BUF16821BIPWPR

Video Amps And Modules Overview

The BUF16821BIPWPR is an LCD gamma buffer manufactured by Texas Instruments, designed for programmable gamma voltage generation and VCOM calibration in display applications. It features a 28-pin HTSSOP package with surface-mount installation. The device operates within a supply voltage range of 2V to 5.5V or 9V to 20V, depending on configuration, and supports rail-to-rail output. Each channel delivers up to 30mA of output current. It functions across a temperature range from -40°C to +85°C with a maximum operating supply current of 12mA.

Video Amps And Modules Feature Summary

• Integrated programmable gamma voltage generation for precise display color accuracy
• Dedicated VCOM calibration capability for stable liquid crystal operation
• Rail-to-rail output stage ensuring full signal swing utilization
• High drive strength per channel supporting capacitive LCD loads

Video Amps And Modules Applications

• TFT-LCD panel gamma buffer circuits
• VCOM driver stages in mobile displays
• Programmable voltage reference generation for display controllers
• Liquid crystal display signal conditioning modules
• Portable electronic device display subsystems

Video Amps And Modules Procurement Notes

Verify the specific suffix IPWPR against the official Texas Instruments datasheet to confirm pinout and thermal characteristics. Ensure compatibility with the target PCB footprint for the HTSSOP-28 package. Confirm moisture sensitivity level requirements for reflow soldering processes. Validate that the supply voltage range matches the system design constraints before procurement.

Video Amps And Modules Selection Notes

Select this component when designing LCD drivers requiring integrated gamma and VCOM buffering in a compact form factor. The HTSSOP-28 package offers a balance of thermal performance and space efficiency. Consider the 30mA per-channel drive capability for driving typical TFT-LCD gate or source lines. Verify that the operating temperature range meets the environmental specifications of the final application.

Video Amps And Modules Part Context

This part belongs to the BUF16821 series of LCD gamma buffers from Texas Instruments. It is distinct from the BUF08821, which utilizes a smaller 20-pin HTSSOP package. The BUF16821EVM-USB serves as the evaluation kit for this device family. It is categorized under amplifier ICs specifically optimized for display signal processing rather than general-purpose audio or video amplification.

Video Amps And Modules Replacement Considerations

Official substitute part numbers are not explicitly confirmed in the provided documentation. Designers should consult the latest Texas Instruments product selection guide for qualified alternatives within the same series. Cross-referencing pinouts and electrical parameters with the original datasheet is essential before substituting any component.