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HD Image Signal Processors consume 280 and 530 mW.

Press Release Summary:



With 75 MSPS dual-channel Model AD9978A and 72 MSPS quad-channel Model ADDI7004, designers can create multi-channel CCD or CMOS HD image acquisition systems. Units combine image signal conditioning circuitry, 14-bit ADC, and Precision Timing® core, which provides adjustments for correlated double sampler and sample-and-hold amplifier clocks with 210 ps resolution at 75 MHz for AD9978A and 217 ps at 72 MHz for ADDI7004. Both processors also contain LVDS interface for image-data outputs.



Original Press Release:



Analog Devices Enables HD Image Acquisition with Single-Chip Solutions for Medical, Industrial and Scientific Designs



- AD9978A and ADDI7004 HD image signal processors combine image signal conditioning circuitry, a 14-bit ADC, and precision timing core to enable high-speed digital imaging.

NORWOOD, Mass.--As medical, industrial and scientific markets increasingly adopt high-definition (HD) image acquisition systems, designers of such systems must confront a host of signal-processing complexities in order to accurately capture and record high-resolution images. To address these challenges, Analog Devices, Inc. (ADI), the leading provider of AFE (analog front end) technology in digital imaging applications and the leading provider of data-conversion technology, today introduced two high-performance, highly integrated 14-bit HD image signal processors: the 75 MSPS dual-channel AD9978A--the industry's fastest-- and the 72 MSPS quad-channel ADDI7004. These single-chip solutions enable designers to create multi-channel CCD (charge-coupled device) or CMOS (complementary metal-oxide semiconductor) HD image acquisition systems that can deliver the degree of clarity, visibility and accuracy needed for today's high-resolution requirements.

Many leading manufacturers of digital still cameras, camcorders, scanners and other imaging systems depend on Analog Devices to deliver the highest performance products with the lowest power dissipation available. Analog Devices' 75 MSPS dual-channel AD9978A and 72 MSPS quad-channel ADDI7004 HD image signal processors enable the high-resolution, high-speed sampling of signals from advanced image sensors, while consuming very little power-280 mW (milliwatts) and 530 mW, respectively.

"Until today, high-performance imaging system designers were forced to use multiple high-power components to sample image signals at HD rates," said Stuart Boyd, product line director, Digital Imaging Systems, Analog Devices. "By integrating high-performance signal conditioning circuitry, a 14-bit data converter, and a precision timing core into a single HD image acquisition solution, designers can achieve an unequalled combination of speed and accuracy in high-speed, high-resolution digital imaging systems, while eliminating the power dissipation limitations that restrict portability and increase design cost."

Accurate and Sharp HD Images for High-speed Applications

The AD9978A and ADDI7004 devices extend Analog Devices' family of AD997x image signal processors for high-speed digital imaging applications. Each channel integrates a complete AFE comprising a black-level clamp, a CDS (correlated double sampler), a 10-bit VGA (variable gain amplifier), and a 14-bit ADC (analog-to-digital converter). Analog Devices' Precision Timing® core provides adjustments for the CDS and SHA (sample-and-hold amplifier) clocks with 210 ps (picosecond) resolution at 75 MHz (AD9978A) and 217 ps at 72 MHz (ADDI7004). The AD9978A and ADDI7004 also contain a reduced range LVDS (low-voltage differential signaling) interface for the image-data outputs to increase performance and reduce EMI (electromagnetic interference) issues.

Single-chip Solutions for Multiple, Low-power Designs

The AD9978A and ADDI7004 reduce component count and power consumption without sacrificing performance, dynamically lowering power consumption at lower frequencies to extend battery life. The power consumption of each device is proportional to its sampling frequency. Both high-resolution image signal processors support designers' efforts to standardize their image sensor interface designs across multiple platforms, eliminating the need to change or add additional components and reducing overall system cost across several models. Additionally, the AD9978A offers pin-for-pin compatibility with the industry-standard AD9978 14-bit CCD signal processor, enabling designers to easily change existing designs to deliver high-end performance.

Availability and Pricing
Product       Availability       Resolution       Data Rate        Price       Package
(Bits) (MSPS) Each
per
1,000
Dual-channel
AD9978A Now 14-bit 75 MSPS $25.32 6-mm × 6-mm, 40
LFCSP (lead-frame
chip-scale package)

Quad-channel
ADDI7004 Now 14-bit 72 MSPS $48.12 6-mm x 6-mm, 76-ball
BGA (ball grid
array)


For more information about AD9978A and the ADDI7004, visit www.analog.com/pr/AD9978A and www.analog.com/pr/ADDI7004. Watch an in-depth webcast on Practical Guide to High-Speed PCB Layout. For more information about ADI's digital imaging AFE offerings visit www.analog.com/pr/digitalimaging.

About Analog Devices

Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged throughout the industry as the world leader in data conversion and signal conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' common stock is listed on the New York Stock Exchange under the ticker "ADI" and is included in the S&P 500 Index. www.analog.com.
Precision Timing is registered trademark of Analog Devices, Inc. All other trademarks are the property of their respective owners.

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