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DAC7643VFBR PDF预览

DAC7643VFBR

更新时间: 2024-11-15 22:14:55
品牌 Logo 应用领域
德州仪器 - TI 转换器数模转换器
页数 文件大小 规格书
20页 769K
描述
16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER

DAC7643VFBR 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LQFP, QFP32,.35SQ,32针数:32
Reach Compliance Code:unknownFactory Lead Time:1 week
风险等级:5.81最大模拟输出电压:2.5 V
最小模拟输出电压:-2.5 V转换器类型:D/A CONVERTER
输入位码:BINARY输入格式:PARALLEL, WORD
JESD-30 代码:S-PQFP-G32长度:7 mm
最大线性误差 (EL):0.0046%标称负供电电压:-5 V
位数:16功能数量:1
端子数量:32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:LQFP封装等效代码:QFP32,.35SQ,32
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5/+-5 V
认证状态:Not Qualified座面最大高度:1.6 mm
最大稳定时间:10 µs标称安定时间 (tstl):8 µs
子类别:Other Converters标称供电电压:5 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7 mmBase Number Matches:1

DAC7643VFBR 数据手册

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DAC7642  
DAC7643  
DAC7643  
DAC7642  
SBAS233 – DECEMBER 2001  
16-Bit, Dual Voltage Output  
DIGITAL-TO-ANALOG CONVERTER  
DESCRIPTION  
FEATURES  
LOW POWER: 4mW  
The DAC7642 and DAC7643 are dual channel, 16-bit, volt-  
age output Digital-to-Analog Converters (DACs) which pro-  
vide 15-bit monotonic performance over the specified tem-  
perature range. They accept 16-bit parallel input data, have  
double-buffered DAC input logic (allowing simultaneous up-  
date of all DACs), and provide a readback mode of the  
internal input registers. Programmable asynchronous reset  
clears all registers to a mid-scale code of 8000H (DAC7642)  
or to a zero-scale code of 0000H (DAC7643). These DACs  
can operate from a single +5V supply or from +5V and –5V  
supplies, providing an output range of 0 to +2.5V or –2.5V to  
+2.5V, respectively.  
UNIPOLAR OR BIPOLAR OPERATION  
SETTLING TIME: 10µs to 0.003% FSR  
15-BIT LINEARITY AND MONOTONICITY:  
–40°C to +85°C  
RESET TO MID-SCALE (DAC7642) OR  
ZERO-SCALE (DAC7643)  
DATA READBACK  
DOUBLE-BUFFERED DATA INPUTS  
APPLICATIONS  
PROCESS CONTROL  
Low power and small size per DAC make the DAC7642 and  
DAC7643 ideal for automatic test equipment, DAC-per-pin  
programmers, data acquisition systems, and closed-loop  
servo-control. The DAC7642 and DAC7643 are available in  
a LQFP-32 package and specified over a –40°C to +85°C  
temperature range.  
CLOSED-LOOP SERVO-CONTROL  
MOTOR CONTROL  
DATA ACQUISITION SYSTEMS  
DAC-PER-PIN PROGRAMMERS  
VREF  
L
VREF  
H
Sense  
Sense  
VREF  
L
VREFH  
VCC  
VSS  
DAC7642  
DAC7643  
16  
I/O  
Buffer  
Input  
Register A  
DAC  
Register A  
DATA I/O  
DAC A  
VOUT  
A
A
VOUT  
Sense  
Sense  
Input  
Register B  
DAC  
Register B  
DAC B  
VOUT  
B
B
DACSEL  
CS  
VOUT  
Control  
Logic  
R/W  
GND  
RST  
LOADDACS  
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.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 2001, Texas Instruments Incorporated  
www.ti.com  

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