AD9979BCPZ

更新时间： 2024-01-02 00:05:51

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
56页	589K
描述
14-Bit, CCD Signal Processor with Precision Timing Core

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AD9979BCPZ 数据手册

14-Bit, CCD Signal Processor with

Precision Timing Core

AD9979

FEATURES

GENERAL DESCRIPTION

1.8 V analog and digital core supply voltage

Correlated double sampler (CDS) with –3 dB, 0 dB, +3 dB, and

+6 dB gain

The AD9979 is a highly integrated CCD signal processor for

high speed digital video camera applications. Specified at pixel

rates of up to 65 MHz, the AD9979 consists of a complete

analog front end with analog-to-digital conversion, combined

with a programmable timing driver. The Precision Timing core

allows adjustment of high speed clocks with approximately

240 ps resolution at 65 MHz operation.

6 dB to 42 dB 10-bit variable gain amplifier (VGA)

14-bit 65 MHz analog-to-digital converter

Black-level clamp with variable level control

Complete on-chip timing generator

Precision Timing™ core with 240 ps resolution @ 65 MHz

On-chip 3 V horizontal and RG drivers

General-purpose outputs (GPOs) for shutter and system

support

The analog front end includes black-level clamping, CDS, VGA,

and a 65 MSPS, 14-bit analog-to-digital converter (ADC). The

timing driver provides the high speed CCD clock drivers for RG,

HL, and H1 to H4. Operation is programmed using a 3-wire

serial interface.

7 mm × 7 mm, 48-lead LFCSP

Internal LDO regulator circuitry

Available in a space-saving, 7 mm × 7 mm, 48-lead LFCSP,

the AD9979 is specified over an operating temperature range of

−25°C to +85°C.

APPLICATIONS

Professional HDTV camcorders

Professional/high end digital cameras

Broadcast cameras

Industrial high speed cameras

FUNCTIONAL BLOCK DIAGRAM

REFT

REFB

AD9979

VREF

CCDINP

CCDINM

DOUT

D0 TO D13

ADC

CDS

VGA

6dB TO 42dB

–3dB, 0dB, +3dB, +6dB

CLAMP

LDOOUT

LDO

INTERNAL CLOCKS

PRECISION

TIMING

CORE

CLI

HORIZONTAL

DRIVERS

H1 TO H4

SYNC

GENERATOR

INTERNAL

REGISTERS

GPO1 GPO2

SCK

SDI

Figure 1.

Rev. C

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

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