Datasheet > AD9284

AD9284

更新时间： 2024-10-28 08:18:11

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	606K
描述
8-Bit, 250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)

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数据手册

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AD9284 数据手册

8-Bit, 250 MSPS, 1.8 V Dual

Analog-to-Digital Converter (ADC)

AD9284

FEATURES

GENERAL DESCRIPTION

Single 1.8 V supply operation

The AD9284 is a dual 8-bit, monolithic sampling, analog-to-digital

converter (ADC) that supports simultaneous operation and is

optimized for low cost, low power, and ease of use. Each ADC

operates at up to a 250 MSPS conversion rate with outstanding

dynamic performance.

SNR: 49.3 dBFS at 200 MHz input at 250 MSPS

SFDR: 65 dBc at 200 MHz input at 250 MSPS

Low power: 314 mW at 250 MSPS

On-chip reference and track-and-hold

1.2 V p-p analog input range for each channel

Differential input with 500 MHz bandwidth

LVDS-compliant digital output

The ADC requires a single 1.8 V supply and an encode clock for

full performance operation. No external reference components

are required for many applications. The digital outputs are LVDS

compatible.

DNL: 0.2 LSB

Serial port control options

The AD9284 is available in a Pb-free, 48-lead LFCSP that is

specified over the industrial temperature range of −40°C to +85°C.

Offset binary, Gray code, or twos complement data format

Optional clock duty cycle stabilizer

Built-in selectable digital test pattern generation

Pin-programmable power-down function

Available in 48-lead LFCSP

PRODUCT HIGHLIGHTS

1. Integrated Dual 8-Bit, 250 MSPS ADC.

2. Single 1.8 V Supply Operation with LVDS Outputs.

3. Power-Down Option Controlled via a Pin-Programmable

Setting.

APPLICATIONS

Communications

Diversity radio systems

I/Q demodulation systems

Battery-powered instruments

Handheld scope meters

Low cost digital oscilloscopes

OTS: video over fiber

FUNCTIONAL BLOCK DIAGRAM

SDIO/

PWDN CSB SCLK

CLK+

CLK–

SPI

VIN+A

VIN–A

VCM

D7+ (MSB), D7– (MSB)

D0+ (LSB), D0– (LSB)

(CHANNEL A)

ADC

REF

SELECT

DCO+

DCO–

VREF

×1.5

DCO

GENERATION

CLOCK

MANAGEMENT

1.0V

REF

VIN–B

VIN+B

D7+ (MSB), D7– (MSB)

D0+ (LSB), D0– (LSB)

(CHANNEL B)

ADC

AD9284

RBIAS

AGND

AVDD

DRVDD DRGND

Figure 1.

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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD9284相关器件

型号	品牌	获取价格	描述	数据表
AD9284_13	ADI	获取价格	8-Bit, 250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
AD9284-250EBZ	ADI	获取价格	8-Bit, 250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
AD9284BCPZ-250	ADI	获取价格	8-Bit, 250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
AD9284BCPZRL7-250	ADI	获取价格	8-Bit, 250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
AD9286	ADI	获取价格	8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
AD9286_15	ADI	获取价格	8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
AD9286-500EBZ	ADI	获取价格	8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
AD9286BCPZ-500	ADI	获取价格	8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
AD9286BCPZRL7-500	ADI	获取价格	8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
AD9287	ADI	获取价格	Quad, 8-Bit, 100 MSPS Serial LVDS 1.8 V A/D Converter

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