Datasheet AD8479-EP (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Very High Common-Mode Voltage Precision Difference Amplifier |
| 页数 / 页 | 7 / 3 — Enhanced Product. AD8479-EP. SPECIFICATIONS. Table 1. Parameter. Test … |
| 文件格式/大小 | PDF / 219 Kb |
| 文件语言 | 英语 |
Enhanced Product. AD8479-EP. SPECIFICATIONS. Table 1. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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Enhanced Product AD8479-EP SPECIFICATIONS
Supply voltage (VS) = ±15 V, REF(−) = REF(+) = 0 V, load resistor (RL) = 2 kΩ, and TA = 25°C, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
GAIN VOUT = ±10 V, RL = 2 kΩ Nominal Gain 1 V/V Gain Error 0.01 0.02 % Gain Nonlinearity 4 10 ppm Gain Drift TA = TMIN to TMAX 3 5 ppm/°C OFFSET VOLTAGE Offset Voltage VS = ±15 V 0.5 3 mV VS = ±5 V 0.5 3 mV Offset Voltage Drift TA = TMIN to TMAX 3 15 µV/°C Power Supply Rejection Ratio (PSRR) VS = ±2.5 V to ±15 V 84 100 dB INPUT Common-Mode Rejection Ratio VCM = ±600 V dc (CMRR) TA = 25°C 80 90 dB TA = TMIN to TMAX 80 dB VCM = 1200 V p-p, dc to 12 kHz 80 dB Operating Voltage Range Common-mode ±600 V Differential ±14.7 V Input Operating Impedance Common-mode 500 kΩ Differential 2 MΩ OUTPUT Output Voltage Swing RL = 2 kΩ −VS + 0.3 +VS − 0.3 V Output Short-Circuit Current ±55 mA Capacitive Load Stable operation 500 pF DYNAMIC RESPONSE Small Signal −3 dB Bandwidth 130 kHz Slew Rate 9 9.3 V/µs Full Power Bandwidth VOUT = 20 V p-p 100 kHz Settling Time 0.01%, VOUT = 10 V step 11 µs 0.001%, VCM = 10 V step 15.4 µs OUTPUT VOLTAGE NOISE 0.01 Hz to 10 Hz 30 35 µV p-p Noise Spectral Density Frequency ≥ 100 Hz 1.6 μV/√Hz POWER SUPPLY Operating Voltage Range ±2.5 ±18 V Supply Current VOUT = 0 V 550 650 μA TA = TMIN to TMAX 850 μA TEMPERATURE Operating Range (TMIN to TMAX) −55 +125 °C Rev. 0 | Page 3 of 7 Document Outline Features Enhanced Product Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide
Supply voltage (VS) = ±15 V, REF(−) = REF(+) = 0 V, load resistor (RL) = 2 kΩ, and TA = 25°C, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
GAIN VOUT = ±10 V, RL = 2 kΩ Nominal Gain 1 V/V Gain Error 0.01 0.02 % Gain Nonlinearity 4 10 ppm Gain Drift TA = TMIN to TMAX 3 5 ppm/°C OFFSET VOLTAGE Offset Voltage VS = ±15 V 0.5 3 mV VS = ±5 V 0.5 3 mV Offset Voltage Drift TA = TMIN to TMAX 3 15 µV/°C Power Supply Rejection Ratio (PSRR) VS = ±2.5 V to ±15 V 84 100 dB INPUT Common-Mode Rejection Ratio VCM = ±600 V dc (CMRR) TA = 25°C 80 90 dB TA = TMIN to TMAX 80 dB VCM = 1200 V p-p, dc to 12 kHz 80 dB Operating Voltage Range Common-mode ±600 V Differential ±14.7 V Input Operating Impedance Common-mode 500 kΩ Differential 2 MΩ OUTPUT Output Voltage Swing RL = 2 kΩ −VS + 0.3 +VS − 0.3 V Output Short-Circuit Current ±55 mA Capacitive Load Stable operation 500 pF DYNAMIC RESPONSE Small Signal −3 dB Bandwidth 130 kHz Slew Rate 9 9.3 V/µs Full Power Bandwidth VOUT = 20 V p-p 100 kHz Settling Time 0.01%, VOUT = 10 V step 11 µs 0.001%, VCM = 10 V step 15.4 µs OUTPUT VOLTAGE NOISE 0.01 Hz to 10 Hz 30 35 µV p-p Noise Spectral Density Frequency ≥ 100 Hz 1.6 μV/√Hz POWER SUPPLY Operating Voltage Range ±2.5 ±18 V Supply Current VOUT = 0 V 550 650 μA TA = TMIN to TMAX 850 μA TEMPERATURE Operating Range (TMIN to TMAX) −55 +125 °C Rev. 0 | Page 3 of 7 Document Outline Features Enhanced Product Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide