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INA157U from BB

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INA157U

Manufacturer: BB

High-Speed/ Precision DIFFERENCE AMPLIFIER

Partnumber Manufacturer Quantity Availability
INA157U BB 571 In Stock

Description and Introduction

High-Speed/ Precision DIFFERENCE AMPLIFIER The INA157U is a precision difference amplifier manufactured by Texas Instruments (BB stands for Burr-Brown, a brand acquired by TI).  

### **Specifications:**  
- **Type:** Precision Difference Amplifier  
- **Supply Voltage Range:** ±2.25V to ±18V  
- **Gain:** Fixed gain of 0.5 (for high-side current sensing) or 1 (for general-purpose differential amplification)  
- **Bandwidth:** 1MHz (typical)  
- **Common-Mode Voltage Range:** ±200V (with external resistors)  
- **Input Offset Voltage:** 50µV (max)  
- **Input Bias Current:** 25nA (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The INA157U is designed for high-accuracy differential signal amplification, particularly in high-voltage applications like motor control, power monitoring, and industrial sensing. It provides excellent common-mode rejection and low offset voltage.  

### **Features:**  
- High common-mode rejection ratio (CMRR): 86dB (min)  
- Low noise: 20nV/√Hz  
- High input impedance  
- Wide supply voltage range  
- Internal precision resistors for accurate gain  
- Protection against overvoltage (up to ±200V)  

This amplifier is commonly used in current sensing, instrumentation, and signal conditioning applications.  

(Source: Texas Instruments/Burr-Brown datasheet)

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