Overview
The VCA824IDR, manufactured by Texas Instruments, is a high-performance, variable gain amplifier (VGA) designed for applications requiring precise gain control and wide bandwidth. This component is part of the VCA824 series and is housed in a 14-SOIC package, making it suitable for surface-mount technology. It is widely used in industries such as telecommunications, medical imaging, and industrial automation due to its exceptional linearity and gain range.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Bandwidth | 710 | MHz | Small signal bandwidth (G = 2V/V) |
| Gain Range | 40 | dB | Adjustable range |
| Slew Rate | 2500 | V/µs | Typical value |
| Supply Voltage | ±4 to ±6 | V | Single/Dual supply |
| Operating Temperature | -40 to 85 | °C | Range |
| Input Bias Current | 19 | µA | Typical value |
| Output Current | ±90 | mA | Maximum value |
| Package | 14-SOIC | Surface mount |
Key Features
- Wide bandwidth of 710 MHz for high-frequency applications.
- Linear gain control with a range of up to 40 dB.
- High slew rate of 2500 V/µs ensures fast signal response.
- Differential to single-ended conversion capability.
- Operates on a dual supply voltage of ±4V to ±6V, suitable for various power configurations.
Applications
The VCA824IDR is ideal for use in a variety of applications including differential line receivers, differential equalizers, pulse amplitude compensation, and voltage-tunable active filters. Its precise gain control and high bandwidth make it particularly useful in medical imaging equipment and communication systems where signal integrity is paramount.
Q & A
What is the bandwidth of the VCA824IDR?
The VCA824IDR has a small signal bandwidth of 710 MHz when the gain is set to 2V/V.
Can the VCA824IDR operate on a single supply voltage?
No, the VCA824IDR requires a dual supply voltage ranging from ±4V to ±6V.
What is the typical slew rate of the VCA824IDR?
The typical slew rate is 2500 V/µs.
What is the gain range of the VCA824IDR?
The gain can be adjusted over a range of up to 40 dB.
What are the common applications of the VCA824IDR?
Common applications include differential line receivers, differential equalizers, and medical imaging equipment.
What is the operating temperature range for the VCA824IDR?
It operates within a temperature range of -40°C to 85°C.
What package does the VCA824IDR come in?
It is available in a 14-SOIC surface-mount package.
What is the input bias current of the VCA824IDR?
The typical input bias current is 19 µA.
What is the maximum output current of the VCA824IDR?
The maximum output current is ±90 mA.
Is the VCA824IDR suitable for high-frequency applications?
Yes, its high bandwidth and slew rate make it suitable for high-frequency applications.
