz Input Noise Current Density ini — 1.9 — fA/Hz f = 1 kHz DS22325B-page 4 2012 Microchip Technology Inc. MCP6H71/2/4 TEMPERATURE SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, VDD = +3.5V to +12V and VSS = GND. Parameters Sym Min Typ Max Units Operating Temperature Range TA -40 — +125 °C Storage Temperature Range TA -65 — +150 °C Thermal Resistance, 8L-SOIC JA — 149.5 — °C/W Thermal Resistance, 8L-2x3 TDFN JA — 52.5 — °C/W Thermal Resistance, 14L-SOIC JA — 95.3 — °C/W Thermal Resistance, 14L-TSSOP JA — 100 — °C/W Conditions Temperature Ranges Note 1 Thermal Package Resistances Note 1: The internal junction temperature (TJ) must not exceed the absolute maximum specification of +150°C. 1.2 Test Circuits The circuit used for most DC and AC tests is shown in Figure 1-1. This circuit can independently set VCM and VOUT (refer to Equation 1-1). Note that VCM is not the circuit’s common mode voltage ((VP + VM)/2), and that VOST includes VOS plus the effects (on the input offset error, VOST) of temperature, CMRR, PSRR and AOL. CF 6.8 pF RG 100 k VP G DM = RF R G CB1 100 nF MCP6H7X VCM = VP + V DD 2 2 VDD/2 CB2 1 µF VIN– VOST = V IN– – V IN+ V OUT = VDD 2 + VP – V M + V OST 1 + G DM Where: GDM = Differential Mode Gain (V/V) VCM = Op Amp’s Common Mode Input Voltage (V) 2012 Microchip Technology Inc. VDD VIN+ EQUATION 1-1: VOST = Op Amp’s Total Input Offset Voltage RF 100 k (mV) VM RG 100 k RL 10 k RF 100 k CF 6.8 pF VOUT CL 60 pF VL FIGURE 1-1: AC and DC Test Circuit for Most Specifications. DS22325B-page 5 MCP6H71/2/4 NOTES: DS22325B-page 6 2012 Microchip Technology Inc. MCP6H71/2/4 2.0 TYPICAL PERFORMANCE CURVES Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5V to +12V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. 14% 800 Samples Inputt Offset Voltage (μV) ntage of Occurances Percen 16% 12% 10% 8% 6% 4% 2% 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 0% Input Offset Voltage (mV) FIGURE 2-1: Input Offset Voltage. FIGURE 2-4: Input Offset Voltage vs. Common Mode Input Voltage. 45% Inputt Offset Voltage (μV) Percentage of Occurances 50% 800 Samples TA = - 40°C to +125°C 40% 1000 800 TA = +125°C 600 TA = +85°C TA = +25°C 400 TA = -40°C 200 0 -200 -400 VDD = 5V -600 Representative Part -800 -1000 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Common Mode Input Voltage (V) 35% 30% 25% 20% 15% 10% 5% -24 -21 -18 -15 -12 -9 -6 -3 0 3 6 9 12 15 18 21 24 0% 1000 800 600 400 200 0 -200 -400 -600 -800 -1000 -0.5 TA = +125°C TA = +85°C TA = +25°C TA = -40°C VDD = 12V Representative Part 1.5 3.5 5.5 7.5 9.5 Common Mode Input Voltage (V) Input Offset Voltage Drift (μV/°C) 1000 800 600 400 200 0 -200 -400 -600 -800 -1000 -0.5 Input Offset Voltage Drift. TA = +125°C TA = +85°C TA = +25°C TA = -40°C VDD = 3.5V Representative Part 0.0 0.5 1.0 1.5 2.0 Common Mode Input Voltage (V) FIGURE 2-3: Input Offset Voltage vs. Common Mode Input Voltage. 2012 Microchip Technology Inc. FIGURE 2-5: Input Offset Voltage vs. Common Mode Input Voltage. Inputt Offset Voltage (μV) Inputt Offset Voltage (μV) FIGURE 2-2: 2.5 11.5 1000 800 600 400 200 0 -200 -400 -600 -800 -1000 Representative Part VDD = 12V VDD = 5V VDD = 3.5V 0 2 FIGURE 2-6: Output Voltage. 4 6 8 10 Output Voltage (V) 12 14 Input Offset Voltage vs. DS22325B-page 7 MCP6H71/2/4 Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5V to +12V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. Representative Part 100 0 CM MRR, PSRR (dB) -100 -200 -300 TA = +125°C 125 C TA = +85°C TA = +25°C TA = -40°C -400 -500 -600 0 2 4 6 8 Power Supply Voltage (V) 10 PSRR+ PSRR- 100 100 1000 10000 1k 10k Frequency (Hz) FIGURE 2-10: Frequency. 1,000 100000 100k 1000000 1M CMRR, PSRR vs. 130 PSRR CMRR, C PSRR (dB) 120 100 10 110 100 90 80 CMRR @ VDD = 12V @ VDD = 5V @ VDD = 3.5V 3 5V 70 60 1 50 1.E+0 1 1.E+1 10 1.E+2 100 1.E+3 1k 1.E+4 10k 1.E+5 100k 1.E+6 1M -50 -25 Frequency (Hz) FIGURE 2-8: vs. Frequency. Input Noise Voltage Density 0 25 50 75 Ambient Temperature (°C) FIGURE 2-11: Temperature. 