VCA820ID

Instrumentation, Op Amps, Buffer Amps Overview

The VCA820ID is a wideband variable gain amplifier from Texas Instruments, housed in a 14-SOIC package. It features a 150 MHz bandwidth and a linear-in-dB gain control range of 40 dB. The device operates on a single supply voltage ranging from 7 V to 12 V. Key electrical specifications include a slew rate of 1.7 kV/µs, an input offset voltage of 17 mV, and an input bias current of 25 µA. It supports a maximum output current of 160 mA per channel and functions within a temperature range of -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides linear-in-dB gain control for precise signal amplitude adjustment
• Delivers wideband performance with 150 MHz bandwidth
• Supports high-speed operation with a 1.7 kV/µs slew rate

Instrumentation, Op Amps, Buffer Amps Applications

• Wireless communication systems requiring dynamic range control
• Instrumentation and test equipment signal conditioning
• Medical imaging system front-end amplification

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix against the official datasheet to confirm package type and tape/reel specifications. Ensure the ordering part number matches the required pin configuration and manufacturing revision. Cross-reference the manufacturer's latest documentation to confirm RoHS compliance status and any recent design changes before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a wideband VGA with linear gain characteristics is required. Compare the 150 MHz bandwidth against application signal frequencies. Evaluate the 7 V to 12 V supply requirement against available power rails. Consider the 14-SOIC footprint for PCB layout constraints and thermal management needs relative to similar family members.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the VCA820 series of wideband variable gain amplifiers. It is designed for applications demanding high linearity and broad frequency response. The SOIC-14 package provides a standard surface-mount solution for integration into compact electronic designs requiring analog signal processing capabilities.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Check the VCA820IDR variant for identical functionality in a reel-packaged format. Verify compatibility with other VCA820 series devices if pin-out or electrical parameters differ slightly.