AD9844AJST The AD9844AJST is a complete analog signal processor for CCD applications from Analog Devices. It features a 12-bit, 20 MSPS A/D converter and operates from a single 3V supply.
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AD9844AJST

Available from 1 distributors
Mfr Name: ADI Electronics
ADI Electronics
The AD9844AJST is a complete analog signal processor for CCD applications from Analog Devices. It features a 12-bit, 20 MSPS A/D converter and operates from a single 3V supply.
Total Stock: 1,000 pcs
$ Price Range: $0.30

AD9844AJST Available from 1 distributor

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AD9844AJST Specifications Quick View

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AD9844AJST Description

Short technical summary and product information.

The AD9844AJST from Analog Devices is a comprehensive analog signal processor designed for CCD applications. It is engineered to sample and condition outputs from interlaced and progressive scan area CCD arrays. The signal chain includes an input clamp, correlated double sampler (CDS), digitally controlled variable gain amplifier (VGA), black level clamp, and a 12-bit Analog-to-Digital Converter (ADC).

 

This processor supports a 20 MSPS sampling rate and features a 12-bit resolution ADC. It offers a variable gain amplifier with a range of 2 dB to 36 dB and a CDS gain with 6-bit resolution from 4 dB to 6 dB. The device operates from a single 3V power supply, typically consuming 65 mW at 2.7V.

 

Programmable features are accessible via a 3-wire serial digital interface, allowing adjustments for gain, black level, input configuration, and power-down modes. The AD9844AJST is housed in a 48-lead LQFP package, making it suitable for space-constrained designs.

 

Applications for the AD9844AJST include digital still cameras, digital video camcorders, and PC cameras, where precise analog signal conditioning is critical for image quality.

AD9844AJST Quick Information

Product Type: CCD Signal Processor
Canonical Name: AD9844AJST Complete 12-Bit 20 MSPS CCD Signal Processor
Subcategory: Analog Signal Processing

AD9844AJST Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD9844AJST Estimated Pricing

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1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

AD9844AJST Features

  • Complete 12-Bit 20 MSPS CCD Signal Processor.
  • Variable Gain Amplifier (VGA) from 2 dB to 36 dB.
  • 12-Bit 20 MSPS A/D Converter included.
  • 3-Wire Serial Digital Interface for programming.
  • Low Power: 65 mW @ 2.7 V Supply.

AD9844AJST Applications

  • Ideal for digital still cameras.
  • Suitable for digital video camcorders.
  • Used in PC camera designs.
  • Processes interlaced and progressive scan CCDs.

AD9844AJST FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the AD9844AJST?

The operating temperature range is -20°C to 85°C.

What is the supply voltage for the AD9844AJST?

The device operates from a single supply voltage between 2.7V and 3.6V.

What is the maximum clock rate for the AD9844AJST?

The maximum clock rate is 20 MHz.

What is the resolution of the A/D converter in the AD9844AJST?

The A/D converter has a resolution of 12 Bits.

What package type is the AD9844AJST available in?

The AD9844AJST is available in a 48-lead LQFP package.

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