100 125 CMRR, PSRR vs. Ambient 10000 10n FIGURE 2-9: Input Noise Voltage Density vs. Common Mode Input Voltage. DS22325B-page 8 0.1 0.1p Ambient Temperature (°C) 125 11 115 1 3 5 7 9 Common Mode Input Voltage (V) 105 -1 Input Offset Current 95 8 1 1p 85 f = 10 kHz VDD = 12 V 10 10 10p 75 12 65 14 Input Bias Current 100 100p 55 16 VDD = 12 V 1000 1n 35 18 25 Input Bias and Offset Currents (A) 20 Input Noise N Voltage Density (nV/Hz) Representative Part CMRR 10 10 12 FIGURE 2-7: Input Offset Voltage vs. Power Supply Voltage. Input Noise N Voltage Density (nV/Hz) 120 110 100 90 80 70 60 50 40 30 20 45 Input O Offset Voltage (uV) 200 FIGURE 2-12: Input Bias, Offset Currents vs. Ambient Temperature. 2012 Microchip Technology Inc. MCP6H71/2/4 Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5V to +12V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. 120 10000 10n Ope en-Loop Gain (dB) Inpu ut Bias Current (A) TA = +125°C 1000 1n 100 100p TA = +85°C 10 10p VDD = 12 V 1p 1 2 4 6 8 10 Common Mode Input Voltage (V) -30 80 -60 Open-Loop Phase 60 -90 40 -120 20 -150 150 0 -180 1.0E+00 1 12 FIGURE 2-13: Input Bias Current vs. Common Mode Input Voltage. 1.0E+01 1.0E+02 1.0E+03 1.0E+05 10 100 1k 1.0E+04 10k 100k Frequency (Hz) FIGURE 2-16: Frequency. -210 1.0E+07 1M 10M 1.0E+06 Open-Loop Gain, Phase vs. 160 DC-Open Loop Gain (dB) 700 Qu uiescent Current (uA/Amplifier) 100 -20 0 600 VDD = 12V VDD = 5V VDD = 3.5V 500 400 300 150 140 130 120 110 100 VSS + 0.2V < VOUT < VDD - 0.2V 90 80 200 -50 -25 0 25 50 75 100 Ambient Temperature (°C) 3 125 FIGURE 2-14: Quiescent Current vs. Ambient Temperature. 700 140 600 130 500 400 TA = +125°C TA = +85°C TA = +25°C TA = -40°C 40°C 300 200 5 7 9 11 Power Supply Voltage (V) 13 FIGURE 2-17: DC Open-Loop Gain vs. Power Supply Voltage. Ch hannel to Channel Separation S (dB) Quiescent Q Current (uA/Amplifier) 0 Open-Loop Gain Ope en-Loop Phase (°) 100000 100n 100 120 110 100 90 Input Referred 80 0 70 0 2 4 6 8 10 Power Supply Voltage (V) FIGURE 2-15: Quiescent Current vs. Power Supply Voltage. 2012 Microchip Technology Inc. 12 100 100 1k 1000 10k 100k 10000 100000 Frequency (Hz) 1M 100000 FIGURE 2-18: DC Open-Loop Gain vs. Output Voltage Headroom. DS22325B-page 9 MCP6H71/2/4 Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5V to +12V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. Output Short Circuit Current (mA) 140 Ch hannel to Channel Separation S (dB) 130 120 110 100 90 Input Referred 80 70 1k 1000 10k 100k 10000 100000 Frequency (Hz) 180 4.0 160 Gain Bandwidth Product 140 3.0 120 2.5 100 2.0 80 1.5 60 1.0 40 Phase Margin 20 VDD = 3.5V 0.0 160 140 120 2.5 100 2.0 80 1.5 60 0.5 VDD = 12V Phase Margin 0.0 40 20 0 -50 -25 0 25 50 75 100 125 Ambient Temperature (°C) FIGURE 2-21: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature. DS22325B-page 10 2 4 6 8 10 12 VDD = 12V 10 VDD = 5V VDD = 3.5V 1 FIGURE 2-23: Frequency. Output Voltage V Headroom (mV) 180 4.0 1.0 10 0 1000 1k Phase P Margin (°) Gain n Bandwidth Product (MHz) 4.5 3.0 10 0.1 FIGURE 2-20: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature. Gain Bandwidth Product 20 FIGURE 2-22: Output Short Circuit Current vs. Power Supply Voltage. -25 0 25 50 75 100 125 Ambient Temperature (°C) 3.5 TA = +125°C TA = +85°C TA = +25°C TA = -40 C 40°C 30 0 0 -50 40 100 Ph hase Margin (°) Gain Bandwidth B Product (MHz) 4.5 0.5 50 Power Supply Voltage (V) FIGURE 2-19: Channel-to-Channel Separation vs. Frequency (MCP6H72/4 only). 3.5 60 1M 100000 Outputt Voltage Swing (VP-P) 100 100 70 10000 10k 100000 100k Frequency (Hz) 1000000 1M 10000000 10M Output Voltage Swing vs. 1000 VDD = 12V 100 10 1 0.1 0.01 VOL - VSS VDD - VOH 0.1 1 10 Output Current (mA) 100 FIGURE 2-24: Output Voltage Headroom vs. Output Current. 2012 Microchip Technology Inc. MCP6H71/2/4 Output Voltage V Headroom (mV) Output Voltage V Headroom (mV) Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5V to +12V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. 