參數(shù)資料
型號： DAC7654YTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁數(shù)： 1/33頁
文件大小： 804K
代理商： DAC7654YTG4
SBAS263A NOVEMBER 2003 REVISED DECEMBER 2005
16Bit, Quad Voltage Output
DigitaltoAnalog Converter
DAC7654
DAC A
DAC
Register A
Bandgap
Voltage Reference
Input
Register A
Shift
Register
DAC B
DAC
Register B
Input
Register B
DAC C
DAC
Register C
Input
Register C
DAC D
DAC
Register D
Input
Register D
VOUTA
VOUTA Sense 1
VOUTA Sense 2
SDI
SDO
Control
Logic
CS
CLOCK
RST
RSTSEL
LDAC
LOAD
A GND
D GND
OFSR2A
OFSR1A
V
CC
V
SS
V
DD
DAC7654
IO V
DD
VREFL Aand B
VREFH Aand B
VREFH C and D
VREFLC and D
VOUTB
VOUTB Sense 1
VOUTB Sense 2
OFSR2B
OFSR1B
VOUTC
VOUTC Sense 1
VOUTC Sense 2
OFSR2C
OFSR1C
VOUTD
VOUTD Sense 1
VOUTD Sense 2
OFSR2D
OFSR1D
VREFL
VREFH
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 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 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 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.
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
2003 2005, 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.
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