Overview
The INA137PAG4 is a high-performance differential line receiver produced by Burr-Brown, a division of Texas Instruments. This component is designed for high-performance audio applications and features on-chip precision resistors, ensuring accurate gain and excellent common-mode rejection. The INA137 is available in 8-pin DIP and SO-8 surface-mount packages and operates over a wide supply range from ±4V to ±18V (8V to 36V total supply). It is specified for operation over the extended industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Total Harmonic Distortion + Noise | f = 1kHz, VIN = 10Vrms | 0.0005% | - | - | % |
| Noise Floor | 20kHz BW | -106 | - | - | dBu |
| Slew Rate | - | - | 14 | - | V/µs |
| Supply Voltage | V+ to V– | - | - | 40 | V |
| Input Voltage Range | - | - | - | ±80 | V |
| Operating Temperature | - | -55 | - | 125 | °C |
| Storage Temperature | - | -55 | - | 125 | °C |
| Junction Temperature | - | - | - | 150 | °C |
| Lead Temperature (soldering, 10s) | - | - | - | 300 | °C |
Key Features
- Low distortion: 0.0005% at f = 1kHz
- High slew rate: 14V/µs
- Fast settling time: 3µs to 0.01%
- Wide supply range: ±4V to ±18V
- Low quiescent current: 2.9mA max
- High CMRR: 90dB
- Fixed gain: ±6dB
- Available in 8-pin DIP and SO-8 surface-mount packages
Applications
- Audio differential line receiver
- G = 1/2 or G = 2 amplifier
- Instrumentation building block
- Current shunt monitor
- Voltage-controlled current source
- Ground loop eliminator
Q & A
- What is the primary function of the INA137PAG4? The INA137PAG4 is a differential line receiver designed for high-performance audio applications.
- What are the available package types for the INA137? The INA137 is available in 8-pin DIP and SO-8 surface-mount packages.
- What is the operating temperature range of the INA137? The INA137 operates over the extended industrial temperature range of –40°C to +85°C.
- What is the typical total harmonic distortion + noise at 1kHz? The typical total harmonic distortion + noise at 1kHz is 0.0005%.
- What is the slew rate of the INA137? The slew rate of the INA137 is 14V/µs.
- What is the common-mode rejection ratio (CMRR) of the INA137? The CMRR of the INA137 is 90dB.
- What are some common applications of the INA137? Common applications include audio differential line receiver, G = 1/2 or G = 2 amplifier, instrumentation building block, current shunt monitor, voltage-controlled current source, and ground loop eliminator.
- What is the maximum supply voltage for the INA137? The maximum supply voltage is 40V (±18V to ±18V).
- What is the maximum input voltage range for the INA137? The maximum input voltage range is ±80V.
- Is the INA137 suitable for use in harsh temperature environments? Yes, it is specified for operation over the extended industrial temperature range of –40°C to +85°C.
