AD9280-EB

更新时间： 2024-10-27 22:25:23

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
24页	368K
描述
Complete 8-Bit, 32 MSPS, 95 mW CMOS A/D Converter

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AD9280-EB 数据手册

Complete 8-Bit, 32 MSPS, 95 mW

CMOS A/D Converter

AD9280

FEATURES

A single clock input is used to control all internal conversion

cycles. The digital output data is presented in straight binary

output format. An out-of-range signal (OTR) indicates an over-

flow condition which can be used with the most significant bit

to determine low or high overflow.

CMOS 8-Bit 32 MSPS Sampling A/D Converter

Pin-Compatible with AD876-8

Power Dissipation: 95 mW (3 V Supply)

Operation Between +2.7 V and +5.5 V Supply

Differential Nonlinearity: 0.2 LSB

Power-Down (Sleep) Mode

Three-State Outputs

Out-of-Range Indicator

Built-In Clamp Function (DC Restore)

Adjustable On-Chip Voltage Reference

IF Undersampling to 135 MHz

The AD9280 can operate with a supply range from +2.7 V to

+5.5 V, ideally suiting it for low power operation in high speed

applications.

The AD9280 is specified over the industrial (–40°C to +85°C)

temperature range.

PRODUCT HIGHLIGHTS

Low Power

PRODUCT DESCRIPTION

The AD9280 is a monolithic, single supply, 8-bit, 32 MSPS

analog-to-digital converter with an on-chip sample-and-hold

amplifier and voltage reference. The AD9280 uses a multistage

differential pipeline architecture at 32 MSPS data rates and

guarantees no missing codes over the full operating temperature

range.

The AD9280 consumes 95 mW on a 3 V supply (excluding the

reference power). In sleep mode, power is reduced to below

5 mW.

Very Small Package

The AD9280 is available in a 28-lead SSOP package.

Pin Compatible with AD876-8

The AD9280 is pin compatible with the AD876-8, allowing

older designs to migrate to lower supply voltages.

The input of the AD9280 has been designed to ease the devel-

opment of both imaging and communications systems. The user

can select a variety of input ranges and offsets and can drive the

input either single-ended or differentially.

300 MHz Onboard Sample-and-Hold

The versatile SHA input can be configured for either single-

ended or differential inputs.

The sample-and-hold amplifier (SHA) is equally suited for both

multiplexed systems that switch full-scale voltage levels in suc-

cessive channels and sampling single-channel inputs at frequen-

cies up to and beyond the Nyquist rate. AC-coupled input

signals can be shifted to a predetermined level, with an onboard

clamp circuit. The dynamic performance is excellent.

Out-of-Range Indicator

The OTR output bit indicates when the input signal is beyond

the AD9280’s input range.

Built-In Clamp Function

Allows dc restoration of video signals.

The AD9280 has an onboard programmable reference. An

external reference can also be chosen to suit the dc accuracy and

temperature drift requirements of the application.

FUNCTIONAL BLOCK DIAGRAM

CLAMP

DRVDD

CLAMP

CLK

AVDD

STBY

SHA

GAIN

SHA

GAIN

SHA

GAIN

SHA

GAIN

SHA

MODE

VINA

A/D

REFTF

REFTS

THREE-

STATE

D/A

A/D

D/A

A/D

D/A

A/D

CORRECTION LOGIC

OUTPUT BUFFERS

REFBS

REFBF

OTR

VREF

D7 (MSB)

D0 (LSB)

AD9280

REFSENSE

AVSS

DRVSS

REV. D

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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与AD9280-EB相关器件

型号	品牌	获取价格	描述	数据表
AD9280JRS	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
AD9280JRSRL	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
AD9281	ADI	获取价格	Dual Channel 8-Bit Resolution CMOS ADC
AD9281ARS	ADI	获取价格	Dual Channel 8-Bit Resolution CMOS ADC
AD9281ARS	ROCHESTER	获取价格	2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28, SSOP-28
AD9281ARSRL	ADI	获取价格	Dual Channel 8-Bit Resolution CMOS ADC
AD9281ARSZ	ADI	获取价格	Dual Channel 8-Bit Resolution CMOS ADC
AD9281ARSZ	ROCHESTER	获取价格	2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28, SSOP-28
AD9281ARSZRL	ROCHESTER	获取价格	2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28, SSOP-28
AD9281-EB	ADI	获取价格	Dual Channel 8-Bit Resolution CMOS ADC

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