INA149-EP Overview
Description
The INA149 is a precision unity-gain difference amplifier with a very high input common-mode voltage range. It is a single, monolithic device that consists of a precision op amp and an integrated thin-film resistor network.
Key Features
- 2 Common-Mode Voltage Range: ±275 V
- Minimum CMRR: 84 dB from –55°C to +125°C
- DC Specifications: – Maximum Offset Voltage: 3500 μV – Maximum Gain Error: 0.047% – Maximum Gain Nonlinearity: 0.001% FSR at 25°C
- AC Performance: – Bandwidth: 500 kHz – Typical Slew Rate: 5 V/μs
- Wide Supply Range: ±2.0 V to ±18 V – Maximum Quiescent Current: 1100 μA – Output Swing on ±15-V Supplies: ±13.5 V
- Input Protection: – Common-Mode: ±500 V – Differential: ±500 V
