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Analog Devices Semiconductor Electronic Components Datasheet

AD5750-1 Datasheet

Industrial Current/Voltage Output Driver

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AD5750-1 pdf
Data Sheet
Industrial Current/Voltage Output Driver
with Programmable Ranges
AD5750/AD5750-1/AD5750-2
FEATURES
Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA, 0 mA
to 24 mA, ±20 mA, and ±24 mA
±0.03% full-scale range (FSR) total unadjusted error (TUE)
±5 ppm/°C typical output drift
Voltage output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V
with 20% overrange
±0.02% FSR TUE
±3 ppm/°C typical output drift
Flexible serial digital interface
On-chip output fault detection
Packet error checking (PEC)
Asynchronous CLEAR function
Flexible power-up condition to 0 V or tristate
Power supply range
AVDD: +12 V (± 10%) to +24 V (± 10%)
AVSS: −12 V (± 10%) to −24 V (± 10%)
Output loop compliance to AVDD − 2.75 V
Temperature range: −40°C to +105°C
32-lead, 5 mm × 5 mm LFCSP package
APPLICATIONS
Process controls
Actuator controls
PLCs
GENERAL DESCRIPTION
The AD5750/AD5750-1/AD5750-2 are single-channel, low cost,
precision voltage/current output drivers with hardware- or
software-programmable output ranges. The software ranges are
configured via an SPI-/MICROWIRE™-compatible serial interface.
The AD5750/AD5750-1/AD5750-2 target applications in PLC
and industrial process control. The analog input to the AD5750/
AD5750-1/AD5750-2 is provided from a low voltage, single-supply
digital-to-analog converter (DAC) and is internally conditioned
to provide the desired output current/voltage range. Analog input
ranges available are 0 V to 2.5 V (AD5750-1/AD5750-2) or 0 V
to 4.096 V (AD5750).
The output current range is programmable across five current
ranges: 4 mA to 20 mA, 0 mA to 20 mA, 0 mA to 24 mA, ±20 mA,
and ±24 mA. An overrange of 2% is available on the unipolar
current ranges.
Voltage output is provided from a separate pin that can be
configured to provide 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V
output ranges. An overrange of 20% is available on the voltage
ranges.
Analog outputs are short-circuit and open-circuit protected and
can drive capacitive loads of 1 µF and inductive loads of 0.1 H.
The devices are specified to operate with a power supply range
from ±12 V to ±24 V. Output loop compliance is 0 V to AVDD
2.75 V.
The flexible serial interface is SPI and MICROWIRE compatible
and can operate in 3-wire mode to minimize the digital isolation
required in isolated applications. The interface also features an
optional PEC feature using CRC-8 error checking, useful in
industrial environments where data communication corruption
can occur.
The devices also include a power-on-reset function, ensuring that
the devices power up in a known state (0 V or tristate), and an
asynchronous CLEAR pin that sets the outputs to a zero scale/mid-
scale voltage output or the low end of the selected current range.
The HW SELECT pin is used to configure the parts for hardware
or software mode on power-up.
Table 1. Related Devices
Part Number Description
AD5422
Single channel, 16-bit, serial input current
source and voltage output DAC
AD5751
Industrial I/V output driver, single supply, 55 V
maximum supply, programmable ranges
AD5420
Single channel, 16-bit, serial input, 4 mA to
20 mA current source DAC
Rev. F
Document Feedback
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2009–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


Analog Devices Semiconductor Electronic Components Datasheet

AD5750-1 Datasheet

Industrial Current/Voltage Output Driver

No Preview Available !

AD5750-1 pdf
AD5750/AD5750-1/AD5750-2
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications..................................................................................... 4
Timing Characteristics ................................................................ 8
Absolute Maximum Ratings.......................................................... 10
ESD Caution................................................................................ 10
Pin Configuration and Function Descriptions........................... 11
Typical Performance Characteristics ........................................... 13
Voltage Output............................................................................ 13
Current Output ........................................................................... 17
Terminology .................................................................................... 22
Theory of Operation ...................................................................... 23
Software Mode ............................................................................ 23
Current Output Architecture.................................................... 25
Driving Inductive Loads............................................................ 25
Power-On State of AD5750/AD5750-1/AD5750-2................... 25
Default Registers at Power-On ................................................. 26
Reset Function ............................................................................ 26
REVISION HISTORY
9/14—Rev. E to Rev. F
Changes to Accuracy, Internal RSET Parameter, Table 2............... 6
Changes to Table 4.......................................................................... 10
Changes to Figure 4........................................................................ 11
Changes to Figure 46...................................................................... 20
Changes to Asynchronous Clear (CLEAR) Section................... 29
Changes to Thermal Consideration Section............................... 31
Updated Outline Dimensions ....................................................... 33
Changes to Ordering Guide .......................................................... 33
6/12—Rev. D to Rev. E
Changes to Figure 3.......................................................................... 9
Changes to Status Bit Read Operation Section........................... 28
Updated Outline Dimensions ....................................................... 33
4/12—Rev. C to Rev. D
Added AD5750-2................................................................Universal
Changes to Table 2............................................................................ 4
Updated Outline Dimensions ....................................................... 33
Changes to Ordering Guide .......................................................... 33
Data Sheet
OUTEN........................................................................................ 26
Software Control ........................................................................ 26
Hardware Control ...................................................................... 28
Transfer Function....................................................................... 28
Detailed Description of Features.................................................. 29
Output Fault Alert—Software Mode ....................................... 29
Output Fault Alert—Hardware Mode ..................................... 29
Voltage Output Short-Circuit Protection................................ 29
Asynchronous Clear (CLEAR) ................................................. 29
External Current Setting Resistor ............................................ 30
Programmable Overrange Modes............................................ 30
Packet Error Checking............................................................... 30
Applications Information .............................................................. 31
Transient Voltage Protection .................................................... 31
Thermal Considerations............................................................ 31
Layout Guidelines....................................................................... 31
Galvanically Isolated Interface ................................................. 32
Microprocessor Interfacing....................................................... 32
Outline Dimensions ....................................................................... 33
Ordering Guide .......................................................................... 33
7/10—Rev. B to Rev. C
Added Leakage Current in Voltage Output Characteristics
Parameter (Table 2) ...........................................................................5
Added Leakage Current in Current Output Characteristics
Parameter (Table 2) ...........................................................................6
6/10—Rev. A to Rev. B
Changes to Table 1.............................................................................1
Changes to Table 2, Power Requirements ......................................7
8/09—Rev. 0 to Rev. A
Added AD5750-1................................................................Universal
Changes to Features and General Description Sections ..............1
Changes to Table 2.............................................................................4
Changes to Theory of Operation Section and Figure 51 .......... 23
Change to Figure 52 and Table 6 Title ......................................... 24
Changes to Current Output Architecture Section and Power-On
State of AD5750/AD5750-1 .......................................................... 25
Changes to Transfer Function Section ........................................ 28
Changes to Programmable Overrange Modes Section ............. 30
Changes to Ordering Guide .......................................................... 33
7/09—Revision 0: Initial Version
Rev. F | Page 2 of 36


Part Number AD5750-1
Description Industrial Current/Voltage Output Driver
Maker Analog Devices
Total Page 30 Pages
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1 AD5750-1 Industrial Current/Voltage Output Driver Analog Devices
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