Overview
The THS4131IDGK from Texas Instruments is a high-performance, fully differential input/output amplifier designed for applications requiring high bandwidth, low noise, and excellent signal integrity. This amplifier is part of the THS413x family, fabricated using Texas Instruments' state-of-the-art, high-voltage, complementary bipolar process. It offers a true, fully differential signal path from input to output, ensuring high common-mode noise rejection and low total harmonic distortion. The THS4131IDGK is suitable for various high-frequency signal processing tasks, including video and imaging systems, data acquisition, and communications equipment.
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 VPP, 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 | µA |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package | VSSOP (DGK) - 8 pins |
Key Features
- High performance with a bandwidth of 170 MHz and a slew rate of 51 V/µs
- Fully differential input/output design for excellent common-mode noise rejection (95 dB at 800 kHz)
- Low total harmonic distortion (–102 dBc at 2 VPP, 250 kHz)
- Wide supply range: 5 V to 30 V, with operation up to ±15 V
- Low voltage noise: 1.25 nV/√Hz input-referred noise
- High output current drive capability
- Integrated op-amp and matched resistors, offering three gain options
- Compact packages: SOIC-8, VSSOP-8, and HVSSOP-8
Applications
- Video and imaging systems
- Data acquisition and communications equipment
- Wireless communication systems
- Audio, industrial, and medical systems
- High-frequency signal processing applications
Q & A
- What is the bandwidth of the THS4131IDGK amplifier?
The bandwidth of the THS4131IDGK amplifier is 170 MHz when VCC = ±15 V and G = 1 V/V.
- What is the slew rate of the THS4131IDGK?
The slew rate of the THS4131IDGK is 51 V/µs.
- What is the total harmonic distortion (THD) of the THS4131IDGK?
The THD of the THS4131IDGK is –102 dBc at 2 VPP, 250 kHz.
- What is the voltage noise of the THS4131IDGK?
The voltage noise of the THS4131IDGK is 1.25 nV/√Hz input-referred noise.
- What is the operating temperature range of the THS4131IDGK?
The operating temperature range of the THS4131IDGK is –40°C to +85°C.
- What packages are available for the THS4131IDGK?
The THS4131IDGK is available in VSSOP (DGK) - 8 pins, SOIC-8, and HVSSOP-8 packages.
- What are the common applications of the THS4131IDGK?
The THS4131IDGK is commonly used in video and imaging systems, data acquisition, communications equipment, wireless communication systems, and high-frequency signal processing applications.
- Does the THS4131IDGK support single supply operation?
- What is the quiescent current in shutdown mode for the THS4131IDGK?
The quiescent current in shutdown mode for the THS4131IDGK is 860 µA.
- Does the THS4131IDGK have integrated resistors for gain setting?