1000 VDD = 5V 100 VOL - VSS 10 VDD - VOH 1 0.1 0.01 0.1 1 10 Output Current (mA) VDD = 3.5V 100 VOL - VSS VDD - VOH 1 0.10 1.00 Output Current (mA) VOL - VSS 5 4 VDD - VOH 3 2 VDD = 5V 1 0 -25 0 25 50 75 Ambient Temperature (°C) 100 125 FIGURE 2-28: Output Voltage Headroom vs. Ambient Temperature. 10.00 FIGURE 2-26: Output Voltage Headroom vs. Output Current. 8 7 VDD - VOH 6 5 4 VOL - VSS 3 2 VDD = 3.5V 1 0 -50 -25 0 25 50 75 Ambient Temperature (°C) 100 125 FIGURE 2-29: Output Voltage Headroom vs. Ambient Temperature. 2.5 12 10 2.0 Slew S Rate (V/μs) Output Voltage V Headroom (mV) 6 -50 Output Voltage V Headroom (mV) Output Voltage V Headroom (mV) 1000 0.1 0.01 7 100 FIGURE 2-25: Output Voltage Headroom vs. Output Current. 10 8 VOL - VSS 8 6 VDD - VOH 4 2 1.5 Falling Edge, VDD = 12V Rising Edge, VDD = 12V 1.0 0.5 VDD = 12V 0 0.0 -50 -25 0 25 50 75 Ambient Temperature (°C) 100 125 FIGURE 2-27: Output Voltage Headroom vs. Ambient Temperature. 2012 Microchip Technology Inc. -50 -25 FIGURE 2-30: Temperature. 0 25 50 75 Ambient Temperature (°C) 100 125 Slew Rate vs. Ambient DS22325B-page 11 MCP6H71/2/4 Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5 V to +12 V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. 9 3.0 8 Outtput Voltage (V) Slew S Rate (V/μs) 2.5 Falling Edge, VDD = 5V Rising Edge, VDD = 5V 2.0 1.5 1.0 Falling Edge, VDD = 3.5V Ri i Edge, Rising Ed VDD = 3.5V 3 5V 0.5 7 6 5 4 3 VDD = 12 V G = +1 V/V 2 1 0.0 -50 -25 0 25 50 75 Ambient Temperature (°C) FIGURE 2-31: Temperature. 100 0 125 Slew Rate vs. Ambient Time (5 μs/div) FIGURE 2-34: Pulse Response. Large Signal Non-Inverting 9 VDD = 12 V G = +1 V/V Outp put Voltage (V) Outputt Voltage (20 mv/div) 10 8 VDD = 12 V G = -1 V/V 7 6 5 4 3 2 1 0 Time (5 μs/div) Time (0.4 μs/div) FIGURE 2-32: Pulse Response. Small Signal Non-Inverting FIGURE 2-35: Response. Large Signal Inverting Pulse VDD = 12 V G = -1 V/V Time (0.4 μs/div) FIGURE 2-33: Response. DS22325B-page 12 Small Signal Inverting Pulse 11 Input, Outp put Voltages (V) Outputt Voltage (20 mv/div) 13 VOUT 9 7 VIN 5 3 1 VDD = 12 V G = +2 V/V -1 Time (0.1 ms/div) FIGURE 2-36: The MCP6H71/2/4 Shows No Phase Reversal. 2012 Microchip Technology Inc. MCP6H71/2/4 Note: Unless otherwise indicated, TA = +25°C, VDD = +3.5 V to +12 V, VSS = GND, VCM = VDD/2 - 1.4V, VOUT VDD/2, VL = VDD/2, RL = 10 kto VL and CL = 60 pF. 1m 1000 1.00E-03 100μ 1.00E-05 1μ 100 1.00E-06 -IIN (A) Clo osed Loop Output Impedance I (:) 1.00E-04 10μ GN: 101 V/V 11 V/V 1 V/V 10 100n 1.00E-07 10n 1.00E-08 1n 1.00E-09 TA = +125°C TA = +85°C TA = +25°C TA = -40°C 100 100p 1.00E-10 10p 1.00E-11 1p 1.00E-12 1 1.0E+02 100 1.0E+03 1k 1.0E+04 1.0E+05 10k 100k Frequency (Hz) 1.0E+06 1M FIGURE 2-37: Closed-Loop Output Impedance vs. Frequency. 2012 Microchip Technology Inc. 1.0E+07 10M -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 VIN (V) FIGURE 2-38: Measured Input Current vs. Input Voltage (below VSS). DS22325B-page 13 MCP6H71/2/4 NOTES: DS22325B-page 14 2012 Microchip Technology Inc. MCP6H71/2/4 3.0 PIN DESCRIPTIONS Descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE MCP6H71 MCP6H72 MCP6H74 SOIC 2x3 TDFN SOIC 2x3 TDFN SOIC, TSSOP Symbol Description 6 6 1 1 1 VOUT, VOUTA Analog Output (op amp A) 2 2 2 2 2 VIN–, VINA– Inverting Input (op amp A) 3 3 3 3 3 VIN+, VINA+ Non-inverting Input (op amp A) 7 7 8 8 4 VDD — — 5 5 5 VINB+ Non-inverting Input (op amp B) — — 6 6 6 VINB– Inverting Input (op amp B) Positive Power Supply — — 7 7 7 VOUTB Analog Output (op amp B) — — — — 8 VOUTC Analog Output (op amp C) — — — — 9 VINC– Inverting Input (op amp C) — — — — 10 VINC+ Non-Inverting Input (op amp C) Negative Power Supply 4 4 4 4 11 VSS — — — — 12 VIND+ Non-Inverting Input (op amp D) — — — — 13 VIND– Inverting Input (op amp D) — — — — 14 VOUTD Analog Output (op amp D) 1, 5, 8 1, 5, 8 — — — NC No Internal Connection — 9 — 9 — EP Exposed Thermal Pad (EP); must be connected to VSS. 3.1 Analog Outputs The output pins are low-impedance voltage sources. 