TC1030 Linear Building Block – Quad Low Power Op Amp with Shutdown Modes Features General Description • • • • The TC1030 is a quad CMOS operational amplifier designed for low power applications. It has a typical operating supply current of 20µA which is constant over the supply voltage range of 1.8V to 5.5V. Optimized for Single Supply Operation Small Package: 16-Pin QSOP Ultra Low Input Bias Current: Less than 100pA Low Quiescent Current, Operating: 20µA (Typ.), Shutdown Mode: 6µA (Typ.) • Rail-to-Rail Inputs and Outputs • Operates Down to 1.8V • Can Shut Down One, Two or Three Op Amps Applications • Power Management Circuits • Battery Operated Equipment • Consumer Products Each op amp has rail-to-rail inputs and output which allow operation at low supply voltages with large input and output signal swings. Two active low shutdown pins are provided. One pin disables op amp B while the other disables op amps C and D. Op amp A is always active. When disabled, the outputs of op amps B, C and D are in a high impedance state. Packaged in a 16-Pin QSOP, the TC1030 is ideal for battery operated applications. The TC1030 is packaged in a 16-Pin QSOP, making it ideal for battery operated applications. Device Selection Table Functional Block Diagram TC1030EQR 16-Pin QSOP -40°C to +85°C OUTA INA- TC1030 1 IND– A INA+ 1 16 OUTD INA- 2 15 IND- INA+ 3 14 IND+ VDD 4 13 VSS INB+ 5 12 INC+ INB- 6 11 INC- SHDNB TC1030EQR 7 8 2002 Microchip Technology Inc. 10 9 OUTC SHDNC/D VDD INB+ D + 4 12 5 INB- OUTB SHDNB – IND+ VSS INC+ + B 6 14 13 + OUTA 3 + 16-Pin QSOP OUTD 15 2 Package Type OUTB 16 C – Package – Part Number Temperature Range 11 7 10 8 9 INCOUTC SHDNC/D DS21341B-page 1 TC1030 1.0 ELECTRICAL CHARACTERISTICS *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. ABSOLUTE MAXIMUM RATINGS* Supply Voltage ......................................................6.0V Voltage on Any Pin .......... (V SS – 0.3V) to (VDD + 0.3V) Junction Temperature....................................... +150°C Operating Temperature Range............. -40°C to +85°C Storage Temperature Range .............. -55°C to +150°C TC1030 ELECTRICAL SPECIFICATIONS Electrical Characteristics: Typical values apply at 25°C and VDD = 3.0V; TA = -40° to +85°C, and VDD = 1.8V to 5.5V, unless otherwise specified. Symbol VDD Parameter Supply Voltage Min Typ Max Units 1.8 — 5.5 V Test Conditions Shutdown Inputs VIH Input High Threshold 80% VDD — — V VIL Input Low Threshold — — 20% VDD V ISI Shutdown Input Current, SHDNB or SHDNC/D — — ±100 nA IQ Supply Current, Operating — 20 32 µA All Outputs Open, SHDNB = VDD, SHDNC/D = VDD ISHDN Supply Current Shutdown Mode — 6 10 µA SHDNB = VSS, SHDNC/D = VSS ROUT(SD) Output Resistance in Shutdown 20 — — MΩ SHDNB = VSS, SHDNC/D = VSS COUT(SD) Out Capacitance in Shutdown — — 5 pF SHDNB = VSS, SHDNC/D = VSS TSEL Select Time (VOUT from SHDNB, SHDNC/D) = VIL — 15 — µsec RL = 10kΩ to V SS TDESEL Deselect Time (VOUT from SHDNB, SHDNC/D) = VIL — 20 — nsec RL = 10kΩ to V SS RL = 10kΩ, VDD = 5V Op Amps AVOL Large Signal Voltage Gain — 100 — V/mV GBWP Gain-Bandwidth Product — 90 — kHz VICMR Common Mode Input Voltage Range VOS Input Offset Voltage — VDD + 0.2 V ±100 ±0.3 ±500 ±1.5 µV mV -100 50 100 pA VOS(DRIFT) Input Offset Voltage Drift — ±4 — SR — 35 — IB Input Bias Current Slew Rate VSS – 0.2 VDD = 1.8V to 5.5V; VO = VDD to VSS VDD = 3V, VCM = 1.5V, TA = 25°C, TA = –40°C to 85°C TA = 25°C; VCM = VDD to VSS µV/°C VDD = 3V; VCM = 1.5V mV/µsec CL = 100pF; RL = 1 MΩ to GND, Gain = 1 VIN = VSS to VDD VOUT Output Signal Swing VSS + 0.05 — VDD – 0.05 V RL = 10kΩ CMRR Common Mode Rejection Ratio 70 — — dB TA = 25°C; VDD = 5V; VCM = VDD to VSS PSRR Power Supply Rejection Ratio 80 — — dB TA = 25°C; VCM = VSS; VDD = 1.8V to 5V DS21341B-page 2 2002 Microchip Technology Inc. TC1030 