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Analog Devices Semiconductor Electronic Components Datasheet

AD5541 Datasheet

5 V/ Serial-Input Voltage-Output/ 16-Bit DACs

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AD5541 pdf
a
5 V, Serial-Input
Voltage-Output, 16-Bit DACs
AD5541/AD5542
FEATURES
Full 16-Bit Performance
5 V Single Supply Operation
Low Power
Short 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 AD5541 and AD5542 are single, 16-bit, serial input,
voltage output DACs that operate from a single 5 V ± 10%
supply.
The AD5541 and AD5542 utilize a versatile 3-wire interface that
is compatible with SPI, QSPI, MICROWIRE, and DSP inter-
face standards.
These DACs provide 16-bit performance without any adjust-
ments. The DAC output is unbuffered, which reduces power
consumption and offset errors contributed to by an output buffer.
The AD5542 can be operated in bipolar mode generating a
± VREF output swing. The AD5542 also includes Kelvin sense
connections for the reference and analog ground pins to reduce
layout sensitivity.
The AD5541 and AD5542 are available in an SO package.
FUNCTIONAL BLOCK DIAGRAMS
AD5541
REF
VDD
16-BIT DAC
VOUT
CS
DIN
SCLK
CONTROL
LOGIC
16-BIT DATA LATCH
SERIAL INPUT REGISTER
AGND
REFF
REFS
CS
LDAC
SCLK
DIN
AD5542
RINV
CONTROL
LOGIC
DGND
VDD
RFB
16-BIT DAC
16-BIT DATA LATCH
SERIAL INPUT REGISTER
DGND
RFB
INV
VOUT
AGNDF
AGNDS
PRODUCT HIGHLIGHTS
1. Single Supply Operation.
The AD5541 and AD5542 are fully specified and guaranteed
for a single 5 V ± 10% supply.
2. Low Power Consumption.
These parts consume typically 1.5 mW with a 5 V supply.
3. 3-Wire Serial Interface.
4. Unbuffered output capable of driving 60 kloads.
This 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. 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
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., 1999


Analog Devices Semiconductor Electronic Components Datasheet

AD5541 Datasheet

5 V/ Serial-Input Voltage-Output/ 16-Bit DACs

No Preview Available !

AD5541 pdf
AD5541/AD5542–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
16
Differential Nonlinearity
Gain Error
Gain Error Temperature Coefficient
Zero Code Error
Zero Code Temperature Coefficient
AD5542
Bipolar Resistor Matching
Bipolar Zero Offset Error
Bipolar Zero Temperature Coefficient
± 0.5
± 0.5
± 0.5
± 0.5
–1.5
± 0.1
0.3
± 0.05
± 1.0
± 2.0
± 4.0
± 1.0
± 1.5
±5
±7
±1
±2
1.000
± 0.0015
±1
± 0.2
± 0.0076
±5
±7
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
ppm/°C
LSB
LSB
ppm/°C
/
%
LSB
LSB
ppm/°C
L, C Grades
B, J Grades
A Grade
Guaranteed Monotonic
J Grade
TA = 25°C
TA = 25°C
RFB/RINV, Typically RFB = RINV = 28 k
Ratio Error
TA = 25°C
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
AD5542 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
AD5542, 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
1.3
1
92
75
120
MHz
mV p-p
dB
pF
pF
All 1s Loaded
All 0s Loaded, VREF = 1 V p-p at 100 kHz
Code 0000 Hex
Code FFFF Hex
POWER REQUIREMENTS
VDD
IDD
Power Dissipation
4.50
0.3
1.5
5.50
1.1
6.05
V
mA
mW
NOTES
1Temperature ranges are as follows: A, B, C Versions: –40°C to +85°C. J, L Versions: 0°C to 70°C.
2Reference input resistance is code-dependent, minimum at 8555 hex.
3Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
–2– REV. A


Part Number AD5541
Description 5 V/ Serial-Input Voltage-Output/ 16-Bit DACs
Maker Analog Devices
Total Page 12 Pages
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