3.2 Analog Inputs The non-inverting and inverting inputs are high-impedance CMOS inputs with low bias currents. 3.3 Power Supply Pins The positive power supply (VDD) is 3.5V to 12V higher than the negative power supply (VSS). For normal operation, the other pins are at voltages between VSS and VDD. Typically, these parts can be used in single-supply operation or dual-supply operation. Also, VDD will need bypass capacitors. 3.4 Exposed Thermal Pad (EP) There is an internal electrical connection between the Exposed Thermal Pad (EP) and the VSS pin; they must be connected to the same potential on the Printed Circuit Board (PCB). This pad can be connected to a PCB ground plane to provide a larger heat sink. This improves the package thermal resistance (JA). 2012 Microchip Technology Inc. DS22325B-page 15 MCP6H71/2/4 NOTES: DS22325B-page 16 2012 Microchip Technology Inc. MCP6H71/2/4 4.0 APPLICATION INFORMATION The MCP6H71/2/4 family of op amps are manufactured using Microchip’s state-of-the-art CMOS process and are specifically designed for low-power, high-precision applications. 4.1 VDD D1 D2 V1 VOUT Inputs 4.1.1 MCP6H7X V2 PHASE REVERSAL The MCP6H71/2/4 op amps are designed to prevent phase reversal when the input pins exceed the supply voltages. Figure 2-36 shows the input voltage exceeding the supply voltage without any phase reversal. 4.1.2 INPUT VOLTAGE LIMITS In order to prevent damage and/or improper operation of these amplifiers, the circuit must limit the voltages at the input pins (see Section 1.1 “Absolute Maximum Ratings †”). The ESD protection on the inputs can be depicted as shown in Figure 4-1. This structure was chosen to protect the input transistors against many (but not all) overvoltage conditions, and to minimize the input bias current (IB). FIGURE 4-2: Inputs. Protecting the Analog A significant amount of current can flow out of the inputs when the common mode voltage (VCM) is below ground (VSS), as shown in Figure 2-38. 4.1.3 INPUT CURRENT LIMITS In order to prevent damage and/or improper operation of these amplifiers, the circuit must limit the currents into the input pins (see Section 1.1 “Absolute Maximum Ratings †”). Figure 4-3 shows one approach to protecting these inputs. The resistors R1 and R2 limit the possible currents in or out of the input pins (and the ESD diodes, D1 and D2). The diode currents will go through either VDD or VSS. VDD VDD Bond Pad D1 VIN+ Bond Pad Input Stage Bond VIN– Pad D2 V1 R1 MCP6H7X VOUT V2 R2 VSS Bond Pad FIGURE 4-1: Structures. R3 VSS – (minimum expected V1) 2 mA VSS – (minimum expected V2) R2 > 2 mA Simplified Analog Input ESD The input ESD diodes clamp the inputs when they try to go more than one diode drop below VSS. They also clamp any voltages that go well above VDD. Their breakdown voltage is high enough to allow normal operation, but not low enough to protect against slow overvoltage (beyond VDD) events. Very fast ESD events (that meet the specification) are limited so that damage does not occur. In some applications, it may be necessary to prevent excessive voltages from reaching the op amp inputs; Figure 4-2 shows one approach to protecting these inputs. R1 > FIGURE 4-3: Inputs. 4.1.4 Protecting the Analog NORMAL OPERATION The inputs of the MCP6H71/2/4 op amps connect to a differential PMOS input stage. It operates at a low common mode input voltage (VCM), including ground. With this topology, the device operates with a VCM up to VDD – 2.5V and 0.3V below VSS (refer to Figures 2-3 through 2-5). The input offset voltage is measured at VCM = VSS – 0.3V and VDD – 2.5V to ensure proper operation. For a unity gain buffer, VIN must be maintained below VDD – 2.5V for correct operation. 