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AD5553 Función - Current Output/ Serial Input/ 16-/14-Bit DAC - Analog Devices

Número de pieza AD5553
Descripción Current Output/ Serial Input/ 16-/14-Bit DAC
Fabricantes Analog Devices 
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AD5553 Hoja de datos, Descripción, Manual
a
Current Output/
Serial Input, 16-/14-Bit DAC
AD5543/AD5553
FEATURES
16-Bit Resolution AD5543
14-Bit Resolution AD5553
؎1 LSB DNL
؎2 LSB INL for AD5543
؎1 LSB INL for AD5553
Low Noise 12 nV/Hz
Low Power, IDD = 10 A
0.5 s Settling Time
4Q Multiplying Reference-Input
2 mA Full-Scale Current ؎ 20%, with VREF = 10 V
Built-in RFB Facilitates Voltage Conversion
3-Wire Interface
Ultracompact MSOP-8 and SOIC-8 Packages
APPLICATIONS
Automatic Test Equipment
Instrumentation
Digitally Controlled Calibration
Industrial Control PLCs
GENERAL DESCRIPTION
The AD5543/AD5553 are precision 16-/14-bit, low power,
current output, small form factor digital-to-analog converters.
They are designed to operate from a single 5 V supply with a
± 10 V multiplying reference.
The applied external reference VREF determines the full-scale
output current. An internal feedback resistor (RFB) facilitates the
R-2R and temperature tracking for voltage conversion when
combined with an external op amp.
A serial-data interface offers high speed, 3-wire microcontroller
compatible inputs using serial data in (SDI), clock (CLK), and
chip select (CS).
The AD5543/AD5553 are packaged in ultracompact
(3 mm ϫ 4.7 mm) MSOP-8 and SOIC-8 packages.
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
FUNCTIONAL BLOCK DIAGRAM
VDD
VREF
CS
CLK
SDI
AD5543/AD5553
CONTROL
LOGIC
D/A
CONVERTER
16 OR 14
DAC
REGISTER
16 OR 14
16-/14-BIT SHIFT
REGISTER
RFB
IOUT
GND
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
CODE
Figure 1. Integral Nonlinearity Error
REF LEVEL
0.000dB
FFFFH
8000H
4000H
2000H
1000H
0800H
0400H
0200H
0100H
0080H
0040H
0020H
0010H
0008H
0004H
0002H
0001H
/DIV
12.000dB
0000H
MARKER 4 311 677.200Hz
MAG (A/R) –2.939dB
10 100 1k
START 10.000Hz
10k 100k 1M
10M
STOP 50 000 000.000Hz
Figure 2. Reference Multiplying Bandwidth
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.





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