EVAL-AD5570EBZ Analog Devices Inc, EVAL-AD5570EBZ Datasheet

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EVAL-AD5570EBZ

Manufacturer Part Number
EVAL-AD5570EBZ
Description
206-10G-01 Board I.c.
Manufacturer
Analog Devices Inc
Series
0040r
Datasheet

Specifications of EVAL-AD5570EBZ

Number Of Dac's
*
Number Of Bits
16
Outputs And Type
1, Single Ended
Sampling Rate (per Second)
83k
Data Interface
Serial
Settling Time
12µs
Dac Type
*
Voltage Supply Source
Dual ±
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD5570
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FEATURES
Full 16-bit performance
1 LSB maximum INL and DNL
Output voltage range up to ±14 V
On-board reference buffers, eliminating the need for a
Controlled output during power-on
Temperature ranges of −40°C to +85°C for A/B version/−40°C
Settling time of 10 μs to 0.003%
Clear function to 0 V
Asynchronous update of outputs (LDAC pin)
Power-on reset
Serial data output for daisy chaining
Data readback facility
5 kV HBM ESD classification
APPLICATIONS
Industrial automation
Automatic test equipment
Process control
Data acquisition systems
General-purpose instrumentation
GENERAL DESCRIPTION
The AD5570 is a single 16-bit serial input, voltage output DAC
that operates from supply voltages of ±11.4 V up to ±16.5 V.
Integral linearity (INL) and differential nonlinearity (DNL) are
accurate to 1 LSB. During power-up, when the supply voltages
are changing, V
The AD5570 DAC comes complete with a set of reference
buffers. The reference buffers allow a single, positive reference
to be used. The voltage on REFIN is gained up and inverted
internally to give the positive and negative reference for the
DAC core. Having the reference buffers on-chip eliminates the
need for external components such as inverters, precision
amplifiers, and resistors, thereby reducing the overall solution
size and cost.
The AD5570 uses a versatile 3-wire interface that is compatible
with SPI®, QSPI™, MICROWIRE™, and DSP® interface standards.
Data is presented to the part as a 16-bit serial word. Serial data
is available on the SDO pin for daisy-chaining purposes. Data
Rev. C
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.
negative reference
to +125°C for W/Y version
OUT
is clamped to 0 V via a low impedance path.
True Accuracy, 16-Bit ±12 V/±15 V,
Serial Input Voltage Output DAC
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
readback allows the user to read the contents of the DAC
register via the SDO pin.
Features on the AD5570 include LDAC which is used to update
the output of the DAC. The device also has a power-down pin
( PD ), allowing the DAC to be put into a low power state, and a
CLR pin that allows the output to be cleared to 0 V.
The AD5570 is available in a 16-lead SSOP.
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
5.
6.
REFGND
REFIN
LDAC
1 LSB maximum INL and DNL.
Buffered voltage output up to ±14 V.
Output controlled during power-up.
On-board reference buffers.
Wide temperature range of −40°C to +125°C.
5 kV HBM ESD classification.
FUNCTIONAL BLOCK DIAGRAM
2R
R
R
SDIN
V
SS
©2010 Analog Devices, Inc. All rights reserved.
DAC REGISTER
SHIFT REGISTER
SCLK
AD5570
V
16-BIT
Figure 1.
DD
DAC
SYNC
DGND
SDO
CONTROL LOGIC
POWER-DOWN
POWER-ON
AD5570
RESET
www.analog.com
CLR
V
AGND
AGNDS
PD
OUT

Related parts for EVAL-AD5570EBZ

EVAL-AD5570EBZ Summary of contents

Page 1

FEATURES Full 16-bit performance 1 LSB maximum INL and DNL Output voltage range up to ±14 V On-board reference buffers, eliminating the need for a negative reference Controlled output during power-on Temperature ranges of −40°C to +85°C for A/B version/−40°C ...

Page 2

... Added Figure 16.............................................................................. 12 Revision 0: Initial Version DAC Architecture....................................................................... 16 Reference Buffers........................................................................ 16 Serial Interface ............................................................................ 16 Transfer Function....................................................................... 17 Clear ( CLR ) ................................................................................. 17 Power-Down ( PD ) ..................................................................... 17 Power-On Reset.......................................................................... 17 Serial Data Output (SDO)......................................................... 17 Applications Information .............................................................. 19 Typical Operating Circuit ......................................................... 19 Layout Guidelines....................................................................... 20 Opto-Isolators............................................................................. 20 Microprocessor Interfacing....................................................... 21 Evaluation Board ........................................................................ 22 Outline Dimensions ....................................................................... 24 Ordering Guide .......................................................................... 24 Rev Page ...

Page 3

SPECIFICATIONS V = +11 +16 −11 −16 all specifications unless otherwise noted. MIN MAX Table 1. 1 Parameter ACCURACY Resolution Monotonicity Differential Nonlinearity (DNL) Relative ...

Page 4

AD5570 1 Parameter POWER REQUIREMENTS Power-Down Current 6 Power-Supply Sensitivity Power Dissipation 1 Temperature ranges: A and B versions = − 40°C to +85°C; W and Y versions = −40°C to +125°C. ...

