Overview
The THS4131IDGKG4, part of the THS413x family, is a high-speed, low-noise, fully differential input/output amplifier produced by Texas Instruments. These amplifiers are fabricated using Texas Instruments' state-of-the-art, high-voltage, complementary, bipolar process. The THS4131 is designed to provide a true, fully differential signal path from input to output, offering high supply capability of up to ±15 V. This design ensures excellent common-mode noise rejection performance and low total harmonic distortion, making it suitable for high-voltage differential signal chains.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 170 MHz (VCC = ±15 V, G = 1 V/V) | MHz |
| Slew Rate | 51 V/µs | V/µs |
| Gain Bandwidth Product | 215 MHz | MHz |
| Total Harmonic Distortion (THD) | –102 dBc at 2 V PP, 250 kHz | dBc |
| Voltage Noise | 1.25 nV/√Hz input-referred noise | nV/√Hz |
| 1/f Voltage Noise Corner | 350 Hz | Hz |
| Single Supply Operating Range | 5 V to 30 V | V |
| Quiescent Current (Shutdown) | 860 µA (THS4130) | µA |
| Temperature Range | –40°C to +85°C | °C |
| Packages | PowerPAD™ HVSSOP-8, SOIC-8, VSSOP-8 |
Key Features
- High performance with a bandwidth of 170 MHz and a slew rate of 51 V/µs.
- Low noise characteristics, including 1.25 nV/√Hz input-referred noise and a 1/f voltage noise corner of 350 Hz.
- Excellent common-mode noise rejection performance (95 dB at 800 kHz) and low total harmonic distortion (–102 dBc at 2 V PP, 250 kHz).
- Wide single supply operating range from 5 V to 30 V.
- Low quiescent current in shutdown mode (860 µA for THS4130).
- Available in various packages including PowerPAD™ HVSSOP-8, SOIC-8, and VSSOP-8.
Applications
The THS4131IDGKG4 is suitable for a variety of applications requiring high-speed, low-noise, and fully differential signal processing. These include:
- High-voltage differential signal chains in industrial and medical equipment.
- Audio and video processing systems where low noise and high fidelity are critical.
- Test and measurement equipment requiring precise signal amplification.
- Automotive and aerospace systems that demand robust performance over a wide temperature range.
Q & A
- What is the bandwidth of the THS4131 amplifier?
The bandwidth of the THS4131 amplifier is 170 MHz when operated with a supply voltage of ±15 V and a gain of 1 V/V.
- What is the slew rate of the THS4131?
The slew rate of the THS4131 is 51 V/µs.
- What is the total harmonic distortion (THD) of the THS4131?
The THD of the THS4131 is –102 dBc at 2 V PP, 250 kHz.
- What is the input-referred noise of the THS4131?
The input-referred noise of the THS4131 is 1.25 nV/√Hz.
- What is the operating temperature range of the THS4131?
The operating temperature range of the THS4131 is –40°C to +85°C.
- In what packages is the THS4131 available?
The THS4131 is available in PowerPAD™ HVSSOP-8, SOIC-8, and VSSOP-8 packages.
- What is the quiescent current in shutdown mode for the THS4130?
The quiescent current in shutdown mode for the THS4130 is 860 µA.
- What is the common-mode noise rejection performance of the THS4131?
The common-mode noise rejection performance of the THS4131 is 95 dB at 800 kHz.
- What is the single supply operating range of the THS4131?
The single supply operating range of the THS4131 is from 5 V to 30 V.
- What are some typical applications of the THS4131?
The THS4131 is typically used in high-voltage differential signal chains, audio and video processing, test and measurement equipment, and automotive and aerospace systems.
