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AD9920ABBCZRL

更新时间： 2024-11-27 12:53:43

品牌	Logo	应用领域
亚德诺 - ADI		驱动器消费电路商用集成电路
页数	文件大小	规格书
112页	1187K
描述
12-Bit CCD Signal Processor with V-Driver and Precision Timing Generator

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AD9920ABBCZRL 数据手册

12-Bit CCD Signal Processor with V-Driver

and Precision Timing Generator

AD9920A

FEATURES

GENERAL DESCRIPTION

Integrated 19-channel V-driver

1.8 V AFETG core

24 programmable vertical clock signals

The AD9920A is a highly integrated charge-coupled device (CCD)

signal processor for digital still camera applications. It includes a

complete analog front end (AFE) with analog-to-digital conversion,

Correlated double sampler (CDS) with −3 dB, 0 dB,

+3 dB, and +6 dB gain

12-bit, 40.5 MHz analog-to-digital converter (ADC)

Black level clamp with variable level control

Complete on-chip timing generator

Precision Timing core with ~400 ps resolution

On-chip 3 V horizontal and RG drivers

General-purpose outputs (GPOs) for shutter and

system support

On-chip sync generator with external sync input

On-chip 1.8 V low dropout (LDO) regulator

105-ball, 8 mm × 8 mm CSP_BGA package

combined with a full-function programmable timing generator

and 19-channel vertical driver (V-driver). The timing generator

is capable of supporting up to 24 vertical clock signals to control

advanced CCDs. The on-chip V-driver supports up to 19 channels

for use with six-field CCDs. A Precision Timing® core allows adjust-

ment of high speed clocks with approximately 400 ps resolution

at 40.5 MHz operation. The AD9920A also contains six GPOs

that can be used for shutter and system functions.

The analog front end includes black level clamping, variable

gain CDS, and a 12-bit ADC. The timing generator provides all

the necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate

pulses, substrate clock, and substrate bias control.

APPLICATIONS

The AD9920A is specified over an operating temperature range

of −25°C to +85°C.

Digital still cameras

FUNCTIONAL BLOCK DIAGRAM

REFT REFB

AD9920A

–3dB, 0dB, +3dB, +6dB

CDS

VREF

12-BIT

ADC

VGA

CCDIN

D0 TO D11

DCLK

6dB TO 42dB

CLAMP

LDOIN

LDO

REG

LDOOUT

INTERNAL CLOCKS

PRECISION

TIMING

GENERATOR

HORIZONTAL

DRIVERS

INTERNAL

REGISTERS

SCK

H1 TO H8

XV1 TO XV24

SDATA

V1A TO V6 (3-LEVEL)

V7 TO V16 (2-LEVEL)

VERTICAL

GPO5

GPO6

VERTICAL

DRIVER

TIMING

SYNC

GENERATOR

CONTROL

SUBCK

XSUBCK

XSUBCNT

GPO1 TO GPO4,

GPO7, GPO8

CLI CLO

SYNC/RST

Figure 1.

Rev. B

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

12 3 4 5 6 7...112

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AD9920ABBCZRL 替代型号

型号	品牌	替代类型	描述	数据表
AD9920ABBCZ	ADI	完全替代	12-Bit CCD Signal Processor with V-Driver and Precision Timing Generator
USB3803C-1-GL-TR	MICROCHIP	功能相似	SPECIALTY CONSUMER CIRCUIT

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