2012 Microchip Technology Inc. DS22325B-page 17 MCP6H71/2/4 4.2 Rail-to-Rail Output 1000 4.3 Capacitive Loads Driving large capacitive loads can cause stability problems for voltage feedback op amps. As the load capacitance increases, the feedback loop’s phase margin decreases, and the closed-loop bandwidth is reduced. This produces gain peaking in the frequency response, with overshoot and ringing in the step response. While a unity-gain buffer (G = +1V/V) is the most sensitive to capacitive loads, all gains show the same general behavior. When driving large capacitive loads with these op amps (e.g., > 100 pF when G = + 1V/V), a small series resistor at the output (RISO in Figure 4-4) improves the feedback loop’s phase margin (stability) by making the output load resistive at higher frequencies. The bandwidth will generally be lower than the bandwidth with no capacitance load. VDD = 12 V RL = 10 k Reco ommended R ISO (:) The output voltage range of the MCP6H71/2/4 op amps is 0.020V (typical) and 11.980V (typical) when RL = 10 k is connected to VDD/2 and VDD = 12V. Refer to Figures 2-24 through 2-29 for more information. 100 1 10p 100p 1n 10n 0.1μ 1.E-06 1μ 1.E-11 1.E-10 1.E-09 1.E-08 1.E-07 Normalized Load Capacitance; CL/GN (F) FIGURE 4-5: Recommended RISO Values for Capacitive Loads. 4.4 Supply Bypass With this family of operational amplifiers, the power supply pin (VDD for single supply) should have a local bypass capacitor (i.e., 0.01 µF to 0.1 µF) within 2 mm for good high-frequency performance. It can use a bulk capacitor (i.e., 1 µF or larger) within 100 mm to provide large, slow currents. This bulk capacitor can be shared with other analog parts. 4.5 – VIN MCP6H7X + RISO VOUT CL FIGURE 4-4: Output Resistor, RISO Stabilizes Large Capacitive Loads. Figure 4-5 gives the recommended RISO values for different capacitive loads and gains. The x-axis is the normalized load capacitance (CL/GN), where GN is the circuit’s noise gain. For non-inverting gains, GN and the Signal Gain are equal. For inverting gains, GN is 1 + |Signal Gain| (e.g., -1V/V gives GN = +2V/V). After selecting RISO for your circuit, double check the resulting frequency response peaking and step response overshoot. Modify RISO’s value until the response is reasonable. Bench evaluation and simulations with the MCP6H71/2/4 SPICE macro model are helpful. GN: 1 V/V 2 V/V t 5 V/V 10 Unused Op Amps An unused op amp in a quad package (MCP6H74) should be configured as shown in Figure 4-6. These circuits prevent the output from toggling and causing crosstalk. Circuit A sets the op amp at its minimum noise gain. The resistor divider produces any desired reference voltage within the output voltage range of the op amp, and the op amp buffers that reference voltage. Circuit B uses the minimum number of components and operates as a comparator, but it may draw more current. ¼ MCP6H74 (A) ¼ MCP6H74 (B) VDD R1 VDD VDD R2 VREF R2 V REF = VDD -------------------R1 + R2 FIGURE 4-6: DS22325B-page 18 Unused Op Amps. 2012 Microchip Technology Inc. MCP6H71/2/4 4.6 PCB Surface Leakage 4.7 In applications where low-input bias current is critical, PCB surface leakage effects need to be considered. Surface leakage is caused by humidity, dust or other contamination on the board. Under low-humidity conditions, a typical resistance between nearby traces is 1012. A 15V difference would cause 15 pA of current to flow, which is greater than the MCP6H71/2/4 family’s bias current at +25°C (10 pA, typical). The easiest way to reduce surface leakage is to use a guard ring around sensitive pins (or traces). The guard ring is biased at the same voltage as the sensitive pin. An example of this type of layout is shown in Figure 4-7. Guard Ring VIN– VIN+ VSS 4.7.1 Application Circuits DIFFERENCE AMPLIFIER The MCP6H71/2/4 op amps can be used in current sensing applications. Figure 4-8 shows a resistor (RSEN) that converts the sensor current (ISEN) to voltage, as well as a difference amplifier that amplifies the voltage across the resistor while rejecting common mode noise. R1 and R2 must be well matched to obtain an acceptable Common Mode Rejection Ratio (CMRR). Moreover, RSEN should be much smaller than R1 and R2 in order to minimize the resistive loading of the source. To ensure proper operation, the op amp common mode input voltage must be kept within the allowed range. The reference voltage (VREF) is supplied by a low-impedance source. In single-supply applications, VREF is typically VDD/2. . R1 R2 VREF VDD FIGURE 4-7: for Inverting Gain. 1. 