Datasheet AD8428-KGD (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Low Noise, Low Gain Drift, G = 2000 Instrumentation Amplifier |
| Pages / Page | 7 / 3 — Data Sheet. AD8428-KGD. SPECIFICATIONS. Table 1. Parameter. Test … |
| File Format / Size | PDF / 237 Kb |
| Document Language | English |
Data Sheet. AD8428-KGD. SPECIFICATIONS. Table 1. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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Data Sheet AD8428-KGD SPECIFICATIONS
Supply voltage (VS) = ±15 V, REF voltage (VREF) = 0 V, TA = 25°C, G = 2000, and load resistance (RL) = 10 kΩ, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
CMRR Referred to input (RTI), common-mode voltage (VCM) = ±10 V DC to 60 Hz 130 dB At 50 kHz 110 dB NOISE, RTI +IN voltage (V+IN), −IN voltage (V−IN) = 0 V Voltage Noise Frequency = 1 kHz 1.3 1.5 nV/√Hz Frequency = 0.1 Hz to 10 Hz 40 50 nV p-p Current Noise Frequency = 1 kHz 1.5 pA/√Hz Frequency = 0.1 Hz to 10 Hz 150 pA p-p VOLTAGE OFFSET Input Offset (VOSI) 100 µV Average Temperature Coefficient TA = −40°C to +85°C 1 µV/°C Offset RTI vs. Supply (Power Supply Rejection Ratio) 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 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 Output voltage (VOUT) = −10 V to +10 V 0.2 % Total Gain Nonlinearity VOUT = −10 V to +10 V 5 ppm Gain Drift 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 Voltage 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 Voltage 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 Rev. 0 | Page 3 of 7 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE
Data Sheet AD8428-KGD SPECIFICATIONS
Supply voltage (VS) = ±15 V, REF voltage (VREF) = 0 V, TA = 25°C, G = 2000, and load resistance (RL) = 10 kΩ, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
CMRR Referred to input (RTI), common-mode voltage (VCM) = ±10 V DC to 60 Hz 130 dB At 50 kHz 110 dB NOISE, RTI +IN voltage (V+IN), −IN voltage (V−IN) = 0 V Voltage Noise Frequency = 1 kHz 1.3 1.5 nV/√Hz Frequency = 0.1 Hz to 10 Hz 40 50 nV p-p Current Noise Frequency = 1 kHz 1.5 pA/√Hz Frequency = 0.1 Hz to 10 Hz 150 pA p-p VOLTAGE OFFSET Input Offset (VOSI) 100 µV Average Temperature Coefficient TA = −40°C to +85°C 1 µV/°C Offset RTI vs. Supply (Power Supply Rejection Ratio) 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 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 Output voltage (VOUT) = −10 V to +10 V 0.2 % Total Gain Nonlinearity VOUT = −10 V to +10 V 5 ppm Gain Drift 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 Voltage 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 Voltage 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 Rev. 0 | Page 3 of 7 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE
