參數(shù)資料
型號： DAC7664YCRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： PARALLEL, WORD INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁數(shù)： 1/32頁
文件大?。?/td> 661K
代理商： DAC7664YCRG4
SBAS271 MARCH 2004
16Bit, Quad Voltage Output
DigitaltoAnalog Converter
DAC7664
FEATURES
D Low Glitch: 1nV-s (typ)
D Low Power: 18mW
D Unipolar or Bipolar Operation
D Settling Time: 12s to 0.003%
D 16-Bit Linearity and Monotonicity:
–40
°C to +85°C
D Programmable Reset to Mid-Scale or
Zero-Scale
D Data Readback
D Double-Buffered Data Inputs
D Internal Bandgap Voltage Reference
D Power-On Reset
D 3V to 5V Logic Interface
APPLICATIONS
D Process Control
D Closed-Loop Servo Control
D Motor Control
D Data Acquisition Systems
D DAC-per-Pin Programmers
DESCRIPTION
The
DAC7664
is
a
16-bit,
quad
voltage
output
digital-to-analog converter (DAC) with 16-bit monotonic
performance over the specified temperature range. It
accepts 16-bit parallel input data, has double-buffered
DAC input logic (allowing simultaneous update of all
DACs), and provides a readback mode of the internal input
registers. Programmable asynchronous reset clears all
registers to a mid-scale code of 8000h or to a zero-scale
of 0000h. The DAC7664 can operate from a single +5V
supply or from +5V and 5V supplies.
Low power and small size per DAC make the DAC7664
ideal
for
automatic
test
equipment,
DAC-per-pin
programmers, data acquisition systems, and closed-loop
servo control. The DAC7664 is available in an LQFP-64
package and is specified for operation over the 40
°C to
+85
°C temperature range.
This device has ESD-CDM sensitivity and special handling precautions must be taken.
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.
All trademarks are the property of their respective owners.
www.ti.com
Copyright
2004, Texas Instruments Incorporated
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.
DAC A
DAC
Register A
Bandgap
Voltage Reference
Input
Register A
Data
Latch
DAC B
DAC
Register B
Input
Register B
DAC C
DAC
Register C
Input
Register C
DAC D
DAC
Register D
Input
Register D
V
OU T A
V
RE F
V
OU T A Sense 1
V
OU T A Sense 2
DB0DB15
Control
Logic
RST
CS
A0
A1
RSTSEL
LDAC
R/W
A G ND
D GND
OFSR1A
OFSR2A
V
CC
V
SS
V
DD
DAC7664
V
RE F L Aand B
V
RE F H Aand B
V
RE F H C
and D
V
RE F LC
and D
V
OU T B
V
OU T B Sense 1
V
OU T B Sense 2
OFSR1B
OFSR2B
V
OU T C
V
OU T C Sense 1
V
OU T C Sense 2
OFSR1C
OFSR2C
V
OU T D
V
OU T D Sense 1
V
OU T D Sense 2
OFSR1D
OFSR2D
V
RE F
V
RE F
V
RE F
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