2. Example Guard Ring Layout Non-Inverting Gain and Unity-Gain Buffer: a.Connect the non-inverting pin (VIN+) to the input with a wire that does not touch the PCB surface. b.Connect the guard ring to the inverting input pin (VIN–). This biases the guard ring to the Common mode input voltage. Inverting Gain and Transimpedance Gain Amplifiers (convert current to voltage, such as photo detectors): a.Connect the guard ring to the non-inverting input pin (VIN+). This biases the guard ring to the same reference voltage as the op amp (e.g., VDD/2 or ground). b.Connect the inverting pin (VIN–) to the input with a wire that does not touch the PCB surface. 2012 Microchip Technology Inc. RSEN VOUT ISEN MCP6H71 R1 R2 RSEN << R1, R2 R2 VOUT = V1 – V 2 ------ + V REF R 1 FIGURE 4-8: High-Side Current Sensing Using Difference Amplifier. DS22325B-page 19 MCP6H71/2/4 4.7.2 ACTIVE FULL-WAVE RECTIFIER The MCP6H71/2/4 family of op amps can be used in applications such as an active full-wave rectifier, as shown in Figure 4-9. The amplifier and feedback loops in this active voltage rectifier circuit eliminate the diode drop problem that exists in a passive voltage rectifier. This circuit behaves as a voltage follower (the output follows the input) as long as the input signal is more positive than the reference voltage. If the input signal is more negative than the reference voltage, however, the circuit behaves as an inverting amplifier with a Gain = -1V/V. Therefore, the output voltage will always be above the reference voltage, regardless of the input signal. The reference voltage (VREF) is supplied by a low-impedance source. In single-supply applications, VREF is typically VDD/2. 4.7.3 TRIANGLE WAVES GENERATOR The MCP6H71/2/4 family of op amps can be used in function generation applications, such as a triangle waves generator, as shown in Figure 4-10. The triangle waves generator consists of an integrator and one comparator, connected in a positive feedback loop. This approach is based on the simple fact that integration of a constant voltage results in a linear ramp. The op amp is configured as an integrator using R1 and C1 to provide the triangular output, and the Schmitt triggers are designed with R2 and R3 to change the state corresponding to the desired peak voltages of the triangular wave output. The reference voltage (VREF) is supplied by a low-impedance source. In single-supply applications, VREF is typically VDD/2. R VIN R2 C1 R R3 – R R/2 R Op Amp B VOUT + ½ MCP6H72 VREF + - R1 ½ MCP6H72 VREF D1 T1 T2 D2 VOUT ½ MCP6H72 Vo+ Vo- – VREF + Op Amp A + ½ -Vo- R3 MCP6H72 -Vo+ R3 Input Output -Vo+ R 1C 1 VREF [V/s] time DS22325B-page 20 R2 VREF FIGURE 4-10: FIGURE 4-9: -Vo[V/s] R 1C 1 R2 Triangle Waves Generator. time Active Full-Wave Rectifier. 2012 Microchip Technology Inc. MCP6H71/2/4 5.0 DESIGN AIDS Microchip Technology Inc. provides the basic design tools needed for the MCP6H71/2/4 family of op amps. 5.1 SPICE Macro Model The latest SPICE macro model for the MCP6H71/2/4 op amp is available on the Microchip web site at www.microchip.com. The model was written and tested in PSpice, owned by Orcad (Cadence®). For other simulators, translation may be required. The model covers a wide aspect of the op amp’s electrical specifications. Not only does the model cover voltage, current and resistance of the op amp, but it also covers the temperature and noise effects on the behavior of the op amp. The model has not been verified outside the specification range listed in the op amp data sheet. The model behaviors under these conditions cannot be guaranteed to match the actual op amp performance. Moreover, the model is intended to be an initial design tool. Bench testing is a very important part of any design and cannot be replaced with simulations. Also, simulation results using this macro model need to be validated by comparing them to the data sheet specifications and characteristic curves. 