INA821
Features
- 1 Low offset voltage: 10 µV (typ), 35 µV (max)
- Gain drift: 5 ppm/°C (G = 1),
35 ppm/°C (G > 1) (max)
- Noise: 7 n V/√Hz
- Bandwidth: 4.7 MHz (G = 1), 290 k Hz (G = 100)
- Stable with 1-n F capacitive loads
- Inputs protected up to ±40 V
- mon-mode rejection: 112 d B, G = 10 (min)
- Power supply rejection: 110 d B, G = 1 (min)
- Supply current: 650 µA (max)
- Supply range:
- Single-supply: 4.5 V to 36 V
- Dual-supply: ±2.25 V to ±18 V
- Specified temperature range:
- 40°C to +125°C
- Packages: 8-pin SOIC, VSSOP, and WSON
2 Applications
- Analog input module
- Flow transmitter
- Battery test
- LCD test
- Electrocardiogram (ECG)
- Surgical equipment
- Process analytics (p H, gas, concentration, force and humidity)
3 Description
The INA821 is a high-precision instrumentation amplifier that offers low power consumption and operates over a wide single-supply or dual-supply range. A single external resistor sets any gain from 1 to 10,000. The device has high precision as a result of...
