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AD9740WARUZRL7 PDF预览

AD9740WARUZRL7

更新时间： 2024-02-24 16:59:24
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管转换器
页数 文件大小 规格书
20页 307K
描述
10-Bit, 210 MSPS TxDAC® D/A Converter

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AD9740WARUZRL7 技术参数

Source Url Status Check Date：2013-05-01 14:56:31.778是否无铅： 含铅
是否Rohs认证： 符合生命周期：Active
零件包装代码：TSSOP包装说明：TSSOP, TSSOP28,.25
针数：28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.53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-G28JESD-609代码：e3
长度：9.7 mm最大线性误差 (EL)：0.0732%
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：105 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP28,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：3.3 V认证状态：Not Qualified
筛选级别：AEC-Q100座面最大高度：1.2 mm
标称安定时间 (tstl)：0.011 µs子类别：Other Converters
最大压摆率：36 mA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：MATTE TIN
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 mmBase Number Matches：1

AD9740WARUZRL7 数据手册

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10-Bit, 210 MSPS TxDAC  
Digital-to-Analog Converter  
AD9740W  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
3.3V  
High performance member of pin-compatible  
TxDAC product family  
REFLO  
1.2V REF  
REFIO  
AVDD ACOM  
150pF  
Excellent spurious-free dynamic range performance  
SNR at 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 at 3.3 V  
Power-down mode: 15 mW at 3.3 V  
On-chip 1.2 V reference  
AD9740W  
0.1µF  
3.3V  
CURRENT  
SOURCE  
ARRAY  
FS ADJ  
R
SET  
DVDD  
DCOM  
IOUTA  
IOUTB  
LSB  
SWITCHES  
SEGMENTED  
SWITCHES  
CLOCK  
CLOCK  
LATCHES  
MODE  
CMOS-compatible digital interface  
28-lead TSSOP package  
DIGITAL DATA INPUTS (DB9 TO DB0)  
SLEEP  
Edge-triggered latches  
Figure 1.  
Qualified for automotive applications  
APPLICATIONS  
Wideband communication transmit channel  
Direct IF  
Base stations  
Wireless local loops  
Digital radio links  
Direct digital synthesis (DDS)  
Instrumentation  
GENERAL DESCRIPTION  
The AD9740W1 is 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 AD9740W  
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 AD9740W 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 AD9740W’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 AD9740W includes a 1.2 V  
temperature-compensated band gap voltage reference.  
6. Industry-standard 28-lead TSSOP package.  
1 Protected by U.S. Patent Numbers 5568145, 5689257, and 5703519.  
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  
©2010 Analog Devices, Inc. All rights reserved.  
 
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