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DAC7632 PDF预览

DAC7632

更新时间: 2024-11-30 22:54:31
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21页 847K
描述
16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER

DAC7632 数据手册

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DAC7632  
D
A
C763  
2
SBAS234 – FEBRUARY 2002  
16-Bit, Dual Voltage Output  
DIGITAL-TO-ANALOG CONVERTER  
DESCRIPTION  
FEATURES  
LOW POWER: 4mW  
The DAC7632 is a 16-bit, dual channel, voltage output,  
Digital-to-Analog Converter (DAC) which provides 15-bit  
monotonic performance over the specified temperature range.  
The device accepts 24-bit serial input data, has double-  
buffered DAC input logic (allowing simultaneous update of  
both DACs), and provides a serial data output for daisy-  
chaining multiple devices. A programmable asynchronous  
reset clears all registers to a mid-scale code of 8000H or to  
a zero-scale code of 0000H. The DAC7632 can operate from  
a single +5V supply or from +5V and –5V supplies, providing  
an output range of 0V to +2.5V or –2.5V to +2.5V, respec-  
tively.  
UNIPOLAR OR BIPOLAR OPERATION  
SETTLING TIME: 10µs to ±0.003% FSR  
15-BIT LINEARITY AND MONOTONICITY:  
–40°C to +85°C  
PROGRAMMABLE RESET TO MID-SCALE  
OR ZERO-SCALE  
DOUBLE-BUFFERED DATA INPUTS  
APPLICATIONS  
Low power and small size per DAC make the DAC7632  
ideal for industrial process control, data acquisition sys-  
tems, and closed-loop servo-control. The DAC7632 is avail-  
able in an LQFP-32 package and specified over a –40°C to  
+85°C temperature range.  
PROCESS CONTROL  
CLOSED-LOOP SERVO-CONTROL  
MOTOR CONTROL  
DATA ACQUISITION SYSTEMS  
DAC-PER-PIN PROGRAMMERS  
VREF  
L
VREF  
H
Sense  
Sense  
VREF  
L
VREFH  
VDD  
VSS  
VCC  
DAC7632  
SDI  
Input  
Register A  
DAC  
Register A  
DAC A  
Shift  
VOUT  
A
A
Register  
SDO  
VOUT  
Sense  
CS  
CLK  
Input  
Register B  
DAC  
Register B  
DAC B  
VOUT  
B
B
RST  
Control  
Logic  
RSTSEL  
LDAC  
LOAD  
VOUT  
Sense  
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 © 2002, 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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