EVAL-AD5541/42EB Analog Devices Inc, EVAL-AD5541/42EB Datasheet

BOARD EVAL FOR AD5541/42

EVAL-AD5541/42EB

Manufacturer Part Number
EVAL-AD5541/42EB
Description
BOARD EVAL FOR AD5541/42
Manufacturer
Analog Devices Inc
Datasheet

Specifications of EVAL-AD5541/42EB

Number Of Dac's
1
Number Of Bits
16
Outputs And Type
1, Single Ended
Sampling Rate (per Second)
1.5M
Data Interface
Serial
Settling Time
1µs
Dac Type
Voltage
Voltage Supply Source
Single
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD5541, AD5542
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
FEATURES
Full 16-bit performance
5 V single-supply operation
Low power
Short settling time
Unbuffered voltage output capable of driving 60 kΩ
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/AD5542 are single, 16-bit, serial input, voltage
output digital-to-analog converters (DACs) that operate from
a single 5 V ± 10% supply.
The AD5541/AD5542 utilize a versatile 3-wire interface that is
compatible with SPI, QSPI™, MICROWIRE™, and DSP interface
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, which generates
a ±V
connections for the reference and analog ground pins to reduce
layout sensitivity.
The AD5541/AD5542 are available in SOIC packages.
Rev. B
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. Specifications subject to change without notice. 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 owners.
loads directly
REF
output swing. The AD5542 also includes Kelvin sense
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
5.
LDAC
REFS
SCLK
Voltage-Output, 16-Bit DACs
REFF
SCLK
Single-Supply Operation. The AD5541 and AD5542 are
fully specified and guaranteed for a single 5 V ± 10% supply.
Low Power Consumption. These parts consume typically
1.5 mW with a 5 V supply.
3-Wire Serial Interface.
Unbuffered Output Capable of Driving 60 kΩ Loads. This
reduces power consumption because there is no internal
buffer to drive.
Power-On Reset Circuitry.
REF
DIN
DIN
CS
CS
11
10
6
5
7
8
3
4
6
5
FUNCTIONAL BLOCK DIAGRAMS
AD5542
AD5541
CONTROL
CONTROL
LOGIC
LOGIC
R
INV
©2008 Analog Devices, Inc. All rights reserved.
Figure 1. AD5541
Figure 2. AD5542
SERIAL INPUT REGISITER
5 V, Serial-Input,
SERIAL INPUT REGISITER
AD5541/AD5542
DGND
16-BIT DAC LATCH
DGND
V
V
16-BIT DAC LATCH
14
12
DD
DD
8
7
16-BIT DAC
16-BIT DAC
R
FB
www.analog.com
13
1
2
3
4
1
2
RFB
INV
V
AGNDF
AGNDS
V
AGND
OUT
OUT

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EVAL-AD5541/42EB Summary of contents

Page 1

FEATURES Full 16-bit performance 5 V single-supply operation Low power Short settling time Unbuffered voltage output capable of driving 60 kΩ loads directly SPI-/QSPI-/MICROWIRE-compatible interface standards Power-on reset clears DAC output (unipolar mode) Schmitt trigger inputs for ...

Page 2

AD5541/AD5542 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagrams ............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Timing Characteristics ................................................................ 4 Absolute Maximum Ratings ............................................................ 5 ESD ...

Page 3

SPECIFICATIONS ± 10 2.5 V, AGND = DGND = 0 V. All specifications T DD REF Table 1. 1 Parameter STATIC PERFORMANCE Resolution Relative Accuracy (INL) Differential Nonlinearity (DNL) Gain Error Gain Error Temperature ...

Page 4

AD5541/AD5542 TIMING CHARACTERISTICS ±10 2 and 90 REF INH otherwise noted. Table Parameter Limit Unit f 25 MHz max SCLK ...

Page 5

ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter V to AGND DD Digital Input Voltage to DGND V to AGND OUT AGND, AGNDF, AGNDS to DGND Input Current to Any Pin Except Supplies Operating Temperature ...

Page 6

AD5541/AD5542 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Table 4. AD5541 Pin Function Descriptions Pin No. Mnemonic Description 1 V Analog Output Voltage from the DAC. OUT 2 AGND Ground Reference Point for Analog Circuitry. 3 REF Voltage Reference Input for the ...

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS 0. 2.5V REF 0.25 0 –0.25 –0.50 –0.75 0 8192 16384 24576 32768 40960 49152 CODE Figure 6. Integral Nonlinearity vs. Code 0. 2.5V REF ...

Page 8

AD5541/AD5542 0 –0.25 –0.50 –0.75 –60 –40 – TEMPERATURE (°C) Figure 12. Gain Error vs. Temperature 250 LOGIC V = 2.5V REF 200 150 –40 – ...

Page 9

CLOCK (5V/DIV) 100 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • (50mV/DIV) OUT 10 ...

Page 10

AD5541/AD5542 TERMINOLOGY Relative Accuracy or Integral Nonlinearity (INL) For the DAC, relative accuracy or INL is a measure of the maximum deviation, in LSBs, from a straight line passing through the endpoints of the DAC transfer function. A typical INL ...

Page 11

THEORY OF OPERATION The AD5541/AD5542 are single, 16-bit, serial input, voltage output DACs. They operate from a single supply ranging from 2 and consume typically 300 μA with a supply Data is written ...

Page 12

AD5541/AD5542 Assuming a perfect reference, the unipolar worst-case output voltage can be calculated from the following equation × OUT-UNI REF GE ZSE 16 2 where unipolar mode worst-case ...

Page 13

POWER-ON RESET The AD5541/AD5542 have a power-on reset function to ensure that the output known state on power-up. On power-up, the DAC register contains all 0s until the data is loaded from the serial register. However, the ...

Page 14

AD5541/AD5542 MICROPROCESSOR INTERFACING Microprocessor interfacing to the AD5541/AD5542 is via a serial bus that uses standard protocol that is compatible with DSP processors and microcontrollers. The communications channel requires 4-wire interface consisting of a clock signal, a ...

Page 15

APPLICATIONS INFORMATION OPTOCOUPLER INTERFACE The digital inputs of the AD5541/AD5542 are Schmitt-triggered so that they can accept slow transitions on the digital input lines. This makes these parts ideal for industrial applications where it may be necessary to isolate the ...

Page 16

AD5541/AD5542 OUTLINE DIMENSIONS 0.25 (0.0098) 0.10 (0.0040) COPLANARITY 4.00 (0.1575) 3.80 (0.1496) 0.25 (0.0098) 0.10 (0.0039) COPLANARITY 0.10 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2441) 4.00 (0.1574) 1 5.80 (0.2284) 3.80 (0.1497) 4 1.27 (0.0500) BSC 1.75 (0.0688) 1.35 ...

Page 17

... LSB AD5542AR ±4 LSB AD5542AR-REEL7 ±4 LSB 1 AD5542ARZ ±4 LSB AD5542ARZ-REEL7 1 ±4 LSB 1 EVAL-AD5541/42EBZ RoHS Compliant Part. DNL Temperature Range ±1 LSB −40°C to +85°C ±1 LSB −40°C to +85°C ±1 LSB 0°C to 70°C ±1 LSB 0°C to 70°C ± ...

Page 18

AD5541/AD5542 NOTES Rev Page ...

Page 19

NOTES Rev Page AD5541/AD5542 ...

Page 20

AD5541/AD5542 NOTES ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07557-0-8/08(B) Rev Page ...

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