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Analog Devices - Quad-Channel 12-Bit Voltage Output DAC

Numéro de référence AD5504
Description Quad-Channel 12-Bit Voltage Output DAC
Fabricant Analog Devices 
Logo Analog Devices 





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AD5504 fiche technique
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
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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 ©2009-2012 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
Free Datasheet http://www.datasheet4u.com/

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