Page 5

TIMING CHARACTERISTICS STANDALONE V = +12 V ± 5 −12 V ± 200 pF to AGND; all specifications T L Table Parameter Limit MIN ...

Page 6

AD5570 TIMING CHARACTERISTICS DAISY-CHAINING AND READBACK V = +12 V ± 5 −12 V ± 200 pF to AGND; all specifications T L Table Parameter Limit at T ...

Page 7

SCLK SYNC SDIN DB15 (N) LDAC SDO DB15 DB0 ( DB15 (N) Figure 4. Readback ...

Page 8

AD5570 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 4. Parameter V to AGND, AGNDS, DGND AGND, AGNDS, DGND SS AGND, AGNDS to DGND REFGND to AGND, ADNDS REFIN to AGND, AGNDS REFIN to ...

Page 9

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 V Negative Analog Supply Voltage. −12 V ± −15 V ± 10% for specified performance Positive Analog Supply Voltage. 12 ...

Page 10

AD5570 TERMINOLOGY Relative Accuracy or Integral Nonlinearity (INL) Relative accuracy or integral nonlinearity is a measure of the maximum deviation, in LSBs, from a straight line pass- ing through the endpoints of the DAC transfer function. Monotonicity A DAC is ...

Page 11

TYPICAL PERFORMANCE CHARACTERISTICS 1 25° ±15V DD SS REFIN = +5V 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 0 10k 20k 30k 40k CODE Figure 6. Integral Nonlinearity vs. Code, V ...

Page 12

AD5570 1 ±12V DD SS 0.8 REFIN = +5V 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 –40 – TEMPERATURE (°C) Figure 12. Integral Nonlinearity vs. Temperature ...

Page 13

±12V 25°C A 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 2.0 2.5 3.0 3.5 4.0 REFERENCE VOLTAGE (V) Figure 18. Differential Nonlinearity Error vs. Reference Voltage ...

Page 14

AD5570 ±12V OR ±15V DD SS –1 REFIN = 5V –2 –3 –4 –5 –6 –7 –8 –9 –10 –40 – TEMPERATURE (°C) Figure 24. Offset Error vs. Temperature 0 REFIN = ...

Page 15

T = 25°C 9.9997 A REFIN = 5V 9.9994 9.9991 9.9988 9.9985 9.9982 15V SUPPLIES 9.9979 9.9976 9.9973 9.9970 12V SUPPLIES 9.9967 9.9964 9.9961 9.9958 9.9955 9.9952 –10 –8 –6 –4 – SOURCE CURRENT (mA) SINK CURRENT ...

Page 16

AD5570 GENERAL DESCRIPTION The AD5570 is a single 16-bit serial input, voltage output DAC. It operates from supply voltages of ±11 ±16.5 V, and has a buffered voltage output ±13.6 V. Data is written to ...

Page 17

TRANSFER FUNCTION Table 6 shows the ideal input code to the output voltage rela- tionship for the AD5570. Table 6. Binary Code Table Digital Input MSB LSB Analog Output (V 1111 1111 1111 1111 +2 V 1000 0000 0000 0001 ...

Page 18

AD5570 Readback The AD5570 allows the data contained in the DAC register to be read back, if required. As with daisy chaining, an external pull-up resistor of ~5 kΩ on SDO is required. The data in the DAC register is ...

Page 19

APPLICATIONS INFORMATION TYPICAL OPERATING CIRCUIT Figure 39 shows the typical operating circuit for the AD5570. The only external component needed for this precision 16-bit DAC is a single external positive reference. Because the device incorporates reference buffers, it eliminates the ...

Page 20

AD5570 Table 8. Partial List of Precision References Recommended for Use with the AD5570 Initial Long-Term Temp Drift Accuracy Drift (ppm/ Part No. (mV max) (ppm typ) °C max) ADR435 ± ADR425 ± ADR02 ± ...

Page 21

MICROPROCESSOR INTERFACING Microprocessor interfacing to the AD5570 is via a serial bus that uses standard protocol compatible with microcontrollers and DSP processors. The communications channel is a 3-wire (minimum) interface consisting of a clock signal, a data signal, and a ...

Page 22

... AD5570 printed circuit board. The evaluation board inter- SYNC faces to the parallel interface of a PC. Software is available with the evaluation board that allows the user to easily pro- LDAC gram the AD5570. A schematic of the evaluation board is shown in Figure 46. The software runs on any PC installed with Microsoft® ...

Page 23

... LK5 REF REFIN REFGND REFGND AGND DD V AGNDS SS V DGND 4.7kΩ R6 4.7kΩ R7 4.7kΩ R5 LK4 Figure 46. Evaluation Board Schematic Rev Page REFIN GND DD V AD5570 03760-043 ...

Page 24

... AD5570YRSZ −40°C to +125°C AD5570YRSZ-REEL −40°C to +125°C AD5570YRSZ-REEL7 −40°C to +125°C EVAL-AD5570EBZ RoHS Compliant Part. ©2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D03760-0-11/10(C) 6.50 6 ...

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