5.2 FilterLab® Software Microchip’s FilterLab software is an innovative software tool that simplifies analog active filter (using op amps) design. Available at no cost from the Microchip web site at www.microchip.com/filterlab, the FilterLab design tool provides full schematic diagrams of the filter circuit with component values. It also outputs the filter circuit in SPICE format, which can be used with the macro model to simulate actual filter performance. 5.3 MAPS (Microchip Advanced Part Selector) MAPS is a software tool that helps semiconductor professionals efficiently identify Microchip devices that fit a particular design requirement. Available at no cost on the Microchip web site at www.microchip.com/maps, MAPS is an overall selection tool for Microchip’s product portfolio that includes analog, memory, MCUs and DSCs. Using this tool, you can define a filter to sort features for a parametric search of devices and export side-by-side technical comparison reports. Helpful links are also provided for data sheets, purchases and sampling of Microchip parts. 2012 Microchip Technology Inc. 5.4 Analog Demonstration and Evaluation Boards Microchip offers a broad spectrum of Analog Demonstration and Evaluation Boards that are designed to help you achieve faster time to market. For a complete listing of these boards and their corresponding user’s guides and technical information, visit the Microchip web site: www.microchip.com/analogtools. Some boards that are especially useful include: • MCP6XXX Amplifier Evaluation Board 1 • MCP6XXX Amplifier Evaluation Board 2 • MCP6XXX Amplifier Evaluation Board 3 • MCP6XXX Amplifier Evaluation Board 4 • Active Filter Demo Board Kit • 5/6-Pin SOT-23 Evaluation Board, part number VSUPEV2 • 8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board, part number SOIC8EV 5.5 Application Notes The following Microchip analog design note and application notes are available on the Microchip web site at www.microchip.com/appnotes, and are recommended as supplemental reference resources. • ADN003: “Select the Right Operational Amplifier for your Filtering Circuits”, DS21821 • AN722: “Operational Amplifier Topologies and DC Specifications”, DS00722 • AN723: “Operational Amplifier AC Specifications and Applications”, DS00723 • AN884: “Driving Capacitive Loads With Op Amps”, DS00884 • AN990: “Analog Sensor Conditioning Circuits – An Overview”, DS00990 • AN1177: “Op Amp Precision Design: DC Errors”, DS01177 • AN1228: “Op Amp Precision Design: Random Noise”, DS01228 • AN1297: “Microchip’s Op Amp SPICE Macro Models”’ DS01297 • AN1332: “Current Sensing Circuit Concepts and Fundamentals”’ DS01332 These application notes and others are listed in: • “Signal Chain Design Guide”, DS21825 DS22325B-page 21 MCP6H71/2/4 NOTES: DS22325B-page 22 2012 Microchip Technology Inc. MCP6H71/2/4 6.0 PACKAGING INFORMATION 6.1 Package Marking Information 8-Lead SOIC (150 mil.) (MCP6H71, MCP6H72) Example: MCP6H71E 3 SN e^^1232 256 Example: 8-Lead 2x3 TDFN (MCP6H71, MCP6H72) Part Number Code MCP6H71T-E/MNY ABC MCP6H72T-E/MNY ABD 14-Lead SOIC (150 mil) (MCP6H74) ABC 232 25 Example: MCP6H74 E/SL 1232256 14-Lead TSSOP (MCP6H74) XXXXXXXX YYWW NNN Legend: XX...X Y YY WW NNN e3 * Note: Example: 6H74E/ST 1232 256 Customer-specific information Year code (last digit of calendar year) Year code (last 2 digits of calendar year) Week code (week of January 1 is week ‘01’) Alphanumeric traceability code Pb-free JEDEC designator for Matte Tin (Sn) This package is Pb-free. The Pb-free JEDEC designator ( e3 ) can be found on the outer packaging for this package. In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 2012 Microchip Technology Inc. DS22325B-page 23 MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22325B-page 24 2012 Microchip Technology Inc. MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2012 Microchip Technology Inc. DS22325B-page 25 MCP6H71/2/4 & !"