AD5750 Datasheet: Industrial Current/Voltage Output Driver





AD5750 Industrial Current/Voltage Output Driver Datasheet

Part Number AD5750
Description Industrial Current/Voltage Output Driver
Manufacture Analog Devices
Total Page 30 Pages
PDF Download Download AD5750 Datasheet PDF

Features: Data Sheet Industrial Current/Voltage O utput Driver with Programmable Ranges A D5750/AD5750-1/AD5750-2 FEATURES Curre nt output ranges: 4 mA to 20 mA, 0 mA t o 20 mA, 0 mA to 24 mA, ±20 mA, and ± 24 mA ±0.03% full-scale range (FSR) to tal unadjusted error (TUE) ±5 ppm/°C typical output drift Voltage output ran ges: 0 V to 5 V, 0 V to 10 V, ±5 V, an d ±10 V with 20% overrange ±0.02% FSR TUE ±3 ppm/°C typical output drift F lexible serial digital interface On-chi p output fault detection Packet error c hecking (PEC) Asynchronous CLEAR functi on Flexible power-up condition to 0 V o r tristate Power supply range AVDD: +12 V (± 10%) to +24 V (± 10%) AVSS: − 12 V (± 10%) to −24 V (± 10%) Outpu t loop compliance to AVDD − 2.75 V Te mperature range: −40°C to +105°C 32 -lead, 5 mm × 5 mm LFCSP package APPLI CATIONS Process controls Actuator contr ols PLCs GENERAL DESCRIPTION The AD5750 /AD5750-1/AD5750-2 are single-channel, low cost, precision voltage/current output drivers with hardware- or software-programmab.

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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
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