AD775JR

更新时间： 2024-09-24 22:49:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
12页	335K
描述
8-Bit 20 MSPS, 60 mW Sampling A/D Converter

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AD775JR 数据手册

8-Bit 20 MSPS, 60 mW

Sampling A/D Converter

AD775

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

CMOS 8-Bit 20 MSPS Sam pling A/ D Converter

Low Pow er Dissipation: 60 m W

+5 V Single Supply Operation

Differential Nonlinearity: 0.3 LSB

Differential Gain: 1%

18 14 15

AD775

D7 (MSB)

COARSE

COMPARATORS

RTS

Differential Phase: 0.5 Degrees

Three-State Outputs

FINE COMPARATORS

On-Chip Reference Bias Resistors

Adjustable Reference Input

Video Industry Standard Pinout

Sm all Packages:

24-Pin 300 Mil SOIC Surface Mount

24-Pin 400 Mil Plastic DIP

BANK A

255

FINE COMPARATORS

BANK B

D0 (LSB)

RBS

CLOCK LOGIC

CLK

P RO D UCT H IGH LIGH TS

P RO D UCT D ESCRIP TIO N

Low Power: T he AD775 has a typical supply current of 12 mA,

for a power consumption of 60 mW. Reference ladder current

is also low: 6.6 mA typical, minimizing the reference power

consumption.

T he AD775 is a CMOS, low power, 8-bit, 20 MSPS sampling

analog-to-digital converter (ADC). T he AD775 features a built-

in sampling function and on-chip reference bias resistors to pro-

vide a complete 8-bit ADC solution. T he AD775 utilizes a

pipelined/ping pong two-step flash architecture to provide high

sampling rates (up to 35 MH z) while maintaining very low

power consumption (60 mW).

Complete Solution: T he AD775’s switched capacitor design

features an inherent sample/hold function: no external SHA is

required. On-chip reference bias resistors are included to allow

a supply-based reference to be generated without any external

resistors.

Its combination of excellent DNL, fast sampling rate, low dif-

ferential gain and phase errors, extremely low power dissipation,

and single +5 V supply operation make it ideally suited for a

variety of video and image acquisition applications, including

portable equipment. T he AD775’s reference ladder may be con-

nected in a variety of configurations to accommodate different

input ranges. The low input capacitance (11 pF typical) provides

an easy-to-drive input load compared to conventional flash

converters.

Excellent Differential Nonlinearity: T he AD775 features a

typical DNL of 0.3 LSBs, with a maximum limit of 0.5 LSBs.

No missing codes is guaranteed.

Single +5 V Supply Operation: T he AD775 is designed to oper-

ate on a single +5 V supply, and the reference ladder may be

configured to accommodate analog inputs inclusive of ground.

Low Input Capacitance: T he 11 pF input capacitance of the

AD775 can significantly decrease the cost and complexity of

input driving circuitry, compared with conventional 8-bit flash

ADCs.

T he AD775 is offered in both 300 mil SOIC and 400 mil DIP

plastic packages, and is designed to operate over an extended

commercial temperature range (–20°C to +75°C).

REV. 0

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...12

中文翻译

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AD775JR 替代型号

型号	品牌	替代类型	描述	数据表
TLC5510IPW	TI	类似代替	8-BIT HIGH-SPEED ANALOG-TO-DIGITAL CONVERTERS
TLC5510AINS	TI	功能相似	具有 4Vpp 输入的 8 位 20MSPS 模数转换器 (ADC) \| NS \| 24
TLC5540INSR	TI	功能相似	8-BIT HIGH-SPEED ANALOG-TO-DIGITAL CONVERTER

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AD7760BSVZ-REEL	ADI	获取价格	2.5 MSPS, 24-Bit, 100 dB Sigma-Delta ADC with On-Chip Buffer
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