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AD5501 Datasheet

High Voltage DAC

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AD5501 pdf
Data Sheet
FEATURES
Single-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
Wide operating temperature range: −40°C to +105°C
APPLICATIONS
Programmable voltage sources
High voltage LED drivers
Receiver bias in optical communications
12-Bit, High Voltage DAC
with SPI Interface
AD5501
GENERAL DESCRIPTION
The AD5501 is a single-channel, 12-bit, serial input, digital-to-
analog converter (DAC) with an on-chip high voltage output
amplifier and an integrated precision reference. The DAC output
voltage range is programmable via the range select pin (R_SEL).
If R_SEL is held high, the DAC output range is 0 V to 30 V. If
R_SEL is held low, the DAC output range is 0 V to 60 V. The on
chip output amplifier allows an output swing within the range
of AGND + 0.5 V to VDD − 0.5 V.
The AD5501 has a high speed serial interface, which is compatible
with SPI®-, QSPI™-, MICROWIRE™-, and DSP-interface standards
and can handle clock speeds of up to 16.667 MHz.
SYNC
SCLK
SDI
SDO
LDAC
ALARM
FUNCTIONAL BLOCK DIAGRAM
VLOGIC
VDD
POWER-ON
RESET
DAC
REGISTER
PRECISION
REFERENCE
122.36kΩ
REF(+)
12-BIT
DAC
1713kΩ
OUTPUT
BUFFER
+
VFB
VOUT
INPUT
CONTROL
LOGIC
POWER-DOWN
CONTROL LOGIC
TEMPERATURE
SENSOR
RESISTOR
NETWORK
AD5501
CLR R_SEL
DGND
Figure 1.
AGND
Rev. C
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
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Analog Devices Semiconductor Electronic Components Datasheet

AD5501 Datasheet

High Voltage DAC

No Preview Available !

AD5501 pdf
AD5501
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 4
AC Characteristics........................................................................ 5
Timing Characteristics ................................................................ 6
Absolute Maximum Ratings............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 12
Theory of Operation ...................................................................... 13
Power-Up State ........................................................................... 13
REVISION HISTORY
12/12—Rev. B to Rev. C
Changes to t4 Parameter, Table 4 .................................................... 6
Changes to Figure 3 and Figure 4................................................... 7
Changes to Pin 2 Description, Table 7 and Pin 3 Description,
Table 7 ................................................................................................ 9
Changes to Write Mode Section ................................................... 15
Changes to Table 10........................................................................ 16
Data Sheet
Power-Down Mode .................................................................... 13
DAC Channel Architecture....................................................... 13
VFB Pin.......................................................................................... 13
Selecting the Output Range ...................................................... 14
CLR Function.............................................................................. 14
LDAC Function .......................................................................... 14
Temperature Sensor ................................................................... 14
Power Dissipation....................................................................... 14
Power Supply Sequencing ......................................................... 14
Serial Interface ................................................................................ 15
Write Mode ................................................................................. 15
Read Mode .................................................................................. 15
Writing to the Control Register................................................ 15
Interfacing Examples ................................................................. 16
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 17
4/12—Rev. A to Rev. B
Changes to Product Title..................................................................1
Changes to Figure 15 and Figure 16 ............................................ 13
10/10—Rev. 0 to Rev. A
Changes to Figure 3 and Figure 4....................................................7
7/09—Revision 0: Initial Version
Rev. C | Page 2 of 20
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Part Number AD5501
Description High Voltage DAC
Maker Analog Devices
Total Page 20 Pages
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