XRD98L59

更新时间： 2024-11-08 22:34:47

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
37页	349K
描述
CCD Image Digitizers with CDS, PGA and 10-Bit A/D

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XRD98L59 数据手册

XRD98L59

CCD Image Digitizers with

CDS, PGA and 10-Bit A/D

January 2001-2

FEATURES

• 5µA Typical Stand By Mode Current

• 10-bitResolutionADC

• 20MHzSamplingRate

• Three-StateDigitalOutputs

• 2,000V ESD Protection

• 28-pin TSSOP Package

• Programmable Gain: 6dB to 38dB PGA

(2x to 80x)

• ImprovedDigitallyControlledOffset-Calibration

with Pixel Averager and Hot Pixel Clipper

APPLICATIONS

• DNS Filter Removes Black Level Digital Noise

• Digital Still Cameras

• DigitalCamcorders

• PC Video Cameras

• CCTV/SecurityCameras

• Industrial/MedicalCameras

• 2DBarCodeReaders

• HighSpeedScanners

• DigitalCopiers

• Widest Black Level Calibration Range at

Maximum Gain

• Manual Control of Offset DAC via Serial Port for

Use with High Speed Scanners

• 2ns/step Programmable Aperture Delay on SPIX

and SBLK

• Single 2.7V to 3.6V Power Supply

• Low Power for Battery Operation:120mW @ V_DD=3V

GENERALDESCRIPTION

The XRD98L59 is a complete low power CCD Image

Digitizer for digital, motion and still cameras. The

product includes a high bandwidth differential Corre-

lated Double Sampler (CDS), 8-bit digitally Program-

mable Gain Amplifier (PGA), 10-bit Analog-to-Digital

Converter (ADC) and improved digitally controlled

blacklevelauto-calibrationcircuitrywithpixelaverager

hot pixel clipper, and a DNS filter.

Theautocalibrationcircuitcompensatesforanyinter-

naloffsetoftheXRD98L59aswellasblackleveloffset

from the CCD.

The PGA and black level auto-calibration are con-

trolled through a simple 3-wire serial interface. The

timing circuitry is designed to enable users to select a

wide variety of available CCD and image sensors for

theirapplications.

The Correlated Double Sampler (CDS) subtracts the

CCD output signal black level from the video level.

Common mode signal and power supply noise are

rejected by the differential CDS input stage.

The XRD98L59 has direct access to the ADC input for

digitizing other analog signals. The XRD98L59 is

packaged in 28-lead surface mount TSSOP to reduce

space and weight, and is suitable for hand-held and

portableapplications.

The PGA is digitally controlled with 8-bit resolution on

a linear dB scale, resulting in a gain range of 6dB to

38dB with 0.125dB per LSB of the gain code.

ORDERINGINFORMATION

Operating

Temperature Range Power Supply Sampling Rate

-40°C to 85°C 3.0V 20 MSPS

Maximum

Part No.

Package

XRD98L59AIG

28-Lead TSSOP

Rev.2.00

EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com

12 3 4 5 6 7...37

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与XRD98L59相关器件

型号	品牌	获取价格	描述	数据表
XRD98L59AIG	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 10-Bit A/D
XRD98L59AIU	EXAR	获取价格	Consumer Circuit, PDSO28, 5.30 MM, SSOP-28
XRD98L61	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L61_01	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L61AIV	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L61AIV-F	EXAR	获取价格	Consumer Circuit, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, GREEN, TQFP-48
XRD98L62	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L62ACV	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L62ACV-F	EXAR	获取价格	Consumer Circuit, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, GREEN, TQFP-48
XRD98L63	EXAR	获取价格	CCD Image Digitizers with CDS, PGA and 12-Bit A/D

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