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DAC7821IPW Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce DAC7821IPW
Description  12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

DAC7821IPW Fiches technique(HTML) 1 Page - Texas Instruments

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DAC7821
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
DAC Register
Power-On
Reset
Control
Logic
DAC7821
R
R
FB
V
REF
V
DD
I
1
OUT
I
2
OUT
GND
DB0
DB11
12-Bit
R-2R DAC
Input Latch
Parallel Bus
CS
R/W
DAC7821
SBAS365A – OCTOBER 2005 – REVISED FEBRUARY 2006
12-Bit, Parallel Input, Multiplying
Digital-to-Analog Converter
2.5 V to 5.5 V Supply Operation
The DAC7821 is a CMOS 12-bit current output
digital-to-analog
converter
(DAC).
This
device
Fast Parallel Interface:
operates from a single 2.5 V to 5.5 V power supply,
17ns Write Cycle
making it suitable to battery-powered and many other
Update Rate of 20.4 MSPS
applications.
10 MHz Multiplying Bandwidth
This DAC operates with a fast parallel interface. Data
±10 V Reference Input
readback allows the user to read the contents of the
Low Glitch Energy: 5 nV-s
DAC register via the DB pins. On power-up, the
internal register and latches are filled with zeroes and
Extended Temperature Range:
the DAC outputs are at zero scale.
–40
°C to +125°C
The
DAC7821
offers
excellent
4-quadrant
20-Lead QFN and 20-Lead TSSOP Packages
multiplication
characteristics,
with
large
signal
12-Bit Monotonic
multiplying bandwidth of 10 MHz. The applied
±1 LSB INL
external reference input voltage (VREF) determines
4-Quadrant Multiplication
the full-scale output current. An integrated feedback
resistor (RFB) provides temperature tracking and
Power-On Reset with Brownout Detection
full-scale voltage output when combined with an
Readback Function
external current-to-voltage precision amplifier.
Industry-Standard Pin Configuration
The DAC7821 is available in a 20-lead TSSOP
package as well as a small 20-lead QFN package
(available Q2 2006).
Portable Battery-Powered Instruments
Waveform Generators
Analog Processing
Programmable Amplifiers and Attenuators
Digitally-Controlled Calibration
Programmable Filters and Oscillators
Composite Video
Ultrasound
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.
Copyright © 2005–2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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