AD9927 Analog Devices, AD9927 Datasheet

AD9927

Manufacturer Part Number

AD9927

Description

14-Bit CCD Signal Processor

Manufacturer

Analog Devices

Datasheet

1.AD9927.pdf (100 pages)

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Meier Automation Equipment Co., Limited

Part Number:

AD9927BBCZRL

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ADI/亚德诺

Quantity:

20 000

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FEATURES

Integrated 18-channel V-driver

1.8 V AFETG core

Internal LDO regulator and charge pump circuitry

Compatibility with 3 V or 1.8 V systems

24 programmable vertical clock signals

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

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

14-bit, 40 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

On-chip driver for external crystal

On-chip sync generator with external sync input

128-lead CSP_BGA package, 9 mm × 9 mm, 0.65 mm pitch

APPLICATIONS

Digital still cameras

Rev. 0

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 registered trademarks are the property of their respective owners.

+3 dB, and +6 dB gain

system support

V1A-V6 (3-LEVEL)

V7-V15 (2-LEVEL)

1.8V OUTPUT

3V OUTPUT

1.8V INPUT

H1 TO H8

3V INPUT

SUBCK

CCDIN

–3dB, 0dB, +3dB, +6dB

CDS

VERTICAL

XSUBCNT

DRIVER

CHARGE

PUMP

REG

LDO

14-Bit CCD Signal Processor with V-Driver

HORIZONTAL

FUNCTIONAL BLOCK DIAGRAM

DRIVERS

XV1 TO XV24

XSUBCK

6dB TO 42dB

VGA

GP01 TO GP08

VERTICAL

CONTROL

TIMING

REFT REFB

Figure 1.

and Precision Timing

VREF

INTERNAL CLOCKS

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

Tel: 781.329.4700

Fax: 781.461.3113

GENERAL DESCRIPTION

The AD9927 is a highly integrated CCD signal processor for

digital still camera applications. It includes a complete analog

front end with A/D conversion, combined with a full-function

programmable timing generator and 18-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 18 channels for use with 5-field

CCDs. A Precision Timing core allows adjustment of high speed

clocks with approximately 400 ps resolution at 40 MHz

operation. The AD9927 also contains eight general-purpose

outputs, which can be used for shutter and system functions.

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

and a 14-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.

The AD9927 is specified over an operating temperature range

of –25°C to +85°C.

CLAMP

GENERATOR

14-BIT

PRECISION

ADC

TIMING

SYNC

VD SYNC

CLI

CLO

AD9927

REGISTERS

INTERNAL

RSTB

DOUT

SCK

SDATA

Generator

AD9927

www.analog.com

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