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a

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/鈭欻z

Low Power, I

DD

= 10 A

0.5 s Settling Time

4Q Multiplying Reference-Input

2 mA Full-Scale Current 20%, with V

REF

= 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

Current Output/

Serial Input, 16-/14-Bit DAC

AD5543/AD5553

FUNCTIONAL BLOCK DIAGRAM

AD5543/AD5553

V

DD

D/A

CONVERTER

16 OR 14

CS

CONTROL

LOGIC

DAC

REGISTER

16 OR 14

CLK

SDI

16-/14-BIT SHIFT

REGISTER

GND

I

OUT

R

FB

V

REF

1.0

0.8

0.6

0.4

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

鹵

10 V multiplying reference.

The applied external reference V

REF

determines the full-scale

output current. An internal feedback resistor (R

FB

) 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 4.7 mm) MSOP-8 and SOIC-8 packages.

INL 鈥?LSB

0.2

0

鈥?.2

鈥?.4

鈥?.6

鈥?.8

0

12288

16384

20480

24575

28672

32768

36864

40960

45056

49152

53248

57344

61440

CODE

Figure 1. Integral Nonlinearity Error

REF LEVEL

0.000dB

/DIV

12.000dB

MARKER 4 311 677.200Hz

MAG (A/R) 鈥?.939dB

FFFFH

8000H

4000H

2000H

1000H

0800H

0400H

0200H

0100H

0080H

0040H

0020H

0010H

0008H

0004H

0002H

0001H

0000H

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.

10

100

START 10.000Hz

1k

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

漏 2003 Analog Devices, Inc. All rights reserved.

65536

4096

8152

鈥?.0

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