PRELIMINARY DS4812 Low Voltage, High Slew Rate, Rail-To-Rail Dual Op-Amp www.dalsemi.com FEATURES PACKAGES/PINOUTS High Slew Rate: 10V/µs High Gain Bandwidth: 6.5 MHz Supply Voltage Range 2.5 to 5.5V Rail-to-Rail Output Swing 1.75 mA Supply Current per Channel AOUT AIN- ORDERING INFORMATION Description DS4812 8-pin DIP DS4812S 8-pin SOIC DS4812U 8-pin µ-SOP DS4812X 8-bump CSP 8 2 7 A AIN+ Part Number 1 GND 3 - + B + - 4 6 5 VDD BOUT BIN- BIN+ 300-mil DIP 150-mil SOIC 118-mil µ-SOP VDD 8 AOUT For mechanical dimensions see web site. AINAIN+ 1 2 7 A - + + B - 3 6 5 BOUT BINBIN+ 4 GND 8-bump CSP DESCRIPTION The DS4812 BiCMOS dual operational amplifier combines high slew rate and rail-to-rail output swing. The device provides 10V/µs of slew rate and 6.5 MHz of bandwidth while only consuming 1.5 mA of supply current per channel. Ideal low voltage BiFET substitute for low gain, high speed applications. 1 of 19 101000 DS4812 ABSOLUTE MAXIMUM RATINGS Supply Voltage, VDD (see Note 1)............5.5V Differential Input Voltage (see Note 2)....± VDD Input Voltage Range, VI(see Note 1) .......-0.3V to VDD Input Current, IDD .....................................± 4 mA Output Current, IO ....................................± 50 mA Total current into VDD ..............................± 50 mA Total current out of GND.........................± 50 mA Duration of short-circuit current (See Note 3) unlimited o Operating Temperature ............................0 C to +70 oC Storage Temperature ................................-55 oC to +125 oC Soldering Temperature.............................See J-STD-020A Specification NOTES: 1. Relative to GND. 2. Non-inverting input relative to inverting input. Excessive current flows when input is brought below GND - 0.3V. 3. The output may be shorted to either supply. Temperature and/or supply voltages must be limited to ensure that the maximum dissipation rating is not exceeded. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN Supply Voltage VDD Input Voltage Range Common-Mode Input Voltage Free-Air Operating Temperature MAX UNITS NOTES 2.5 5.5 V 1 VI 0 VDD - 1.7 V 1 VCM 0 VDD - 1.7 TA 0 NOTES: 1. Voltage referenced to GND. 2 of 19 TYP 70 V o C DS4812 ELECTRICAL CHARACTERISTICS Conditions: (TA: 0°C – 70°C. VDD = 3.0V) PARAMETER Input Offset Voltage (VIC = 0.5V, RS = 50Ω, VOUT = 1.5V) Temperature Coefficient of Input Offset Voltage (VIC = 0.5V, RS = 50Ω, VOUT = 1.5V) Input Offset Current (VIC = 0.5V, RS = 50Ω, VOUT = 1.5V) Input Bias Current (VIC = 0.5V, RS = 50Ω, VOUT = 1.5V) Common-mode Input Voltage Range |VIO| ≤ 10mV High Level Output Voltage (IOH = -0.5 mA) Low Level Output Voltage (IOL = 0.5 mA) Large Signal Differential Voltage Amplification (VIC = 0.5V, RL = 10 kΩ, 1V ≤ VO ≤ 2V) Common Mode Input Capacitance Common