Quad-Channel, 12-Bit, Serial Input, 4 mA to 20 mA
and Voltage Output DAC with Dynamic Power Control
Data Sheet
AD5735
On-chip dynamic power control minimizes package power
dissipation in current mode. This reduced power dissipation
is achieved by regulating the voltage on the output driver from
7.4 V to 29.5 V using a dc-to-dc boost converter optimized for
minimum on-chip power dissipation.
FEATURES
12-bit resolution and monotonicity
Dynamic power control for thermal management
Current and voltage output pins connectable to a single
terminal
Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA,
and 0 mA to 24 mA
0.1% total unadjusted error (TUE) maximum
Voltage output ranges (with 20% overrange): 0 V to 5 V,
0 V to 10 V, 5 V, and 10 V
0.09% total unadjusted error (TUE) maximum
User-programmable offset and gain
On-chip diagnostics
The AD5735 uses a versatile 3-wire serial interface that operates
at clock rates of up to 30 MHz and is compatible with standard
SPI, QSPI™, MICROWIRE®, DSP, and microcontroller interface
standards. The serial interface also features optional CRC-8 packet
error checking, as well as a watchdog timer that monitors activity
on the interface.
PRODUCT HIGHLIGHTS
1. Dynamic power control for thermal management.
2. 12-bit performance.
On-chip reference: 10 ppm/°C maximum
−40°C to +105°C temperature range
3. Quad channel.
APPLICATIONS
COMPANION PRODUCTS
Process control
Actuator control
PLCs
Product Family: AD5755, AD5755-1, AD5757, AD5737
External References: ADR445, ADR02
Digital Isolators: ADuM1410, ADuM1411
Power: ADP2302, ADP2303
GENERAL DESCRIPTION
The AD5735 is a quad-channel voltage and current output DAC
that operates with a power supply range from −26.4 V to +33 V.
Additional companion products on the AD5735 product page
FUNCTIONAL BLOCK DIAGRAM
AV
CC
5.0V
AV
AV
DD
SS
–15V AGND +15V
SW
x
V
BOOST_x
DV
7.4V TO 29.5V
DD
DGND
LDAC
DC-TO-DC
CONVERTER
SCLK
SDIN
DIGITAL
INTERFACE
SYNC
I
OUT_x
SDO
CLEAR
FAULT
R
+
DAC A
SET_x
CURRENT AND
VOLTAGE
OUTPUT RANGE
SCALING
ALERT
AD1
GAIN REG A
OFFSET REG A
+V
SENSE_x
V
OUT_x
AD0
–V
DAC CHANNEL A
SENSE_x
REFOUT
REFIN
REFERENCE
DAC CHANNEL B
DAC CHANNEL C
DAC CHANNEL D
AD5735
NOTES
1. x = A, B, C, OR D.
Figure 1.
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ©2011–2012 Analog Devices, Inc. All rights reserved.
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