Datasheet > AD9751ASTRL

AD9751ASTRL

更新时间： 2024-09-25 18:57:35

品牌	Logo	应用领域
亚德诺 - ADI		输入元件转换器
页数	文件大小	规格书
28页	1059K
描述
IC PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 10-BIT DAC, PQFP48, 1.40 MM HEIGHT, PLASTIC, LQFP-48, Digital to Analog Converter

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AD9751ASTRL 数据手册

10-Bit, 300 MSPS

High Speed TxDAC+ D/A Converter

AD9751^*

FEATURES

FUNCTIONAL BLOCK DIAGRAM

10-Bit Dual Muxed Port DAC

300 MSPS Output Update Rate

Excellent SFDR and IMD Performance

SFDR to Nyquist @ 25 MHz Output: 64 dB

Internal Clock Doubling PLL

Differential or Single-Ended Clock Input

On-Chip 1.2 V Reference

DVDD

LATCH

DCOM

AVDD

ACOM

PORT1

PORT2

OUTA

OUTB

MUX

DAC

Single 3.3 V Supply Operation

Power Dissipation: 155 mW @ 3.3 V

48-Lead LQFP

CLK+

CLK–

CLKVDD

PLLVDD

CLKCOM

REFIO

FSADJ

PLL

CLOCK

MULTIPLIER

REFERENCE

AD9751

APPLICATIONS

Communications: LMDS, LMCS, MMDS

Base Stations

RESET LPF DIV0 DIV1 PLLLOCK

Digital Synthesis

QAM and OFDM

PRODUCT DESCRIPTION

The DAC utilizes a segmented current source architecture com-

bined with a proprietary switching technique to reduce glitch

energy and maximize dynamic accuracy. Differential current

outputs support single-ended or differential applications. The

differential outputs each provide a nominal full-scale current

from 2 mA to 20 mA.

The AD9751 is a dual muxed port, ultrahigh speed, single-

channel, 10-bit CMOS DAC. It integrates a high quality 10-bit

TxDAC+ core, a voltage reference, and digital interface circuitry

into a small 48-lead LQFP package. The AD9751 offers excep-

tional ac and dc performance while supporting update rates up

to 300 MSPS.

The AD9751 is manufactured on an advanced low cost 0.35 µm

CMOS process. It operates from a single supply of 3.0 V to 3.6 V

and consumes 155 mW of power.

The AD9751 has been optimized for ultrahigh speed applica-

tions up to 300 MSPS where data rates exceed those possible on

a single data interface port DAC. The digital interface consists

of two buffered latches as well as control logic. These latches

can be time multiplexed to the high speed DAC in several ways.

This PLL drives the DAC latch at twice the speed of the exter-

nally applied clock and is able to interleave the data from the

two input channels. The resulting output data rate is twice that

of the two input channels. With the PLL disabled, an external

2× clock may be supplied and divided by two internally.

PRODUCT HIGHLIGHTS

1. The AD9751 is a member of a pin compatible family of high

speed TxDAC+s, providing 10-, 12-, and 14-bit resolution.

2. Ultrahigh Speed 300 MSPS Conversion Rate.

3. Dual 10-Bit Latched, Multiplexed Input Ports. The AD9751

features a flexible digital interface allowing high speed data

conversion through either a single or dual port input.

The CLK inputs (CLK+/CLK–) can be driven either differen-

tially or single-ended, with a signal swing as low as 1 V p-p.

4. Low Power. Complete CMOS DAC function operates on

155 mW from a 3.0 V to 3.6 V single supply. The DAC full-

scale current can be reduced for lower power operation.

5. On-Chip Voltage Reference. The AD9751 includes a 1.20 V

temperature compensated band gap voltage reference.

*Protected by U.S. Patent numbers 5450084, 5568145, 5689257, and 5703519.

Other patents pending.

REV. C

Information furnished by Analog Devices is believed to be accurate and

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

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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AD9751ASTRL 替代型号

型号	品牌	替代类型	描述	数据表
AD9751AST	ADI	完全替代	10-Bit, 300 MSPS High-Speed TxDAC+ D/A Converter

与AD9751ASTRL相关器件

型号	品牌	获取价格	描述	数据表
AD9751-EB	ADI	获取价格	10-Bit, 300 MSPS High-Speed TxDAC+ D/A Converter
AD9752	ADI	获取价格	12-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9752*	ADI	获取价格	12-Bit. 125 MSPS High Performance TxDAC D/A Converter
AD9752AR	ADI	获取价格	12-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9752ARRL	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.035 us SETTLING TIME, 12-BIT DAC, PDSO28, 0.300 INCH, S
AD9752ARU	ADI	获取价格	12-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9752ARUZ	ADI	获取价格	12-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9752ARUZRL7	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.035us SETTLING TIME, 12-BIT DAC, PDSO28, TSSOP-28
AD9752ARZ	ADI	获取价格	12-Bit, 100 MSPS+ TxDAC® D/A Converter
AD9752ARZRL	ADI	获取价格	12-Bit, 125 MSPS High Performance TxDAC D/A Converter

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