VSP1221PFB

Overview

The VSP1221PFB is a 12-bit, 21-MSPS ultralow-power CCD signal processor manufactured by Texas Instruments. It integrates a correlated double sampler (CDS), an analog programmable-gain amplifier (PGA) with a range of 0 dB to 36 dB, and a pipelined ADC. The device operates from a single 3-V supply and consumes a minimum of 70 mW in active mode, dropping to 4 mW in power-down. It features low input-referred noise with a typical SNR of 75 dB at 0-dB gain. The component includes two 8-bit DACs for external settings and utilizes a serial port for register configuration.

Feature Summary

• Integrates a 12-bit, 21-MSPS pipelined ADC with a correlated double sampler and analog PGA stage
• Features novel optical-black calibration and offset correction loops for image quality enhancement
• Includes two 8-bit digital-to-analog converters for flexible external analog control
• Supports programmable gain ranging from 0 dB to 36 dB with fine resolution

Applications

• Digital still cameras
• Digital video cameras

Procurement Notes

Verify the current production status before design implementation, as this component may be classified as Not Recommended For New Designs. Confirm that the 48-pin TQFP package dimensions align with your PCB layout requirements. Ensure the single 3-V supply voltage matches your system architecture. Validate that the specified operating temperature range meets your environmental constraints.

Selection Notes

Select this component when designing systems requiring integrated CCD signal conditioning and digitization. It is suitable for applications needing low power consumption and high dynamic range imaging. Consider the 48-pin TQFP package size during mechanical design. Verify compatibility with the required serial interface protocols for internal register configuration.

Part Context

This part belongs to Texas Instruments' specialized mixed-signal IC portfolio designed for imaging applications. It combines analog front-end processing with high-speed conversion capabilities. The device addresses the specific needs of CCD sensor interfaces by providing necessary signal conditioning stages within a single integrated circuit solution.

Replacement Considerations

Check for updated components recommended for new designs if this part is marked as not recommended for new designs. Evaluate alternative signal processors with similar integration levels and performance specifications.