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AD640JP-REEL7 Datasheet(PDF) 2 Page - Analog Devices |
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AD640JP-REEL7 Datasheet(HTML) 2 Page - Analog Devices |
2 / 16 page AD640–SPECIFICATIONS DC SPECIFICATIONS Model AD640J AD640B AD640T Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Units TRANSFER FUNCTION 1 IOUT = IY LOG |VIN/VX| for VIN = ± 0.75 mV to ± 200 mV dc SIGNAL INPUTS (Pins 1, 20) Input Resistance Differential 500 500 500 k Ω Input Offset Voltage Differential 50 500 50 200 50 200 µV vs. Temperature 0.8 0.8 0.8 µV/°C Over Temperature TMIN to TMAX 300 µV vs. Supply 2 2 2 µV/V Input Bias Current 7 25 7 25 7 25 µA Input Bias Offset 1 1 1 µA Common-Mode Range –2 +0.3 –2 +0.3 –2 +0.3 V INPUT ATTENUATOR (Pins 2, 3, 4, 5 and 19) Attenuation 2 Pin 5 to Pin 19 20 20 20 dB Input Resistance Pins 5 to 3/4 300 300 300 Ω SIGNAL OUTPUT (Pins 10, 11) Small Signal Gain 3 50 50 50 dB Peak Differential Output 4 ±180 ± 180 ± 180 mV Output Resistance Either Pin to COM 75 75 75 Ω Quiescent Output Voltage Either Pin to COM –90 –90 –90 mV LOGARITHMIC OUTPUT 5 (Pin 14) Voltage Compliance Range –0.3 +VS –1 –0.3 +VS –1 –0.3 VS –1 V Slope Current, IY 0.95 1.00 1.05 0.98 1.00 1.02 0.98 1.00 1.02 mA Accuracy vs. Temperature 0.002 0.002 0.002 %/ °C TMIN to TMAX 0.98 1.02 mA Accuracy vs. Supply +VS = 4.5 V to 7.5 V 0.08 1.0 0.08 0.4 0.08 0.4 %/V Intercept Voltage 6, V X 0.85 1.00 1.15 0.95 1.00 1.05 0.95 1.00 1.05 mV vs. Temperature 0.5 0.5 0.5 µV/°C Over Temperature TMIN to TMAX 0.90 1.10 mV vs. Supply ±V S = 4.5 V to 7.5 V 2 2 2 µV/V Logarithmic Offset (Alt. Definition of VX) –61.5 –60.0 –58.7 –60.5 –60.0 –59.5 –60.5 –60.0 –59.5 dBV vs. Temperature 0.004 0.004 0.004 dB/ °C Over Temperature TMIN to TMAX –60.9 –59.1 dB vs. Supply ±V S = 4.5 V to 7.5 V 0.017 0.017 0.017 dB/V Intercept Voltage Using Attenuator 8.25 10.0 11.75 9.0 10.0 11.0 9.0 10.0 11.0 mV Zero Signal Output Current 7 –0.2 –0.2 –0.2 mA ITC Disabled Pin 8 to COM –0.27 –0.27 –0.27 mA Maximum Output Current 2.3 2.3 2.3 mA APPLICATIONS RESISTORS (Pins 15, 16, 17) 1.000 0.995 1.000 1.005 0.995 1.000 1.005 k Ω DC LINEARITY VIN ±1 mV to ± 100 mV 0.35 1.2 0.35 0.6 0.35 0.6 dB TOTAL ABSOLUTE DC ACCURACY VIN = ± 1 mV to ±100 mV8 0.55 2 0.55 0.9 0.55 0.9 dB Over Temperature TMIN to TMAX 3 1.7 1.8 dB Over Supply Range ±V S = 4.5 V to 7.5 V 2 1.0 1.0 dB VIN = ± 0.75 mV to ±200 mV 1.0 3 1.0 2.0 1.0 2.0 dB Using Attenuator VIN = ± 10 mV to ± 1 V 0.4 2.5 0.4 1.5 0.4 1.5 dB Over Temperature TMIN to TMAX 0.6 3 0.6 2.0 0.6 2.0 dB VIN = ± 7.5 mV to 2 V 1.2 3.5 1.2 2.5 1.2 2.5 dB POWER REQUIREMENTS Voltage Supply Range 4.5 7.5 4.5 7.5 4.5 7.5 V Quiescent Current 9 +VS (Pin 12) TMIN to TMAX 915 9 15 9 15 mA –VS (Pin 7) TMIN to TMAX 35 60 35 60 35 60 mA –2– REV. C (VS = 5 V, TA = +25 C, unless otherwise noted) |
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Similar Description - AD640JP-REEL7 |
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