TC1030 ELECTRICAL SPECIFICATIONS Electrical Characteristics: Typical values apply at 25°C and VDD = 3.0V; TA = -40° to +85°C, and VDD = 1.8V to 5.5V, unless otherwise specified. Min Typ Max Units ISRC Symbol Output Source Current Parameter 3 — — mA VIN + = VDD, VIN- = VSS Output Shorted to VSS VDD = 1.8V; Gain = 1 ISINK DC Output Sink Current 4 — — mA VIN + = VSS, VIN- = VDD Output Shorted to VDD VDD = 1.8V; Gain = 1 En Input Noise Voltage — 10 — en Input Noise Voltage Density — 125 — 2002 Microchip Technology Inc. µVpp Test Conditions 0.1Hz to 10Hz nV/√HZ 1kHz DS21341B-page 3 TC1030 2.0 PIN DESCRIPTION The description of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Pin No. (16-Pin QSOP) Symbol 1 OUTA Description Op amp output. 2 INA- Op amp inverting input. 3 INA+ Op amp non-inverting input. 4 VDD Positive supply voltage. 5 INB+ Op amp non-inverting input. 6 INB- Op amp inverting input. 7 OUTB 8 SHDNB 9 SHDNC/D 10 OUTC 11 INC- 12 INC+ Op amp non-inverting input. 13 VSS Negative supply voltage. 14 IND+ Op amp non-inverting input. 15 IND- Op amp inverting input. 16 OUTD DS21341B-page 4 Op amp output. Shutdown op amp B. Shutdown op amps C and D. Op amp output. Op amp inverting input. Op amp output. 2002 Microchip Technology Inc. TC1030 3.0 DETAILED DESCRIPTION 4.0 TYPICAL APPLICATIONS The TC1030 is one of a series of very low power, linear building block products targeted at low voltage, single supply applications. The TC1030 minimum operating voltage is 1.8V, and maximum supply current is only 32µA (fully enabled). It combines four op amps in a single package. The TC1030 lends itself to a wide variety of applications, particularly in battery-powered systems. It typically finds application in power management, process supervisory and interface circuitry. Microchip’s op amps are internally compensated to be unity-gain stable and have a typical gain bandwidth product of 90kHz with typical slew rates of 35V/msec. The majority of spectral energy for human voices is found to be in a 2.7kHz frequency band from 300Hz to 3kHz. To properly recover a voice signal in applications such as radios, cellular phones and voice pagers a lowpower bandpass filter that is matched to the human voice spectrum can be implemented using Microchip’s CMOS op amps. Figure 4-1 shows a unity gain multipole Butterworth filter with ripple less than 0.15dB in the human voice band. The lower 3dB cut-off frequency is 70Hz (single order response) while the upper cut-off frequency is 3.5kHz (fourth order response). The amplifier's input range extends beyond both supplies by 200mV and the outputs will swing to within several millivolts of the supplies depending on the load current being driven. Two shutdown mode pins are incorporated for easy adaptation to system power management schemes. In this state, the shutdown pins allow the user to power on one, two, three, or all four op amps (see Table 4-1). Pin SHDNB can be used to disable op amp B and pin SHDNC/D to disable op amps C and D. Op amp A is always powered on regardless of the states of the shutdown pins. When both shutdown pins are low, the total quiescent current of the TC1030 is only 6µA, typical. Input offset voltage is 500µV max at 25°C with an input bias current of less than 100pA. This makes the TC1030 extremely suitable for precision, low power applications. 