Mode Rejection Ratio (0V ≤ VIC ≤ 1.0V, VO = 1.5V) Supply Voltage Rejection Ratio (3V ≤ VDD ≤ 5V, VIC = VDD/2 – 1V, no load) Amplifier Supply Current (per channel) (VO = 1.5V, no load) Slew Rate at Unity Gain (CL = 50 pF) Unity Gain Bandwidth (CL = 50 pF) Phase Margin at Unity Gain (CL = 50 pF) Gain Margin (CL = 50 pF) SYMBOL MIN TYP MAX UNITS VIO 1 5 mV αVIO 10 IIO 1 500 pA IIB 2 500 pA 1.3 V VICR 0 VOH 2.5 VOL 2.8 0.15 AVD 60 ci(c) µV/°C V 0.5 V 68 dB 4 pF CMRR 40 50 dB kSVR 70 80 dB 1.5 IDD SR 5 2.5 mA 7.5 V/µs UGBW 5.0 MHz φM 54 Degree 6 dB 3 of 19 NOTES DS4812 ELECTRICAL CHARACTERISTICS cont. Conditions: (TA: 0°C – 70°C. VDD = 5.0V) PARAMETER Input Offset Voltage (VIC = 1.5V, RS = 50Ω, VOUT = 2.5V) Temperature Coefficient of Input Offset Voltage (VIC = 1.5V, RS = 50Ω, VOUT = 2.5V) Input Offset Current (VIC = 1.5V, RS = 50Ω, VOUT = 2.5V) Input Bias Current (VIC = 1.5V, RS = 50Ω, VOUT = 2.5V) Common-mode Input Voltage Range |VIO| ≤ 10 mV High Level Output Voltage (IOH = -1.0 mA) Low Level Output Voltage (IOL = 1.0 mA) Large Signal Differential Voltage Amplification (VIC = 1.5V, RL = 10 kΩ, 1.5V ≤ VO ≤ 3.5V) Common Mode Input Capacitance Common Mode Rejection Ratio (0V ≤ VIC ≤ 2.7V, VO = 2.5V) Supply Voltage Rejection Ratio (3V ≤ VDD ≤ 5V, VIC = VDD/2 – 1V, no load) Amplifier Supply Current (per channel) (VO = 2.5V, no load) Slew Rate at Unity Gain (CL = 50 pF) Unity Gain Bandwidth (CL = 50 pF) Phase Margin at Unity Gain (CL = 50 pF) Gain Margin (CL = 50 pF) SYMBOL MIN TYP MAX UNITS VIO 1 αVIO 10 IIO 1 500 pA IIB 2 500 pA 3.3 V VICR 0 VOH 4.5 VOL AVD ci(c) mV µV/°C 4.8 0.15 60 5 V 0.5 V 72 dB 4 pF CMRR 45 55 dB kSVR 70 80 dB IDD SR 1.75 mA 10 V/µs UGBW 6.5 MHz φM 46 Degree 4 dB 4 of 19 7 2.5 NOTES DS4812 DISTRIBUTION OF DS4812 INPUT OFFSET VOLTAGE 30% Percentage of Amplifiers - % VDD = 3.0 V 25% RL = 10K TA = 25oC 20% 15% 10% 5% 0% -2.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 VIO - Input Offset Voltage - mV 1.2 1.6 2.0 Figure 1.0 DISTRIBUTION OF DS4812 INPUT OFFSET VOLTAGE Percentage of Amplifiers - % 35% VDD = 5.0 V 30% RL = 10K TA = 25oC 25% 20% 15% 10% 5% 0% -2 -1.6 -1.2 -0.8 -0.4 0 0.4 0.8 VIO - Input Offset Voltage - mV Figure 2.0 5 of 19 1.2 1.6 2 DS4812 INPUT OFFSET VOLTAGE vs COMMON-MODE INPUT VOLTAGE VIO - Input Offset Voltage - mV 5 4 VDD = 3.0 V 3 TA = 25oC 2 1 0 -1 -2 -3 -4 -5 -0.5 0 0.5 1 1.5 2 VIC - Common-Mode Input Voltage - V Figure 3.0 INPUT OFFSET VOLTAGE vs COMMON-MODE INPUT VOLTAGE VIO - Input Offset Voltage - mV 5 4 VDD = 5.0 V 3 TA = 25oC 2 1 0 -1 -2 -3 -4 -5 -0.5 0 0.5 1 1.5 2 2.5 VIC - Common-Mode Input Voltage - V Figure 4.0 6 of 19 3 3.5 4 DS4812 DISTRIBUTION OF DS4812 INPUT OFFSET VOLTAGE TEMPERATURE COEFFICIENT Percentage of Amplifiers - % 20% V DD = 3.0 V RL = 10K TA = 25oC to 85°C 15% 10% 5% 