AD9842AJSTRL

$10.55

Description：IC CCD SIGNAL PROC 12BIT 48-LQFP
Series：-

SKU:96e725505574 Category: Sensor and Detector Interfaces Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC CCD SIGNAL PROC 12BIT 48-LQFP
Series：-
Mfr：Analog Devices Inc.
Package：Bulk
Type：CCD Signal Processor, 12-Bit
Input Type：Logic
Output Type：Logic
Current - Supply：-
Operating Temperature：-20°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：48-LQFP
Supplier Device Package：48-LQFP (7x7)
Grade：-
Qualification：-

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AD9842AJSTRL

Overview

The AD9842AJSTRL is a complete analog signal processor for CCD applications, featuring a true 12-bit A/D converter operating at 20 MSPS. It includes a 20 MHz Correlated Double Sampler (CDS), a 6-Bit Pixel Gain Amplifier (PxGA) with 4 dB to 6 dB gain, and a 10-Bit Variable Gain Amplifier (VGA) providing 2 dB to 36 dB gain. The device operates from a single 3 V supply, dissipating 78 mW in normal operation. It utilizes a 3-wire serial digital interface for register programming and is housed in a 48-lead LQFP package.

Feature Summary

Integrated 12-bit ADC with 20 MSPS sampling rate
Programmable PxGA and VGA for precise signal conditioning
Low noise input clamp circuits with analog preblanking
Single 3 V power supply operation

Applications

Digital Still Cameras
Digital Video Camcorders

Procurement Notes

Verify the ordering suffix JSTRL indicates tape and reel packaging when sourcing components. Confirm the temperature range matches the -20°C to +85°C specification for industrial environments. Ensure the component is sourced from authorized distributors to guarantee authenticity and traceability of the Analog Devices Inc. product.

Selection Notes

Select the AD9842AJSTRL over the AD9841A variant when a true 12-bit resolution is required for high-fidelity image processing. This model is suitable for interlaced and progressive scan area CCD arrays. Verify that the system design supports the 48-lead LQFP package dimensions and the 3-wire serial interface timing requirements.

Part Context

This component belongs to the AD984xA family of complete CCD signal processors manufactured by Analog Devices Inc. The AD9842A variant specifically provides 12-bit ADC resolution compared to the 10-bit resolution of the AD9841A. Both models share identical signal chain architectures and are designed for low-power, single-supply video imaging applications.