AD623ARZ Single-Supply Low Cost Instrumentation Amplifier
Rail-to-Rail 800MHZ
FEATURES
Easy to use
Higher performance than discrete design
Single-supply and dual-supply operation
Rail-to-rail output swing
Input voltage range extends 150 mV below
ground (single supply)
Low power, 550 μA maximum supply current
Gain set with one external resistor
Gain range: 1 (no resistor) to 1000
High accuracy dc performance
0.10% gain accuracy (G = 1)
0.35% gain accuracy (G > 1)
10 ppm maximum gain drift (G = 1)
200 μV maximum input offset voltage (AD623A)
2 μV/°C maximum input offset drift (AD623A)
100 μV maximum input offset voltage (AD623B)
1 μV/°C maximum input offset drift (AD623B)
25 nA maximum input bias current
Noise: 35 nV/√Hz RTI noise @ 1 kHz (G = 1)
Excellent ac specifications
90 dB minimum CMRR (G = 10); 70 dB minimum CMRR (G = 1)
at 60 Hz, 1 kΩ source imbalance
800 kHz bandwidth (G = 1)
20 μs settling time to 0.01% (G = 10)
APPLICATIONS
|Low power medical instrumentation
|Transducer interfaces
|Thermocouple amplifiers
|Industrial process controls
|Difference amplifiers
|Low power data acquisition
| Amplifier Type | Instrumentation | |
|---|
| Number of Circuits | 1 | |
|---|
| Output Type | Rail-to-Rail | |
|---|
| Slew Rate | 0.3V/µs | |
|---|
| -3db Bandwidth | 800kHz | |
|---|
| Current - Input Bias | 17nA | |
|---|
| Voltage - Input Offset | 25µV | |
|---|
| Current - Supply | 375µA | |
|---|
| Voltage - Supply, Single/Dual (±) | 2.7 V ~ 12 V, ± 2.5 V ~ 6 V | |
|---|
| Operating Temperature | -40°C ~ 85°C | |
|---|
| Mounting Type | Surface Mount |
|---|
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