#$% ! "# $% &"' "" ($ ) % *++&&&! !+ $ DS22325B-page 26 2012 Microchip Technology Inc. MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2012 Microchip Technology Inc. DS22325B-page 27 MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22325B-page 28 2012 Microchip Technology Inc. MCP6H71/2/4 & ' ( )*+,--./ !"0'(% ! "# $% &"' "" ($ ) % *++&&&! !+ $ 2012 Microchip Technology Inc. DS22325B-page 29 MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22325B-page 30 2012 Microchip Technology Inc. MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2012 Microchip Technology Inc. DS22325B-page 31 MCP6H71/2/4 & ! "# $% &"' "" ($ ) % *++&&&! !+ $ DS22325B-page 32 2012 Microchip Technology Inc. MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2012 Microchip Technology Inc. DS22325B-page 33 MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22325B-page 34 2012 Microchip Technology Inc. MCP6H71/2/4 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2012 Microchip Technology Inc. DS22325B-page 35 MCP6H71/2/4 NOTES: DS22325B-page 36 2012 Microchip Technology Inc. MCP6H71/2/4 APPENDIX A: REVISION HISTORY Revision B (December 2012) The following is the list of modifications: • Updated the VDD – VSS value in the Absolute Maximum Ratings † section. Revision A (October 2012) • Original Release of this Document. 2012 Microchip Technology Inc. DS22325B-page 37 MCP6H71/2/4 NOTES: DS22325B-page 38 2012 Microchip Technology Inc. MCP6H71/2/4 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. PART NO. -X /XX Device Temperature Range Package Device: MCP6H71: MCP6H71T: MCP6H72: MCP6H72T: MCP6H74: MCP6H74T: Single Op Amp Single Op Amp (Tape and Reel) (SOIC and 2x3 TDFN) Dual Op Amp Dual Op Amp (Tape and Reel) (SOIC and 2x3 TDFN) Quad Op Amp Quad Op Amp (Tape and Reel) (SOIC and TSSOP) Temperature Range: E = -40°C to +125°C (Extended) Package: MNY* = Plastic Dual Flat, No Lead, (2x3 TDFN), 8-lead (TDFN) SN = Lead Plastic Small Outline (150 mil Body), 8-lead (SOIC) SL = Plastic Small Outline, (150 mil Body), 14-lead (SOIC) ST = Plastic Thin Shrink Small Outline (150 mil Body), 14-lead (TSSOP) Examples: a) MCP6H71-E/SN: b) MCP6H71T-E/SN: c) MCP6H71T-E/MNY: d) MCP6H72-E/SN: e) MCP6H72T-E/SN: f) MCP6H72T-E/MNY: g) MCP6H74-E/SL: h) MCP6H74T-E/SL: i) MCP6H74-E/ST: j) MCP6H74T-E/ST: Extended Temp., 8LD SOIC pkg. Tape and Reel, Extended Temp., 8LD SOIC pkg. Tape and Reel, Extended Temp., 8LD 2x3 TDFN pkg. Extended Temp., 8LD SOIC pkg. Tape and Reel, Extended Temp., 8LD SOIC pkg. Tape and Reel, Extended Temp., 8LD 2x3 TDFN pkg. Extended Temp., 14LD SOIC pkg. Tape and Reel, Extended Temp., 14LD SOIC pkg. Extended Temp., 14LD TSSOP pkg. Tape and Reel, Extended Temp., 14LD TSSOP pkg. * Y = Nickel palladium gold manufacturing designator. Only available on the TDFN package. 2012 Microchip Technology Inc. DS22325B-page 39 MCP6H71/2/4 NOTES: DS22325B-page 40 2012 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, PIC32 logo, rfPIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor, MTP, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. Analog-for-the-Digital Age, Application Maestro, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial Programming, ICSP, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, mTouch, Omniscient Code Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit, PICtail, REAL ICE, rfLAB, Select Mode, SQI, Serial Quad I/O, Total Endurance, TSHARC, UniWinDriver, WiperLock, ZENA and Z-Scale are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. GestIC and ULPP are registered trademarks of Microchip Technology Germany II GmbH & Co. & KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2012, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. ISBN: 978-1-62076-756-6 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == 2012 Microchip Technology Inc. Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 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