Overview
The INA137PA, produced by Texas Instruments, is a high-performance differential line receiver designed for various audio and instrumentation applications. It consists of high-performance op amps with on-chip precision resistors, ensuring accurate gain and excellent common-mode rejection. This device is fully specified for high-performance audio applications, offering low distortion, high slew rate, and wide output voltage swing, making it suitable for demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage Range | ±4V | ±18V | ||
| Input Voltage Range | ±80V | |||
| Operating Temperature Range | –40°C | +85°C | ||
| Storage Temperature Range | –55°C | +125°C | ||
| Junction Temperature | +150°C | |||
| Lead Temperature (soldering, 10s) | +300°C | |||
| Quiescent Current | 2.9mA | mA | ||
| Distortion at 1kHz | 0.0005% | |||
| Slew Rate | 14V/µs | |||
| Common-Mode Rejection Ratio (CMRR) | 90dB | |||
| Fixed Gain | ±6dB | |||
| Package Types | 8-Pin DIP, SO-8 |
Key Features
- Single and Dual Versions: Available in both single (INA137) and dual (INA2137) configurations.
- Low Distortion: 0.0005% at 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.
- High Input Impedance: 10MΩ.
Applications
- Audio Differential Line Receiver: Ideal for high-performance audio applications.
- Instrumentation Building Block: Useful in various instrumentation and measurement systems.
- Current Shunt Monitor: Can be used for monitoring current.
- Voltage-Controlled Current Source: Suitable for applications requiring precise current control.
- Ground Loop Eliminator: Helps in eliminating ground loops in audio systems.
- Professional Audio Equipment: Used in professional audio equipment, home theater systems, and automotive audio systems.
- Industrial Control Systems: Applicable in industrial control and communication systems.
- Medical Equipment: Can be used in medical devices requiring high precision and reliability.
Q & A
- What is the primary function of the INA137PA?
The INA137PA is a differential line receiver designed for high-performance audio and instrumentation applications. - What are the available package types for the INA137PA?
The INA137PA is available in 8-Pin DIP and SO-8 surface-mount packages. - What is the operating temperature range of the INA137PA?
The operating temperature range is from –40°C to +85°C. - What is the supply voltage range for the INA137PA?
The supply voltage range is from ±4V to ±18V. - What is the typical distortion at 1kHz for the INA137PA?
The typical distortion at 1kHz is 0.0005%. - What is the slew rate of the INA137PA?
The slew rate is 14V/µs. - What is the common-mode rejection ratio (CMRR) of the INA137PA?
The CMRR is 90dB. - Can the INA137PA be used in industrial control systems?
Yes, it can be used in industrial control and communication systems. - Is the INA137PA suitable for medical equipment?
Yes, it is suitable for medical devices requiring high precision and reliability. - What are some common applications of the INA137PA?
Common applications include audio differential line receivers, instrumentation building blocks, current shunt monitors, and ground loop eliminators.
