High-Speed/ Precision DIFFERENCE AMPLIFIER The INA157UA is a precision difference amplifier manufactured by Texas Instruments (BB). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (BB)
- **Type:** Precision Difference Amplifier
- **Supply Voltage Range:** ±2.25V to ±18V
- **Input Voltage Range:** Rail-to-Rail
- **Gain:** Fixed at 0.5 (for high-side current sensing) or 1 (for differential amplification)
- **Bandwidth:** 1 MHz (typical)
- **Slew Rate:** 3 V/µs (typical)
- **Common-Mode Rejection Ratio (CMRR):** 86 dB (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** SOIC-8
### **Descriptions:**
The INA157UA is a high-precision difference amplifier designed for applications requiring accurate signal conditioning, such as high-side current sensing and differential signal amplification. It integrates a precision op-amp with a matched resistor network to ensure high CMRR and low gain error.
### **Features:**
- **High Accuracy:** Low offset voltage (200 µV max) and low drift (2 µV/°C max)
- **Wide Supply Range:** Operates from ±2.25V to ±18V
- **Rail-to-Rail Inputs:** Supports input signals up to the supply rails
- **Low Power Consumption:** 1.5 mA (typical) supply current
- **Integrated Precision Resistors:** Eliminates external resistor matching requirements
- **Stable Operation:** Unity-gain stable with capacitive loads
This information is based solely on the manufacturer's datasheet and technical documentation.
