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DAC7654YT

更新时间： 2024-09-28 22:54:31
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描述
16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER

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DAC7654YT 数据手册

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SBAS263 − NOVEMBER 2003  
ꢀ ꢁꢂ ꢃ ꢄꢅ ꢆ ꢇ ꢈꢉꢊ ꢋꢌꢍ ꢅ ꢉꢎꢏ ꢐ ꢈꢅ ꢑꢈꢅ  
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FEATURES  
DESCRIPTION  
D
D
D
D
D
Low Glitch: 1nV-s (typ)  
The DAC7654 is  
a
16-bit, quad voltage output,  
digital-to-analog converter (DAC) with 16-bit monotonic  
performance over the specified temperature range. It  
accepts 24-bit serial input data, has double-buffered DAC  
input logic (allowing simultaneous update of all DACs),  
and provides a serial data output for daisy-chaining  
multiple DACs. Programmable asynchronous reset clears  
all registers to a mid-scale code of 8000h or to a zero-scale  
of 0000h. The DAC7654 can operate from a single +5V  
supply or from +5V and –5V supplies.  
Low Power: 18mW  
Unipolar or Bipolar Operation  
Settling Time: 12µs to 0.003%  
16-Bit Linearity and Monotonicity:  
–40°C to +85°C  
Programmable Reset to Mid-Scale or  
Zero-Scale  
D
D
D
D
D
Double-Buffered Data Inputs  
Internal Bandgap Voltage Reference  
Power-On Reset  
Low power and small size per DAC make the DAC7654  
ideal for automatic test equipment, DAC-per-pin  
programmers, data acquisition systems, and closed-loop  
servo-control. The DAC7654 is available in an LQFP  
package and is specified for operation over the –40°C to  
+85°C temperature range.  
3V to 5V Logic Interface  
APPLICATIONS  
IO V DD  
V DD  
V SS  
V CC  
D
D
D
D
D
Process Control  
DAC7654  
Closed-Loop Servo-Control  
Motor Control  
V
H A and B  
REF  
V
V
L
Bandgap  
Voltage Reference  
REF  
V
L A and B  
REF  
H
Data Acquisition Systems  
DAC-per-Pin Programmers  
REF  
V
V
V
A Sense 2  
A Sense 1  
A
OUT  
OUT  
OUT  
SDI  
Input  
DAC  
Register A  
DAC A  
DAC B  
DAC C  
DAC D  
Shift  
Register  
Register A  
OFSR1A  
OFSR2A  
SDO  
V
V
V
B Sense 2  
OUT  
OUT  
OUT  
Input  
DAC  
Register B  
B Sense 1  
B
Register B  
OFSR1B  
OFSR2B  
V
V
V
C Sense 2  
C Sense 1  
C
OUT  
OUT  
OUT  
Input  
DAC  
Register C  
CS  
Register C  
CLOCK  
RST  
OFSR1C  
OFSR2C  
Control  
Logic  
RSTSEL  
LDAC  
V
V
V
D Sense 2  
OUT  
OUT  
OUT  
Input  
DAC  
Register D  
D Sense 1  
D
Register D  
LOAD  
OFSR1D  
OFSR2D  
V
L C and D  
REF  
V
H C and D  
REF  
A GND  
D GND  
This device has ESD-CDM sensitivity and special handling precautions must be taken.  
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.  
All trademarks are the property of their respective owners.  
ꢜꢝ ꢐ ꢒꢞ ꢖ ꢟꢠ ꢐꢡ ꢒ ꢓꢟꢓ ꢄꢔ ꢢꢌ ꢘ ꢣꢉ ꢅꢄꢌꢔ ꢄꢤ ꢥꢈ ꢘ ꢘ ꢏꢔꢅ ꢉꢤ ꢌꢢ ꢑꢈꢦ ꢍꢄꢥ ꢉꢅꢄ ꢌꢔ ꢊꢉ ꢅꢏꢧ ꢜꢘ ꢌꢊꢈ ꢥꢅꢤ  
ꢥ ꢌꢔ ꢢꢌꢘ ꢣ ꢅꢌ ꢤ ꢑꢏ ꢥ ꢄ ꢢꢄ ꢥ ꢉ ꢅꢄ ꢌꢔꢤ ꢑ ꢏꢘ ꢅꢨꢏ ꢅꢏ ꢘ ꢣꢤ ꢌꢢ ꢟꢏꢩ ꢉꢤ ꢠꢔꢤ ꢅꢘ ꢈꢣ ꢏꢔꢅ ꢤ ꢤꢅ ꢉꢔꢊ ꢉꢘ ꢊ ꢪ ꢉꢘ ꢘ ꢉ ꢔꢅꢫꢧ  
ꢜꢘ ꢌ ꢊꢈꢥ ꢅ ꢄꢌ ꢔ ꢑꢘ ꢌ ꢥ ꢏ ꢤ ꢤ ꢄꢔ ꢎ ꢊꢌ ꢏ ꢤ ꢔꢌꢅ ꢔꢏ ꢥꢏ ꢤꢤ ꢉꢘ ꢄꢍ ꢫ ꢄꢔꢥ ꢍꢈꢊ ꢏ ꢅꢏ ꢤꢅꢄ ꢔꢎ ꢌꢢ ꢉꢍ ꢍ ꢑꢉ ꢘ ꢉꢣ ꢏꢅꢏ ꢘ ꢤꢧ  
Copyright 2003, Texas Instruments Incorporated  
www.ti.com  
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