0% -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 o α VIO - Temperature Coefficient - uV/ C 25 30 35 40 Figure 5.0 DISTRIBUTION OF DS4812 INPUT OFFSET VOLTAGE TEMPERATURE COEFFICIENT Percentage of Amplifiers - % 20% VDD = 5.0 V RL = 10K TA = 25oC to 85°C 15% 10% 5% 0% -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 o α VIO - Temperature Coefficient - uV/ C Figure 6.0 7 of 19 25 30 35 40 DS4812 HIGH-LEVEL OUTPUT VOLTAGE vs HIGH-LEVEL OUTPUT CURRENT VOH - High-Level Output Voltage - V 3 VDD = 3.0 V 2.5 o 125 C 2 o o 0C 85 C 1.5 1 o -40 C 0.5 o 25 C 0 0.00 0.50 1.00 1.50 2.00 2.50 IOH - High-Level Output Current - mA Figure 7.0 HIGH-LEVEL OUTPUT VOLTAGE vs HIGH-LEVEL OUTPUT CURRENT VOH - High-Level Output Voltage - V 5 VDD = 5.0 V 4.5 4 o 125 C 3.5 o 85 C 3 o 0C 2.5 2 1.5 o -40 C 1 o 25 C 0.5 0 0.00 0.50 1.00 1.50 2.00 2.50 IOH - High-Level Output Current - mA Figure 8.0 8 of 19 3.00 3.50 DS4812 LOW-LEVEL OUTPUT VOLTAGE vs LOW-LEVEL OUTPUT CURRENT 2.0 V OL - Low-Level Output Voltage - V VDD = 3.0 V o 125 C 1.8 o 25 C 1.5 o 0C 1.3 o 85 C o -40 C 1.0 0.8 0.5 0.3 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 IOL - Low-Level Output Current - mA Figure 9.0 LOW-LEVEL OUTPUT VOLTAGE vs LOW-LEVEL OUTPUT CURRENT VOL - Low-Level Output Voltage - V 2.0 V DD = 5.0 V 1.8 o o 0C 125 C 1.5 1.3 o -40 C o 85 C 1.0 0.8 0.5 o 25 C 0.3 0.0 0 1 2 3 IOL - Low-Level Output Current - mA Figure 10.0 9 of 19 4 5 DS4812 SHORT-CIRCUIT OUTPUT CURRENT vs FREE-AIR TEMPERATURE IOS - Short-Circuit Output Current - mA 5 4 IOSL 3 2 1 V DD = 3.0 V 0 -1 -2 IOSH -3 -4 -5 -50 -25 0 25 50 75 100 125 75 100 125 o TA - Free-Air Temperature - C Figure 11.0 SHORT-CIRCUIT OUTPUT CURRENT vs FREE-AIR TEMPERATURE IOS - Short-Circuit Output Current - mA 5 4 IOSL 3 2 1 VDD = 5.0 V 0 -1 -2 -3 IOSH -4 -5 -50 -25 0 25 50 o TA - Free-Air Temperature - C Figure 12.0 10 of 19 DS4812 LARGE-SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION AND PHASE MARGIN vs FREQUENCY 40 90 V DD = 3.0 V TA = 25oC 20 RL = 10K 45 CL = 50pF AVD 0 0 -20 -45 -40 100K 1M Phase Margin - degrees AVD - Gain Margin - dB Phase -90 100M 10M f - Frequency - Hz Figure 13.0 LARGE-SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION AND PHASE MARGIN vs FREQUENCY 40 90 V DD = 5.0 V TA = 25oC 20 RL = 10K 45 CL = 50pF AVD 0 0 -20 -40 100K -45 1M 10M f - Frequency - Hz Figure 14.0 11 of 19 -90 100M Phase Margin - degrees AVD - Gain Margin - dB Phase DS4812 SUPPLY CURRENT vs SUPPLY VOLTAGE 5 o 125 C o 85 C 4 3 2 o 0C o -40 C o 25 C 1 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 VDD - Supply Voltage - V Figure 15.0 COMMON-MODE REJECTION RATIO vs FREQUENCY 80.0 CMRR - Common-Mode Rejection Ratio - dB IDD - Supply Current - mA V IC = 30% V DD 60.0 VDD = 5.0 V VDD = 3.0 V 40.0 20.0 0.0 100K 1M f - Frequency - Hz Figure 