AD9049BR

更新时间： 2024-11-25 22:47:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	299K
描述
9-Bit, 30 MSPS ADC

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数据手册

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AD9049BR 数据手册

9-Bit, 30 MSPS ADC

AD9049

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Low Power: 300 mW

On-Chip T/H, Reference

Single +5 V Power Supply Operation

Selectable 5 V or 3 V Logic I/O

Wide Dynamic Performance

GND

+5V

AD9049

REFERENCE CKTS

ADC

AINB

AIN

T/H

APPLICATIONS

Digital Communications

Professional Video

Medical Imaging

Instrumentation

DECODE

LOGIC

SUM

AMP

DAC

ADC

TIMING

ENCODE

+5V

PRODUCT DESCRIPTION

The AD9049 is a complete 9-bit monolithic sampling analog-

to-digital converter (ADC) with an onboard track-and-hold and

reference. The unit is designed for low cost, high performance

applications and requires only +5 V and an encode clock to

achieve 30 MSPS sample rates with 9-bit resolution.

2, 8, 11,

20, 22

AIN

(+3.3V ± 0.512V)

0.1µF

+5V

9 BITS

(2)

74AC574

AD9049

0.1µF

The encode clock is TTL compatible and the digital outputs

are CMOS; both can operate with 5 V/3 V logic, selected by the

user. The two-step architecture used in the AD9049 is opti-

mized to provide the best dynamic performance available while

maintaining low power consumption.

0.1µF

1, 7, 12,

21, 23

ENCODE

A 2.5 V reference is included onboard, or the user can provide

an external reference voltage for gain control or matching of

multiple devices. Fabricated on an advanced BiCMOS process,

the AD9049 is packaged in space saving surface mount pack-

ages (SOIC, SSOP) and is specified over the industrial

(–40°C to +85°C) temperature range.

Figure 1. Typical Connections

REV. A

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: 617/329-4700

Fax: 617/326-8703

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

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