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PDF AD5554 Data sheet ( Hoja de datos )

Número de pieza AD5554
Descripción Quad/ Current-Output Serial-Input/ 16-Bit/14-Bit DACs
Fabricantes Analog Devices 
Logotipo Analog Devices Logotipo



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a
Quad, Current-Output
Serial-Input, 16-Bit/14-Bit DACs
AD5544/AD5554
FEATURES
AD5544 16-Bit Resolution
AD5554 14-Bit Resolution
2 mA Full-Scale Current ؎20%, with VREF = ؎10 V
2 s Settling Time
VSS BIAS for Zero-Scale Error Reduction @ Temp
Midscale or Zero-Scale Reset
Four Separate 4Q Multiplying Reference Inputs
SPI-Compatible 3-Wire Interface
Double Buffered Registers Enable
Simultaneous Multichannel Change
Internal Power ON Reset
Compact SSOP-28 Package
APPLICATIONS
Automatic Test Equipment
Instrumentation
Digitally-Controlled Calibration
GENERAL DESCRIPTION
The AD5544/AD5554 quad, 16-/14-bit, current-output, digital-
to-analog converters are designed to operate from a single 5 V
supply.
The applied external reference input voltage (VREF) determines
the full-scale output current. Integrated feedback resistors (RFB)
provide temperature-tracking, full-scale voltage outputs when
combined with an external I-to-V precision amplifier.
A doubled-buffered serial-data interface offers high-speed,
3-wire, SPI- and microcontroller-compatible inputs using
serial-data-in (SDI), clock (CLK), and a chip-select (CS). In
addition, a serial-data-out pin (SDO) allows for daisy-chaining
when multiple packages are used. A common level-sensitive
load-DAC strobe (LDAC) input allows simultaneous update of
all DAC outputs from previously loaded input registers. Addi-
tionally, an internal power ON reset forces the output voltage to
zero at system turn ON. An MSB pin allows system reset asser-
tion (RS) to force all registers to zero code when MSB = 0, or
to half-scale code when MSB = 1.
AD5544/AD5554 are packaged in the compact SSOP-28.
SDO
SDI
CS
CLK
FUNCTIONAL BLOCK DIAGRAM
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9 16
D10
D11
D12
D13
D14
D15
A0
A1
EN
DAC A
B
C
D
2:4
DECODE
DGND
INPUT
REGISTER R
INPUT
REGISTER R
INPUT
REGISTER R
INPUT
REGISTER R
POWER-
ON
RESET
RS MSB
VREF A B C D
DAC A
REGISTER R
DAC A
DAC B
REGISTER R
DAC B
DAC C
REGISTER R
DAC C
DAC D
REGISTER R
DAC D
AD5544
LDAC
VSS
VDD
RFBA
IOUTA
AGNDA
RFBB
IOUTB
AGNDB
RFBC
IOUTC
AGNDC
RFBD
IOUTD
AGNDD
AGNDF
1.0
0.5
0.0
–0.5
–1.0
1.0
0.5
0.0
–0.5
–1.0
1.0
0.5
0.0
–0.5
–1.0
1.0
0.5
0.0
–0.5
–1.0
0
DAC A
DAC B
DAC C
DAC D
8192 16384 24576 32768 40960 49152 57344 65536
CODE – Decimal
Figure 1. AD5544 INL vs. Code Plot (TA = 25°C)
REV. 0
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000