16.0 12 of 19 10M 5 DS4812 SUPPLY-VOLTAGE REJECTION RATIO vs FREQUENCY 80 kSVR - Supply-Voltage Rejection Ratio - dB VDD = 3.0V 60 40 20 0 1K 10K 100K f - Frequency - Hz 1M 10M 1M 10M Figure 17.0 SUPPLY-VOLTAGE REJECTION RATIO vs FREQUENCY 80 kSVR - Supply-Voltage Rejection Ratio - dB VDD = 5.0V 60 40 20 0 1K 10K 100K f - Frequency - Hz Figure 18.0 13 of 19 DS4812 VOLTAGE-FOLLOWER SMALL-SIGNAL PULSE RESPONSE 1.100 VO - Output Voltage - V VDD = 3.0 V AV = +1 1.050 RL = 10K CL = 50pF TA = 25oC 1.000 0.950 0.900 0 200 400 600 800 1000 t - Time - ns Figure 19.0 VOLTAGE-FOLLOWER SMALL-SIGNAL PULSE RESPONSE 2.600 VO - Output Voltage - V VDD = 5.0 V AV = +1 RL = 10K 2.550 CL = 50pF TA = 25oC 2.500 2.450 2.400 0 200 400 600 t - Time - ns Figure 20.0 14 of 19 800 1000 DS4812 VOLTAGE-FOLLOWER LARGE-SIGNAL PULSE RESPONSE 2.000 V DD = 3.0 V VO - Output Voltage - V 1.800 A V = +1 1.600 RL = 10K 1.400 CL = 50pF 1.200 TA = 25oC 1.000 0.800 0.600 0.400 0.200 0.000 0 200 400 600 800 1000 t - Time - ns Figure 21.0 VOLTAGE-FOLLOWER LARGE-SIGNAL PULSE RESPONSE 3.500 VDD = 5.0 V VO - Output Voltage - V 3.250 AV = +1 RL = 10K 3.000 CL = 50pF TA = 25oC 2.750 2.500 2.250 2.000 1.750 1.500 0 200 400 600 t - Time - ns Figure 22.0 15 of 19 800 1000 DS4812 INVERTING SMALL-SIGNAL PULSE RESPONSE 1.100 VO - Output Voltage - V V DD = 3.0 V A V = -1 RL = 10K 1.050 CL = 50pF TA = 25oC 1.000 0.950 0.900 0 200 400 600 800 1000 t - Time - ns Figure 23.0 INVERTING SMALL-SIGNAL PULSE RESPONSE 2.600 VO - Output Voltage - V VDD = 5.0 V AV = -1 2.550 RL = 10K CL = 50pF TA = 25oC 2.500 2.450 2.400 0 200 400 600 t - Time - ns Figure 24.0 16 of 19 800 1000 DS4812 INVERTING LARGE-SIGNAL PULSE RESPONSE VO - Output Voltage - V 2.000 1.800 V DD = 3.0 V 1.600 A V = -1 RL = 10K 1.400 CL = 50pF 1.200 TA = 25oC 1.000 0.800 0.600 0.400 0.200 0.000 0 200 400 600 800 1000 t - Time - ns Figure 25.0 Figure 26.0 IN VER TIN G LAR GE-SIGN AL PU LSE R ESPON SE VO - Output Voltage - V 3.500 V D D = 5.0 V 3.250 A V = -1 3.000 R L = 10K 2.750 C L = 50pF T = 25 o C 2.500 2.250 2.000 1.750 1.500 0 200 400 600 t - Time - ns 17 of 19 800 1000 DS4812 PHASE MARGIN vs LOAD CAPACITANCE Phase Margin - degrees 70 Rnull = 50 60 50 V D D = 3.0 V RL = 10K 40 TA = 25o C 30 +VDD/2 AC + 20 RNULL - 10 RLOAD Rnull = 20 CLOAD Rnull = 10 Rnull = 0 -VDD/2 0 1 10 100 1K 10K C L - Load Capacitance - pF Figure 27.0 GAIN MARGIN vs LOAD CAPACITANCE 12 Rnull = 50 +VDD/2 AC Gain Margin - dB 10 + RNULL - RLOAD 8 Rnull = 20 CLOAD -VDD/2 6 4 VDD = 3.0 V Rnull = 10 RL = 10K 2 Rnull = 0 TA = 25oC 0 1 10 100 CL - Load Capacitance - pF Figure 28.0 18 of 19 1K 10K DS4812 UNITY-GAIN BANDWIDTH vs LOAD CAPACITANCE Unity-Gain Bandwidth - MHz 6 VDD = 3.0 V 5 RL = 10K TA = 25oC 4 3 2 1 0 1 10 100 CL - Load Capacitance - pF Figure 29.0 19 of 19 1K 10K