AD9753

更新时间： 2024-09-24 22:50:03

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
26页	900K
描述
12-Bit, 300 MSPS High-Speed TxDAC+?? D/A Converter

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AD9753 数据手册

12-Bit, 300 MSPS

High-Speed TxDAC+^®D/A Converter

AD9753*

FEATURES

FUNCTIONAL BLOCK DIAGRAM

12-Bit Dual Muxed Port DAC

300 MSPS Output Update Rate

Excellent SFDR and IMD Performance

SFDR to Nyquist @ 25 MHz Output: 69 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

AD9753

APPLICATIONS

Communications: LMDS, LMCS, MMDS

Base Stations

RESET LPF DIV0 DIV1 PLLLOCK

Digital Synthesis

QAM and OFDM

The DAC utilizes a segmented current source architecture com-

bined with a proprietary switching technique to reduce glitch

energy and to 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.

PRODUCT DESCRIPTION

The AD9753 is a dual, muxed port, ultrahigh-speed, single-

channel, 12-bit CMOS DAC. It integrates a high-quality 12-bit

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

into a small 48-lead LQFP package. The AD9753 offers excep-

tional ac and dc performance while supporting update rates up

to 300 MSPS.

The AD9753 is manufactured on an advanced low cost 0.35 µm

CMOS process. It operates from a single supply of 3.1 V to 3.5 V

and consumes 155 mW of power.

The AD9753 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 AD9753 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 12-Bit Latched, Multiplexed Input Ports. The AD9753

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-endedly, with a signal swing as low as 1 V p-p.

4. Low Power. Complete CMOS DAC function operates on

155 mW from a 3.1 V to 3.5 V single supply. The DAC full-

scale current can be reduced for lower power operation.

5. On-Chip Voltage Reference. The AD9753 includes a 1.20 V

temperature-compensated bandgap voltage reference.

TxDAC+ is a registered trademark of Analog Devices, Inc.

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

Other patents pending.

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

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AD9753相关器件

型号	品牌	获取价格	描述	数据表
AD9753AST	ADI	获取价格	12-Bit, 300 MSPS High Speed TxDAC D/A Converter
AD9753ASTRL	ADI	获取价格	12-Bit, 300 MSPS High Speed TxDAC D/A Converter
AD9753ASTZ	ADI	获取价格	12-Bit, 300 MSPS High Speed TxDAC D/A Converter
AD9753-EB	ADI	获取价格	12-Bit, 300 MSPS High-Speed TxDAC+?? D/A Converter
AD9754	ADI	获取价格	14-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9754*	ADI	获取价格	14-Bit. 125 MSPS High Performance TxDAC D/A Converter
AD9754AR	ADI	获取价格	14-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9754ARRL	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.035 us SETTLING TIME, 14-BIT DAC, PDSO28, 0.300 INCH, S
AD9754ARU	ADI	获取价格	14-Bit, 125 MSPS High Performance TxDAC D/A Converter
AD9754ARURL7	ADI	获取价格	14-Bit, 125 MSPS High Performance TxDAC D/A Converter

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