Overview
The THS4031IDR, produced by Texas Instruments, is an ultra-low voltage noise, high-speed voltage feedback amplifier. This component is part of the THS403x series, which includes both single-amplifier (THS4031) and dual-amplifier (THS4032) versions. The THS4031IDR is designed for applications requiring low voltage noise and high-speed performance, making it an excellent choice for various industrial, communications, and imaging applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Voltage Noise | 1.2 nV/√Hz | nV/√Hz |
| Bandwidth (G = 2, –1) | 100 MHz | MHz |
| Slew Rate | 100 V/μs | V/μs |
| Total Harmonic Distortion (THD) at f = 1 MHz, RL = 150Ω | –81 dBc | dBc |
| Total Harmonic Distortion (THD) at f = 1 MHz, RL = 1kΩ | –96 dBc | dBc |
| Input Offset Voltage | 0.3 mV | mV |
| Output Current Drive | 200 mA | mA |
| Supply Voltage Range (Dual Supply) | ±4.5 V to ±16.5 V | V |
| Supply Current per Amplifier | 7.5 mA | mA |
| Operating Temperature Range | 0°C to 70°C (C-suffix), –40°C to 85°C (I-suffix) | °C |
Key Features
- Ultra-low voltage noise of 1.2 nV/√Hz
- High speed with 100 MHz bandwidth and 100 V/μs slew rate
- Very low distortion with THD of –81 dBc at 1 MHz and RL = 150Ω, and –96 dBc at 1 MHz and RL = 1kΩ
- Low input offset voltage of 0.3 mV (typical)
- High output current drive capability of 200 mA (typical)
- Wide supply voltage range from ±4.5 V to ±16.5 V
- Low supply current of 7.5 mA per amplifier
- Offset nulling pins available on the THS4031
Applications
- Low-noise, wide-band amplifiers for industrial applications
- Voltage-controlled oscillators
- Active filters
- Video amplifiers
- Cable drivers
- Ultrasound scanners
- Vector signal transceivers (VST)
- Data acquisition (DAQ) systems
Q & A
- What is the typical voltage noise of the THS4031IDR?
The typical voltage noise of the THS4031IDR is 1.2 nV/√Hz.
- What is the bandwidth of the THS4031IDR at a gain of 2?
The bandwidth of the THS4031IDR at a gain of 2 is 100 MHz.
- What is the slew rate of the THS4031IDR?
The slew rate of the THS4031IDR is 100 V/μs.
- What is the total harmonic distortion (THD) of the THS4031IDR at 1 MHz and RL = 150Ω?
The total harmonic distortion (THD) of the THS4031IDR at 1 MHz and RL = 150Ω is –81 dBc.
- What is the input offset voltage of the THS4031IDR?
The input offset voltage of the THS4031IDR is typically 0.3 mV.
- What is the output current drive capability of the THS4031IDR?
The output current drive capability of the THS4031IDR is typically 200 mA.
- What is the supply voltage range for the THS4031IDR?
The supply voltage range for the THS4031IDR is from ±4.5 V to ±16.5 V.
- What is the typical supply current per amplifier for the THS4031IDR?
The typical supply current per amplifier for the THS4031IDR is 7.5 mA.
- What are some common applications of the THS4031IDR?
The THS4031IDR is commonly used in low-noise, wide-band amplifiers, voltage-controlled oscillators, active filters, video amplifiers, cable drivers, ultrasound scanners, vector signal transceivers (VST), and data acquisition (DAQ) systems.
- What are the package options available for the THS4031IDR?
The THS4031IDR is available in D (SOIC, 8-pin) and DGN (HVSSOP, 8-pin) packages.
