AD9948KCPRL

Overview

The AD9948KCPRL is a highly integrated CCD signal processor designed for digital still camera applications. It features a complete analog front end with A/D conversion and a programmable timing driver, specified at pixel rates up to 25 MHz. The device includes a Correlated Double Sampler (CDS), a Pixel Gain Amplifier (PxGA) with 0 dB to 18 dB gain, and a Variable Gain Amplifier (VGA) providing 6 dB to 42 dB gain. It incorporates a 10-bit ADC operating at 25 MSPS and a Precision Timing core with 800 ps resolution. The component operates on a single 3 V supply within an ambient temperature range of –20°C to +85°C.

Feature Summary

• Integrates a complete analog front end including CDS, PxGA, VGA, black level clamp, and a 10-bit ADC.
• Features a Precision Timing core that allows adjustment of high-speed clocks with 800 ps resolution.
• Includes on-chip 3 V horizontal and RG drivers capable of directly driving CCD inputs.
• Configurable via a 3-wire serial interface for register programming and control.

Applications

• Digital Still Cameras
• High Speed Digital Imaging Applications

Procurement Notes

Verify the specific ordering suffix RL indicates reel packaging when sourcing components. Confirm the K suffix corresponds to the industrial temperature range of –20°C to +85°C. Ensure compatibility with the 40-lead LFCSP package dimensions during integration. Check current availability status as distribution may vary by region.

Selection Notes

Select this model for systems requiring a 10-bit resolution and a maximum sampling rate of 25 MSPS. Verify that the required CCD line length does not exceed the internal counter limits. Ensure the design supports the 3-wire serial interface for timing configuration. Consider the power dissipation characteristics relative to the thermal resistance of the LFCSP package.

Part Context

This component belongs to the Analog Devices AD9948 family of CCD signal processors. It serves as a specialized analog front-end solution for converting CCD signals into digital data. The part is distinct from higher-resolution variants like the AD9949, which offers 12-bit processing capabilities.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.