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DAC7731EC

更新时间: 2024-02-28 00:06:47
品牌 Logo 应用领域
BB 转换器光电二极管PC
页数 文件大小 规格书
19页 359K
描述
16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER

DAC7731EC 数据手册

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DAC7731  
DAC7731  
SBAS249 – DECEMBER 2001  
16-Bit, Voltage Output, Serial Input  
DIGITAL-TO-ANALOG CONVERTER  
DESCRIPTION  
FEATURES  
LOW POWER: 150mW MAXIMUM  
The DAC7731 is a 16-bit Digital-to-Analog Converter (DAC)  
which provides 16 bits of monotonic performance over the  
specified operating temperature range and offers a +10V  
internal reference. Designed for automatic test equipment  
and industrial process control applications, the DAC7731’s  
output swing can be configured in a ±10V, ±5V, or +10V  
range. The flexibility of the output configuration allows the  
DAC7731 to provide both unipolar and bipolar operation by  
pin strapping. The DAC7731 includes a high-speed output  
amplifier with a maximum settling time of 5µs to ±0.003%  
FSR for a 20V full-scale change and only consumes 100mW  
(typical) of power.  
+10V INTERNAL REFERENCE  
UNIPOLAR OR BIPOLAR OPERATION  
SETTLING TIME: 5µs to ±0.003% FSR  
16-BIT MONOTINICITY, –40°C TO +85°C  
±10V, ±5V, OR +10V CONFIGURABLE VOLTAGE  
OUTPUT  
RESET TO ZERO OR MID-SCALE  
DOUBLE-BUFFERED DATA INPUT  
DAISY-CHAIN FEATURE FOR MULTIPLE  
DAC7731s ON A SINGLE BUS  
The DAC7731 features a standard 3-wire, SPI-compatible  
serial interface with double buffering to allow asynchronous  
updates of the analog output as well as a serial data output  
line for daisy-chaining multiple DAC7731’s. A user program-  
mable reset control forces the DAC output to either min-scale  
(0000H) or mid-scale (8000H), overriding both the input and  
DAC register values. The DAC7731 is available in a  
SSOP-24 package and three performance grades specified  
to operate from –40°C to +85°C.  
SMALL SSOP-24 PACKAGE  
APPLICATIONS  
PROCESS CONTROL  
ATE PIN ELECTRONICS  
CLOSED-LOOP SERVO CONTROL  
MOTOR CONTROL  
DATA ACQUISITION SYSTEMS  
REFOUT REFIN  
VREF  
VDD VSS VCC  
REFADJ  
ROFFSET  
Buffer  
RFB2  
REFEN  
RSTSEL  
RST  
+10V  
Reference  
Control  
Logic  
LDAC  
RFB1  
SJ  
SCLK  
CS  
SDO  
SDI  
Enable  
Input  
Register  
DAC  
Register  
DAC  
VOUT  
AGND  
DGND  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2001, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  

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