Overview
The INA157UG4, produced by Texas Instruments (formerly Burr-Brown), is a high-speed, precision difference amplifier. This component integrates a precision op-amp with a precision resistor network, making it ideal for various signal conditioning applications. It operates on dual supply voltages ranging from ±4V to ±18V and is specified for operation over the extended industrial temperature range of –40°C to +85°C. The INA157UG4 is available in an 8-pin SOIC package, enhancing its suitability for surface-mount applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments (formerly Burr-Brown) |
| Package Type | SOIC-8 |
| Supply Voltage Range | ±4V to ±18V |
| Operating Temperature Range | –40°C to +85°C |
| Gain | 0.5 V/V, 2 V/V |
| Gain Error | 0.05 % |
| Input Offset Voltage | 500 uV |
| Common Mode Rejection Ratio (CMRR) | 86 dB |
| Slew Rate | 14 V/us |
| Small Signal Bandwidth | 4 MHz |
| Operating Supply Current | 2.4 mA |
| RoHS Compliance | Yes |
Key Features
- High slew rate of 14 V/us and small signal bandwidth of 4 MHz, ensuring high-speed performance.
- Precision difference amplifier with integrated resistor network, eliminating the need for external precision resistors.
- Low gain error of 0.05% and high CMRR of 86 dB, providing accurate signal amplification.
- Low input offset voltage of 500 uV, contributing to high precision in signal conditioning.
- Operates over a wide dual supply voltage range of ±4V to ±18V.
- Available in an 8-pin SOIC package, suitable for surface-mount applications.
- RoHS compliant, ensuring environmental sustainability.
Applications
- Differential input amplifier and instrumentation amplifier.
- Building block for various analog circuits.
- G = 1/2 or G = 2 amplifier configurations.
- Differential current receiver and voltage-controlled current source.
- Ground loop eliminator and current shunt monitor.
Q & A
- What is the INA157UG4 used for?
The INA157UG4 is used as a high-speed, precision difference amplifier in various signal conditioning applications.
- What is the operating temperature range of the INA157UG4?
The INA157UG4 operates over the extended industrial temperature range of –40°C to +85°C.
- What are the available gain settings for the INA157UG4?
The INA157UG4 offers gain settings of 0.5 V/V and 2 V/V.
- What is the typical slew rate of the INA157UG4?
The typical slew rate of the INA157UG4 is 14 V/us.
- Is the INA157UG4 RoHS compliant?
Yes, the INA157UG4 is RoHS compliant.
- What is the common mode rejection ratio (CMRR) of the INA157UG4?
The CMRR of the INA157UG4 is 86 dB.
- What is the input offset voltage of the INA157UG4?
The input offset voltage of the INA157UG4 is 500 uV.
- What is the typical operating supply current of the INA157UG4?
The typical operating supply current of the INA157UG4 is 2.4 mA.
- In what package is the INA157UG4 available?
The INA157UG4 is available in an 8-pin SOIC package.
- What are some common applications of the INA157UG4?
Common applications include differential input amplifiers, instrumentation amplifiers, building blocks for analog circuits, and more.