4.1 4.2 Voice Band Receive Filter Supervisory Audio Tone (SAT) Filter for Cellular Supervisory Audio Tones (SAT) provide a reliable transmission path between cellular subscriber units and base stations. The SAT tone functions much like the current/voltage used in land line telephone systems to indicate that a phone is off the hook. The SAT tone may be one of three frequencies: 5970, 6000 or 6030Hz. A loss of SAT implies that channel conditions are impaired and if SAT is interrupted for more than 5 seconds a cellular call is terminated. Figure 4-2 shows a high Q (30) second order SAT detection bandpass filter using Microchip’s CMOS op amp architecture. This circuit nulls all frequencies except the three SAT tones of interest. TABLE 4-1: SHDNC/D TC1030 SHUTDOWN POWER CONTROL LOGIC SHDNB OP AMPS ENABLED OP AMPS DISABLED MAX. DEVICE SUPPLY CURRENT VIL VIL A B,C,D 10µA VIL VIH A,B C,D 16µA VIH VIL A,C,D B 24µA VIH VIH A,B,C,D None 32µA 2002 Microchip Technology Inc. DS21341B-page 5 TC1030 FIGURE 4-1: MULTI-POLE BUTTERWORTH VOICE BAND RECEIVE FILTER VDD /2 Gain = 0dB VOUT Fch = 3.5kHz -24dB/Octave 0.1µF 1/4 + 22.6k – Fcl = 70Hz +6dB/Octave 22.6k Passband Ripple < 0.15dB 750pF 6800pF TC1030 VIN VDD 21.0k 21.0k 21.0k + 470pF 2400pF FIGURE 4-2: 1/4 – SECOND ORDER SAT BANDPASS FILTER Gain = 0dB Q = 30 .036µF Q = FC BW (3dB) 48.7k FC = 6kHz VDD VIN 24.3k .036µF VOUT 1/4 – TC1030 + 11.2 VDD/2 VDD/2 DS21341B-page 6 2002 Microchip Technology Inc. TC1030 TYPICAL CHARACTERISTICS 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. Op Amp Supply Voltage vs. Supply Current Op Amp Supply Current vs. Temperature 28 SHDNB = VDD SHDNC/D = VDD SUPPLY CURRENT (µA) SUPPLY CURRENT (µA) 26 24 22 20 18 16 Op Amp Power Supply Rejection Ratio (PSRR) vs. Frequency 28 0 26 -10 VDD = 5.5V 22 20 VDD = 1.8V 18 -30 -40 VDD = 3V -50 16 -60 12 -40 12 0 1 3 4 5 2 SUPPLY VOLTAGE (V) 6 7 Op Amp DC Open-Loop Gain vs. Supply Voltage -70 -20 0 20 40 60 TEMPERATURE (°C) 100 80 1K 10K 100K FREQUENCY (Hz) Op Amp DC Open-Loop Gain vs. Temperature Op Amp Short-Circuit Current vs. Supply Voltage 50 3000 140 PP -20 14 14 V V IN = 24 PSRR (dB) 5.0 100 2000 80 1500 60 1000 500 20 1.0 2.0 3.0 4.0 5.0 6.0 SUPPLY VOLTAGE (V) Op Amp Short-Circuit Current vs. Supply Voltage 25°C TEMPERATURE (°C) 1000 10% Overshoot -5 RLOAD (kΩ) -10 -15 -20 ISRC = 1.5V Region of Stable Operation 10 -25 V V Region of Marginal Stability 100 -30 -35 0.0 1 1.0 2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V) 2002 Microchip Technology Inc. 6.0 0 30 ISINK 25 20 15 10 0 0.0 85°C Op Amp Load Resistance vs. Load Capacitance 0 40 35 5 0 -40°C 250 500 750 1000 12501500 1750 2000 INPUT VOLTAGE (mV) 40 0 0.0 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 2500 OUTPUT VOLTAGE (mV) DC OPEN-LOOP GAIN (dB) 45 120 1.0 2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V) 6.0 Op Amp Small-Signal Transient Response 100 50 0 100 50 0 10 20 30 40 50 60 70 80 90 TIME (µsec) DS21341B-page 7 TC1030 INPUT VOLTAGE (mV) 5.0 TYPICAL CHARACTERISTICS (CONTINUED) Op Amp Large-Signal Transient Response 6 4 2 0 6 4 2 0 10 20 30 40 50 60 70 80 90 TIME (µsec) DS21341B-page 8 2002 Microchip Technology Inc. TC1030 6.0 PACKAGING INFORMATION 6.1 Package Marking Information Package marking data not available at this time. 6.2 Taping Form Component Taping Orientation for 16-Pin QSOP (Narrow) Devices User Direction of Feed PIN 1 W P Standard Reel Component Orientation for TR Suffix Device Carrier Tape, Reel Size, Number of Components Per Reel and Reel Size Package 16-Pin QSOP (N) 6.3 Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 12 mm 8 mm 2500 13 in Package Dimensions 16-Pin QSOP (Narrow) PIN 1 .157 (3.99) .150 (3.81) .244 (6.20) .228 (5.80) .196 (4.98) .189 (4.80) .010 (0.25) .004 (0.10) .069 (1.75) .053 (1.35) .025 (0.635) TYP. .012 (0.31) .008 (0.21) 8° MAX. .010 (0.25) .007 (0.19) .050 (1.27) .016 (0.41) Dimensions: inches (mm) 2002 Microchip Technology Inc. DS21341B-page 9 TC1030 NOTES: DS21341B-page 10 2002 Microchip Technology Inc. TC1030 Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. DS21341B-page11 TC1030 NOTES: DS21341B-page12 2002 Microchip Technology Inc. TC1030 Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. 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