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DAC7741YL/250 Datasheet

  • DAC7741YL/250

  • 16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Inte...

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DAC7741
DAC
774
1
SBAS248A 鈥?DECEMBER 2001 鈥?REVISED JULY 2003
16-Bit, Single Channel
DIGITAL-TO-ANALOG CONVERTER
With Internal Reference and Parallel Interface
FEATURES
q
LOW POWER: 150mW MAXIMUM
q
+10V INTERNAL REFERENCE
q
UNIPOLAR OR BIPOLAR OPERATION
q
SETTLING TIME: 5
碌
s to
鹵
0.003% FSR
q
16-BIT MONOTONICITY, 鈥?0
擄
C TO +85
擄
C
q
鹵
10V,
鹵
5V OR +10V CONFIGURABLE VOLTAGE
OUTPUT
q
RESET TO MIN-SCALE OR MID-SCALE
q
DOUBLE-BUFFERED DATA INPUT
q
INPUT REGISTER DATA READBACK
q
SMALL LQFP-48 PACKAGE
DESCRIPTION
The DAC7741 is a 16-bit Digital-to-Analog Converter (DAC)
which provides 16 bits of monotonic performance over the
specified operating temperature range and offers a +10V,
low-drift internal reference. Designed for automatic test equip-
ment and industrial process control applications, the DAC7741
output swing can be configured in a
鹵10V, 鹵5V,
or +10V
range. The flexibility of the output configuration allows the
DAC7741 to provide both unipolar and bipolar operation by
pin strapping. The DAC7741 includes a high-speed output
amplifier with a maximum settling time of 5碌s to
鹵0.003%
FSR for a 20V full-scale change and only consumes 100mW
(typical) of power.
The DAC7741 features a standard 16-bit parallel interface with
double buffering to allow asynchronous updates of the analog
output and data read-back to support data integrity verification
prior to an update. A user-programmable reset control allows
the DAC output to reset to min-scale (0000
H
) or mid-scale
(8000
H
) overriding the DAC register values. The DAC7741 is
available in a LQFP-48 package and four performance grades
specified to operate from 0擄C to +70擄C and 鈥?0擄C to +85擄C.
APPLICATIONS
q
PROCESS CONTROL
q
ATE PIN ELECTRONICS
q
CLOSED-LOOP SERVO CONTROL
q
MOTOR CONTROL
q
DATA ACQUISITION SYSTEMS
V
DD
V
SS
V
CC
REFADJ
REF
OUT
REF
IN
V
REF
R
OFFSET
Buffer
REFEN
CS
R/W
RST
RSTSEL
Control
Logic
+10V
Reference
RFB2
RFB1
SJ
Data I/O
16
I/O
Buffer
Input
Register
DAC
Register
DAC
V
OUT
AGND
DGND
LDAC
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.
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 漏 2001-2003, Texas Instruments Incorporated
www.ti.com

DAC7741YL/250 產品屬性

  • Texas Instruments

  • DAC（數/模轉換器）

  • 1

  • 1

  • 200 KSPs

  • 16 bit

  • Parallel

  • 5 us

  • + 70 C

  • SMD/SMT

  • LQFP-48

  • Reel

  • 0 C

  • Voltage

  • 250

  • Internal or External

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