AD9740ARURL7

更新时间： 2024-01-18 10:31:49

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器光电二极管
页数	文件大小	规格书
32页	1146K
描述
10-Bit, 210 MSPS TxDAC D/A Converter

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技术参数
数据手册

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AD9740ARURL7 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	28
Reach Compliance Code：	unknown	风险等级：	5.72
Is Samacsys：	N	最大模拟输出电压：	1.25 V
最小模拟输出电压：	-1 V	转换器类型：	D/A CONVERTER
输入位码：	BINARY, 2'S COMPLEMENT BINARY	输入格式：	PARALLEL, WORD
JESD-30 代码：	R-PDSO-G28	JESD-609代码：	e0
长度：	9.7 mm	最大线性误差 (EL)：	0.0684%
湿度敏感等级：	1	位数：	10
功能数量：	1	端子数量：	28
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	240	认证状态：	COMMERCIAL
座面最大高度：	1.2 mm	标称安定时间 (tstl)：	0.011 µs
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	TIN LEAD	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	4.4 mm
Base Number Matches：	1

AD9740ARURL7 数据手册

10-Bit, 210 MSPS TxDAC^®D/A Converter

AD9740

FEATURES

APPLICATIONS

High performance member of pin-compatible

TxDAC product family

Wideband communication transmit channel

Direct IF

Excellent spurious-free dynamic range performance

SNR @ 5 MHz output, 125 MSPS: 65 dB

Twos complement or straight binary data format

Differential current outputs: 2 mA to 20 mA

Power dissipation: 135 mW @ 3.3 V

Base stations

Wireless local loops

Digital radio links

Direct digital synthesis (DDS)

Instrumentation

Power-down mode: 15 mW @ 3.3 V

On-chip 1.2 V Reference

FUNCTIONAL BLOCK DIAGRAM

3.3V

CMOS-compatible digital interface

28-lead SOIC, 28-lead TSSOP, and 32-lead LFCSP

packages

Edge-triggered latches

REFLO

1.2V REF

REFIO

AVDD ACOM

150pF

0.1μF

AD9740

CURRENT

SOURCE

ARRAY

FS ADJ

SET

3.3V

DVDD

DCOM

IOUTA

IOUTB

SEGMENTED

SWITCHES

LSB

SWITCHES

CLOCK

MODE

CLOCK

LATCHES

DIGITAL DATA INPUTS (DB9–DB0)

SLEEP

Figure 1.

GENERAL DESCRIPTION

The AD9740¹is a 10-bit resolution, wideband, third generation

member of the TxDAC series of high performance, low power

CMOS digital-to-analog converters (DACs). The TxDAC

family, consisting of pin-compatible 8-, 10-, 12-, and 14-bit

DACs, is specifically optimized for the transmit signal path

of communication systems. All of the devices share the same

interface options, small outline package, and pinout, providing

an upward or downward component selection path based

on performance, resolution, and cost. The AD9740 offers

exceptional ac and dc performance while supporting update

rates up to 210 MSPS.

Edge-triggered input latches and a 1.2 V temperature-compensated

band gap reference have been integrated to provide a complete

monolithic DAC solution. The digital inputs support 3 V CMOS

logic families.

PRODUCT HIGHLIGHTS

1. The AD9740 is the 10-bit member of the pin-compatible

TxDAC family, which offers excellent INL and DNL

performance.

2. Data input supports twos complement or straight binary

data coding.

3. High speed, single-ended CMOS clock input supports

210 MSPS conversion rate.

The AD9740’s low power dissipation makes it well suited for

portable and low power applications. Its power dissipation

can be further reduced to 60 mW with a slight degradation in

performance by lowering the full-scale current output. In

addition, a power-down mode reduces the standby power

dissipation to approximately 15 mW. A segmented current

source architecture is combined with a proprietary switching

technique to reduce spurious components and enhance

dynamic performance.

4. Low power: Complete CMOS DAC function operates on

135 mW from a 2.7 V to 3.6 V single supply. The DAC full-

scale current can be reduced for lower power operation,

and a sleep mode is provided for low power idle periods.

5. On-chip voltage reference: The AD9740 includes a 1.2 V

temperature-compensated band gap voltage reference.

6. Industry-standard 28-lead SOIC, 28-lead TSSOP, and 32-

lead LFCSP packages.

¹Protected by U.S. Patent Numbers 5568145, 5689257, and 5703519.

Rev. B

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AD9740ARURL7相关器件

型号	品牌	获取价格	描述	数据表
AD9740ARUZ	ADI	获取价格	10-Bit, 210 MSPS TxDAC® D/A Converter
AD9740ARUZ1	ADI	获取价格	10-Bit, 210 MSPS TxDAC D/A Converter
AD9740ARUZRL7	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.011us SETTLING TIME, 10-BIT DAC, PDSO28, LEAD FREE, MO-153
AD9740ARUZRL7	ADI	获取价格	10-Bit, 210 MSPS TxDAC D/A Converter
AD9740ARZ	ADI	获取价格	10-Bit, 210 MSPS TxDAC D/A Converter
AD9740ARZRL	ADI	获取价格	10-Bit, 210 MSPS TxDAC D/A Converter
AD9740ARZRL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 10-BIT DAC, PDSO28, 0.300 INCH, LEAD
AD9740-EB	ADI	获取价格	10-Bit, 165 MSPS TxDAC D/A Converter
AD9740WARUZRL7	ADI	获取价格	10-Bit, 210 MSPS TxDAC® D/A Converter
AD9741	ADI	获取价格	Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

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