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AD5504 Datasheet
Quad-Channel 12-Bit Voltage Output DAC
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AD5504 pdf
Data Sheet
High Voltage, Quad-Channel
12-Bit Voltage Output DAC
AD5504
FEATURES
Quad-channel high voltage DAC
12-bit resolution
Pin selectable 30 V or 60 V output range
Integrated precision reference
Low power serial interface with readback capability
Integrated temperature sensor alarm function
Power-on reset
Simultaneous updating via LDAC
Wide operating temperature: −40°C to +105°C
APPLICATIONS
Programmable voltage sources
High voltage LED drivers
Receiver bias in optical communications
GENERAL DESCRIPTION
The AD5504 is a quad-channel, 12-bit, serial input, digital-to-
analog converter with on-chip high voltage output amplifiers
and an integrated precision reference. The DAC output voltage
ranges are programmable via the range select pin (R_SEL). If
R_SEL is held high, the DAC output ranges are 0 V to 30 V. If
R_SEL is held low, the DAC output ranges are 0 V to 60 V. The
on-chip output amplifiers allow an output swing within the
range of AGND + 0.5 V to VDD − 0.5 V.
The AD5504 has a high speed serial interface, which is com-
patible with SPI®-, QSPI™-, MICROWIRE™-, and DSP-interface
standards and can handle clock speeds of up to 16.667 MHz.
CLR R_SEL VLOGIC
FUNCTIONAL BLOCK DIAGRAM
LDAC
VDD
SDI
SDO
SCLK
SYNC
ALARM
REFERENCE
1713kΩ
122.36kΩ
INPUT
DAC
REGISTER
REGISTER
DACA
12 A
A 12
+
1713kΩ
INPUT
CONTROL
LOGIC
122.36kΩ
INPUT
REGISTER
B
DAC
REGISTER
B
12
DAC B
+
1713kΩ
POWER-ON
RESET
INPUT
REGISTER
C
DAC
REGISTER
C
12
122.36kΩ
DAC C
+
1713kΩ
INPUT
REGISTER
D
DAC
REGISTER
D
12
122.36kΩ
DAC D
+
VOUTA
VOUTB
VOUTC
VOUTD
AD5504
DGND
Figure 1.
POWER-DOWN
CONTROL LOGIC
TEMPERATURE
SENSOR
AGND
Rev. B
Document Feedback
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2009-2012 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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AD5504 Datasheet PDF


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