1 page




AD5554 pdf
AD5544/AD5554
(@ VDD = 5 V ؎ 10%, VSS = –300 mV, IOUTX = Virtual GND, AGNDX = 0 V, VREFA,
AD5554
ELECTRICAL
CHARACTERISTICS
B, C, D =
noted.)
10
V,
TA
=
full
operating
temperature
range,
unless
otherwise
Parameter
Symbol
Condition
AC CHARACTERISTICS1
Output Voltage Settling Time tS
To ± 0.1% of Full Scale, Data = 0000H
Output Voltage Settling Time tS
to 3FFFH to 0000H
To ± 0.0015% of Full Scale, Data = 0000H
to 3FFFH to 0000H
Reference Multiplying BW BW –3 dB VREFX = 100 mV rms, Data = 3FFFH, CFB = 15 pF
DAC Glitch Impulse
Q
VREFX = 10 V, Data 0000H to 2000H to 0000H
Feedthrough Error
VOUTX/VREFX Data = 0000H, VREFX = 100 mV rms, f = 100 kHz
Crosstalk Error
VOUTA/VREFB Data = 0000H, VREFB = 100 mV rms,
Adjacent Channel, f = 100 kHz
Digital Feedthrough
Q
CS = 1, and fCLK = 1 MHz
Total Harmonic Distortion THD
VREF = 5 V p-p, Data = 3FFFH, f = 1 kHz
Output Spot Noise Voltage eN
f = 1 kHz, BW = 1 Hz
NOTES:
1All ac characteristic tests are performed in a closed-loop system using an OP42 I-to-V converter amplifier.
Specifications subject to change without notice.
Min Typ Max Unit
1 µs
2 µs
2 MHz
1.2 nV-s
–65 dB
–90 dB
5 nV-s
–90 dB
7 nV/Hz
ABSOLUTE MAXIMUM RATINGS*
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +8 V
VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V, –7 V
VREF to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 V, +18 V
Logic Inputs and Output to GND . . . . . . . . . . . . –0.3 V, +8 V
V(IOUT) to GND . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V
AGNDX to DGND . . . . . . . . . . . . . . . . . . . . . . –0.3 V, + 0.3 V
Input Current to Any Pin Except Supplies . . . . . . . . . ± 50 mA
Package Power Dissipation . . . . . . . . . . . . (TJ MAX – TA)/θJA
Thermal Resistance θJA
28-Lead Shrink Surface-Mount (RS-28) . . . . . . . . 100°C/W
Maximum Junction Temperature (TJ MAX) . . . . . . . . . 150°C
Operating Temperature Range
Model A . . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature:
RS-28 (Vapor Phase, 60 secs) . . . . . . . . . . . . . . . . . . 215°C
RS-28 (Infrared, 15 secs) . . . . . . . . . . . . . . . . . . . . . . 220°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
ORDERING GUIDE
Model
RES INL DNL Temperature Package
Bit LSB LSB Range
Description
AD5544ARS 16
AD5554BRS 14
± 4 ± 1.5 –40/+85°C
±1 ±1
– 40/+85°C
SSOP-28
SSOP-28
The AD5544/AD5554 contain 4196 transistors. The die size is 122 mil × 204 mil.
Package
Option
RS-28
RS-28
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD5544/AD5554 features proprietary ESD protection circuitry, permanent damage may occur
on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions
are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
REV. 0
–5–

5 Page





AD5554 arduino
60
SS = 180 UNITS
VDD = 5V
VREF = 10V
40 TA = 40؇C TO +85؇C
30
20
10
0
0.2
0.4 0.6 0.8 1.0 1.2 1.4 1.6
FULL-SCALE ERROR TEMPCO ppm/؇C
1.8
TPC 11. AD5554 Full-Scale Tempco (ppm/؇C)
7FFFH 8000H
VDD = 5V
VREF = 10V
TA = 25؇C
CS
(5V/DIV)
VOUT
(50mV/DIV)
100ns/DIV
TPC 12. AD5544 Midscale Transition
0000H FFFFH
VDD = 5V
VREF = 10V
TA = 25؇C
CS
(5V/DIV)
VOUT
(5V/DIV)
2s/DIV
TPC 13. AD5544 Large Signal Settling Time
AD5544/AD5554
VDD = 5V
VREF = 10V
TA = 25؇C
AV = 343
1LSB = 52mV
VOUT
(10V/DIV)
VOUT
(50mV/DIV)
1s/DIV
TPC 14. AD5544 Small Signal Settling Time
10000
VDD = 5V
VREF = 10V
TA = 25؇C
1000
100
5555H
FFFFH
8000H
0000H
10
1k
10k 100k 1M 10M
CLOCK FREQUENCY Hz
100M
TPC 15. AD5544 Power Supply Current vs.
Clock Frequency
10000
VDD = 5V
VREF = 10V
TA = 25؇C
1000
100
1555H
3FFFH
2000H
0000H
10
1k
10k 100k 1M 10M
CLOCK FREQUENCY Hz
100M
TPC 16. AD5554 Power Supply Current vs.
Clock Frequency
REV. 0
–11–

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