TLV990-21

更新时间： 2024-11-09 22:16:27

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
22页	310K
描述
3-V,10-BIT,21-MSPS AREA CCD ANALOG FRONT END

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中文翻译

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数据手册

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TLV990-21 数据手册

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SLAS299A − AUGUST 2000 − REVISED MARCH 2004

features

application

Single-Chip CCD Analog Front-End

Digital Still Camera

Video Camcorder

10-Bit, 21-MSPS, Single 3-V Supply

Operation A/D Converter

PFB PACKAGE

(TOP VIEW)

Very Low Power: 150-mW Typical, 2-mW

Power-Down Mode

Differential Nonlinearity Error:

< 0.5 LSB Typical

Integral Nonlinearity Error:

< 0.75 LSB Typical

36 35 34 33 32 31 30 29 28 27 26 25

Programmable Gain Amplifier (PGA) With

0-dB to 36-dB Gain Range (0.045 dB/Step)

AGND5

RBD

SCKP

DACO2

DACO1

AGND3

RMD

RPD

Automatic or Programmable Optical Black

Level and Offset Calibration With Digital

Filter and Bad Pixel Limits

DD5

TLV990−21PFB

DD3

Additional DACs for External Analog

Setting

DIGND

DIV

DD1

AGND1

Serial Interface for Register Configuration

Internal-Reference Voltages

SV 46

CLCCD

CLREF

48-Pin TQFP Package

description

9 10 11 12

The TLV990-21 is a complete CCD signal

processor/digitizer designed for digital still

camera and PC camera applications. The

TLV990-21 performs all the analog-processing

functions necessary to maximize the dynamic range, corrects various errors associated with the CCD sensor,

and then digitizes the results with an on-chip high-speed analog-to-digital converter (ADC).

The key components of the TLV990-21 include: an input clamp circuit for CCD signal, a correlated double

sampler (CDS), a programmable-gain amplifier (PGA) with 0 to 36-dB gain range, two internal digital-to-analog

converters (DAC) for automatic or programmable optical black level and offset calibration, a 10-bit, 21-MSPS

pipeline ADC, a parallel data port for easy microprocessor interface, a serial port for configuring internal control

registers, two additional DACs for external system control, and internal reference voltages.

Designed in advanced CMOS process, the TLV990-21 operates from a single 3-V power supply with a normal

power consumption of 150 mW at 21 MSPS and 2 mW in power-down mode.

Its very high throughput rate, single 3-V operation, very low-power consumption, and fully-integrated

analog-processing circuitry make the TLV990-21 an ideal CCD signal-processing solution for digital still

cameras and electronic video camcorder applications.

This device is available in a 48-pin TQFP package and is specified over a –20°C to 75°C operating-temperature

range.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...22

中文翻译

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与TLV990-21相关器件

型号	品牌	获取价格	描述	数据表
TLV990-21PFB	TI	获取价格	3-V,10-BIT,21-MSPS AREA CCD ANALOG FRONT END
TLV990-28	TI	获取价格	3-V, 10-BIT, 28-MSPS AREA CCD ANALOG FRONT END
TLV990-28PFB	TI	获取价格	3-V, 10-BIT, 28-MSPS AREA CCD ANALOG FRONT END
TLV990-28PFBG4	TI	获取价格	3-V, 10-BIT, 28-MSPS AREA CCD ANALOG FRONT END
TLV990-40	TI	获取价格	3-V, 10-BIT, 40-MSPS AREA CCD ANALOG FRONT-END
TLV990-40PFB	TI	获取价格	3-V, 10-BIT, 40-MSPS AREA CCD ANALOG FRONT-END
TLV990-40PFBG4	TI	获取价格	3-V, 10-BIT, 40-MSPS AREA CCD ANALOG FRONT-END
TLV990APFB	TI	获取价格	SPECIALTY CONSUMER CIRCUIT, PQFP48, PLASTIC, TQFP-48
TLV990B	TI	获取价格	3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR
TLV990BPFB	TI	获取价格	3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR

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