Overview
The VCA824IDGSR is a high-performance, wideband, voltage-controlled gain amplifier (VGA) manufactured by Texas Instruments. This model is designed for applications requiring precise gain control with high linearity and bandwidth. It is part of Texas Instruments' portfolio of variable gain amplifiers, targeting industries such as telecommunications, medical imaging, and industrial automation. The VCA824IDGSR stands out for its exceptional gain range, high output current, and robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Amplifier Type | Variable Gain | - | - |
| Circuit Count | 1 | - | - |
| Slew Rate | 2500 | V/µs | - |
| -3dB Bandwidth | 710 | MHz | - |
| Input Bias Current | 19 | µA | - |
| Input Offset Voltage | 4 | mV | - |
| Supply Current | 36.5 | mA | - |
| Output Current | 90 | mA | - |
| Supply Voltage | ±4 to ±6 | V | Single/Dual |
| Operating Temperature | -40 to 85 | °C | - |
| Package | 10-VSSOP | - | Surface Mount |
Key Features
- Wideband performance with a -3dB bandwidth of 710MHz.
- High slew rate of 2500 V/µs for fast signal processing.
- Gain adjustment range greater than 40dB for precise control.
- High output current of ±90mA for driving low-impedance loads.
- Robust operation across a wide temperature range (-40°C to 85°C).
Applications
The VCA824IDGSR is ideal for applications requiring variable gain amplification with high linearity and bandwidth. Common use cases include differential line receivers, pulse amplitude compensation, and voltage-adjustable active filters. Its high performance makes it suitable for telecommunications, medical imaging, and industrial automation systems.
Q & A
What is the gain adjustment range of the VCA824IDGSR?
The gain adjustment range is greater than 40dB.
What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
What is the supply voltage range?
The supply voltage range is ±4V to ±6V.
What is the slew rate of the VCA824IDGSR?
The slew rate is 2500 V/µs.
What is the -3dB bandwidth?
The -3dB bandwidth is 710MHz.
What is the output current capability?
The output current capability is ±90mA.
What is the input bias current?
The input bias current is 19µA.
What is the input offset voltage?
The input offset voltage is 4mV.
What is the package type?
The package type is 10-VSSOP.
Is the VCA824IDGSR suitable for high-frequency applications?
Yes, its wideband performance and high slew rate make it suitable for high-frequency applications.
