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AD8557 Datasheet(PDF) 3 Page - Analog Devices |
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AD8557 Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page Data Sheet AD8428 Rev. 0 | Page 3 of 20 SPECIFICATIONS VS = ±15 V, VREF = 0 V, TA = 25°C, G = 2000, RL = 10 kΩ, unless otherwise noted. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit COMMON-MODE REJECTION RATIO (RTI) VCM = ±10 V CMRR, DC to 60 Hz 130 dB CMRR at 50 kHz 110 dB NOISE (RTI) VIN+, VIN− = 0 V Voltage Noise f = 1 kHz 1.3 1.5 nV/√Hz f = 0.1 Hz to 10 Hz 40 50 nV p-p Current Noise f = 1 kHz 1.5 pA/√Hz f = 0.1 Hz to 10 Hz 150 pA p-p VOLTAGE OFFSET Input Offset, VOSI 100 μV Average TC TA = −40°C to +85°C 1 μV/°C Offset RTI vs. Supply (PSRR) 120 dB INPUT CURRENT Input Bias Current 200 nA Over Temperature TA = −40°C to +85°C 250 pA/°C Input Offset Current 50 nA Over Temperature TA = −40°C to +85°C 20 pA/°C DYNAMIC RESPONSE −3 dB Small Signal Bandwidth 3.5 MHz Settling Time to 0.01% 10 V step 0.75 μs Settling Time to 0.001% 10 V step 1.4 μs Slew Rate 40 50 V/μs GAIN First Stage Gain 200 V/V Subtractor Stage Gain 10 V/V Total Gain Error VOUT = −10 V to +10 V 0.2 % Total Gain Nonlinearity VOUT = −10 V to +10 V 5 ppm Total Gain vs. Temperature 10 ppm/°C INPUT Impedance (Pin to Ground)1 1||2 GΩ||pF Input Operating Voltage Range VS = ±4 V to ±18 V −VS + 2.5 +VS − 2.5 V Over Temperature TA = −40°C to +85°C −VS + 2.5 +VS − 2.5 V OUTPUT Output Swing RL = 2 kΩ −VS + 1.7 +VS − 1.2 V Over Temperature TA = −40°C −VS + 2.0 +VS − 1.3 V TA = +85°C −VS + 1.6 +VS − 1.1 V Output Swing RL = 10 kΩ −VS + 1.7 +VS − 1.0 V Over Temperature TA = −40°C −VS + 1.8 +VS − 1.2 V TA = +85°C −VS + 1.4 +VS − 0.9 V Short-Circuit Current 30 mA REFERENCE INPUT RIN 132 kΩ IIN VIN+, VIN− = 0 V 6.5 μA Voltage Range −VS +VS V Reference Gain to Output 1 V/V Reference Gain Error 0.01 % |
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