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Analog Devices Semiconductor Electronic Components Datasheet

AD5551 Datasheet

5 V/ Serial-Input Voltage-Output/ 14-Bit DACs

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AD5551 pdf
a
5 V, Serial-Input
Voltage-Output, 14-Bit DACs
AD5551/AD5552
FEATURES
Full 14-Bit Performance
5 V Single Supply Operation
Low Power
Fast Settling Time
Unbuffered Voltage Output Capable of Driving 60 k
Loads Directly
SPI™/QSPI™/MICROWIRE™-Compatible Interface
Standards
Power-On Reset Clears DAC Output to 0 V (Unipolar
Mode)
Schmitt Trigger Inputs for Direct Optocoupler Interface
APPLICATIONS
Digital Gain and Offset Adjustment
Automatic Test Equipment
Data Acquisition Systems
Industrial Process Control
GENERAL DESCRIPTION
The AD5551 and AD5552 are single, 14-bit, serial input, voltage
output DACs that operate from a single 5 V ± 10% supply.
The AD5551 and AD5552 utilize a versatile 3-wire interface that
is compatible with SPI, QSPI, MICROWIRE, and DSP inter-
face standards.
These DACs provide 14-bit performance without any adjust-
ments. The DAC output is unbuffered, which reduces power
consumption and offset errors contributed by an output buffer.
With an external op amp the AD5552 can be operated in bipo-
lar mode generating a ± VREF output swing. The AD5552 also
includes Kelvin sense connections for the reference and analog
ground pins to reduce layout sensitivity. For higher precision
applications, please refer to 16-bit DACs AD5541, AD5542,
and AD5544.
The AD5551 and AD5552 are available in an SO package.
FUNCTIONAL BLOCK DIAGRAMS
VREF
AD5551
VDD
14-BIT DAC
VOUT
CS
DIN
SCLK
CONTROL
LOGIC
14-BIT DATA LATCH
SERIAL INPUT REGISTER
AGND
DGND
VREFF
VREFS
CS
LDAC
SCLK
DIN
AD5552
RINV
CONTROL
LOGIC
VDD
RFB
14-BIT DAC
14-BIT DATA LATCH
SERIAL INPUT REGISTER
RFB
INV
VOUT
AGNDF
AGNDS
DGND
PRODUCT HIGHLIGHTS
1. Single Supply Operation.
The AD5551 and AD5552 are fully specified and guaranteed
for a single 5 V ± 10% supply.
2. Low Power Consumption.
Typically 1.5 mW with a 5 V supply.
3. 3-Wire Serial Interface.
4. Unbuffered output capable of driving 60 kloads, which
reduces power consumption as there is no internal buffer
to drive.
5. Power-On Reset Circuitry.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
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


Analog Devices Semiconductor Electronic Components Datasheet

AD5551 Datasheet

5 V/ Serial-Input Voltage-Output/ 14-Bit DACs

No Preview Available !

AD5551 pdf
AD5551/AD5552–SPECIFICATIONS (VDD = 5 V ؎ 10%, VREF = 2.5 V, AGND = DGND = 0 V. All specifications
TA = TMIN to TMAX, unless otherwise noted.)
Parameter
Min Typ
Max
Unit
Test Condition
STATIC PERFORMANCE
Resolution
Relative Accuracy, INL
Differential Nonlinearity
Gain Error
Gain Error Temperature Coefficient
Zero Code Error
Zero Code Temperature Coefficient
AD5552
Bipolar Resistor Matching
Bipolar Zero Offset Error
Bipolar Zero Temperature Coefficient
14
–1.75
0
± 0.15
± 0.15
–0.3
± 0.1
0.1
± 0.05
1.000
± 0.0015
± 0.25
± 0.2
± 1.0
± 0.8
0
0.5
± 0.0152
± 2.5
Bits
LSB
LSB
LSB
ppm/°C
LSB
ppm/°C
/
%
LSB
ppm/°C
B Grade
Guaranteed Monotonic
RFB/RINV, Typically RFB = RINV = 28 k
Ratio Error
OUTPUT CHARACTERISTICS
Output Voltage Range
Output Voltage Settling Time
Slew Rate
Digital-to-Analog Glitch Impulse
Digital Feedthrough
DAC Output Impedance
Power Supply Rejection Ratio
DAC REFERENCE INPUT
Reference Input Range
Reference Input Resistance2
0
–VREF
1
25
10
10
6.25
2.0
9
7.5
VREF – 1 LSB
VREF – 1 LSB
± 1.0
V
V
µs
V/µs
nV-s
nV-s
k
LSB
VDD
V
k
k
Unipolar Operation
AD5552 Bipolar Operation
to 1/2 LSB of FS, CL = 10 pF
CL = 10 pF, Measured from 0% to 63%
1 LSB Change Around the Major Carry
All 1s Loaded to DAC, VREF = 2.5 V
Tolerance Typically 20%
VDD ± 10%
Unipolar Operation
AD5552, Bipolar Operation
LOGIC INPUTS
Input Current
VINL, Input Low Voltage
VINH, Input High Voltage
Input Capacitance3
Hysteresis Voltage3
2.4
0.4
±1
0.8
10
µA
V
V
pF
V
REFERENCE
Reference –3 dB Bandwidth
Reference Feedthrough
Signal-to-Noise Ratio
Reference Input Capacitance
POWER REQUIREMENTS
VDD
IDD
Power Dissipation
1.3
1
92
75
120
4.50
0.3
1.5
5.50
1.1
6.05
MHz
mV p-p
dB
pF
pF
All 1s Loaded
All 0s Loaded, VREF = 1 V p-p at 100 kHz
Code 0000H
Code 3FFFH
V
mA
mW
NOTES
1Temperature range is as follows: B Version: –40°C to +85°C.
2Reference input resistance is code-dependent, minimum at 2555H.
3Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
–2– REV. 0


Part Number AD5551
Description 5 V/ Serial-Input Voltage-Output/ 14-Bit DACs
Maker Analog Devices
Total Page 12 Pages
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