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AD5542A - Analog Devices - (AD5512A - AD5542A) 16-/12-Bit NanoDAC

Номер произв AD5542A
Описание (AD5512A - AD5542A) 16-/12-Bit NanoDAC
Производители Analog Devices
логотип Analog Devices логотип 
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AD5542A Даташит, Описание, Даташиты
2.7 V to 5.5 V, Serial-Input, Voltage-Output,
16-/12-Bit nanoDACs in LFCSP
Preliminary Technical Data
AD5541A/AD5542A/AD5512A
FEATURES
Low power, 1 LSB INL nanoDACs
AD5541A: 16 bits
AD5542A: 16 bits
AD5512A: 12 bits
2.7 V to 5.5 V single-supply operation
Low glitch: 0.5 nV-s
Unbuffered voltage output capable of driving 60 kΩ loads
directly
VLOGIC pin provides 1.8 V digital interface capability
Hardware CLR and LDAC functions
50 MHz SPI-/QSPI-/MICROWIRE-/DSP-compatible interface
standards
Power-on reset clears DAC output to zeroscale and midscale
Schmitt trigger inputs
Available in 3 mm × 3 mm 16-LFCSP, 10-LFCSP, and 8-LFCSP
Also available in10-MSOP and 16-TSSOP
APPLICATIONS
Automatic test equipment
Precision Source-measure Instruments
Data Acquisition Systems
Medical Instrumentation
Aerospace Instrumentation
Communications Infrastructure equipment
Industrial Control
GENERAL DESCRIPTION
The AD5541A/AD5542A/AD5512A1 are single, 16-/16-/12-bit,
www.DasetariSahleinept4uUt,.cuonmbuffered voltage output digital-to-analog conver-
ters (DACs) that operate from a single 2.7 V to 5.5 V supply.
The AD5541A/AD5542A/AD5512A utilize a versatile 3-wire
interface that is compatible with a 50 MHz SPI, QSPI™,
MICROWIRE™, and DSP interface standards.
These DACs provide 16-/12-bit performance without any adjust-
ments. The DAC output is unbuffered, which reduces power
consumption and offset errors contributed to by an output buffer.
The AD5542A/AD5512A can be operated in bipolar mode, which
generates a ±VREF output swing. The AD5542A/AD5512A also
includes Kelvin sense connections for the reference and analog
ground pins to reduce layout sensitivity.
The AD5541A is available in 10-lead 3 mm × 3 mm LFCSP and
10-lead MSSOP. The AD5541A-1 is available in 8-lead 3 mm ×
3 mm LFCSP. The AD5542A/AD5512A are available in 16-lead
3 mm × 3 mm LFCSP and the AD5542A is also available in
16-lead TSSOP. The AD5542A-1 is available in 10-lead LFCSP.
The AD5541A and AD5542A are specified over a temperature
Rev. PrA
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
range of −40°C to 105°C.
FUNCTIONAL BLOCK DIAGRAMS
Figure 1. AD5541A
Figure 2. AD5541A-1
Figure 3. AD5542A
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
©2009 Analog Devices, Inc. All rights reserved.
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AD5542A Даташит, Описание, Даташиты
AD5541A/AD5542A/AD5512A
Preliminary Technical Data
Figure 4.
1 All references to the AD5541A/AD5542A/AD5512A incorporate all models (see Ordering Guide) including the AD5541A-1/AD5542A-1 unless specified.
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Rev. PrA| Page 2 of 24
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AD5542A Даташит, Описание, Даташиты
Preliminary Technical Data
TABLE OF CONTENTS
Features ...............................................................................................1 
Applications .......................................................................................1 
General Description..........................................................................1 
Functional Block Diagrams .............................................................1 
Revision History................................................................................3 
Specifications .....................................................................................4 
Timing Characteristics .................................................................5 
Absolute Maximum Ratings ............................................................6 
ESD Caution ..................................................................................6 
Pin Configurations and Function Descriptions............................7 
Typical Performance Characteristics ..............................................9 
Terminology.....................................................................................12 
Theory of Operation .......................................................................13 
Digital-to-Analog Section..........................................................13 
Serial Interface.............................................................................13 
Unipolar Output Operation.......................................................13 
REVISION HISTORY
AD5541A/AD5542A/AD5512AA
Bipolar Output Operation .........................................................14 
Output Amplifier Selection .......................................................14 
Force Sense Amplifier Selection ...............................................14 
Reference and Ground ...............................................................14 
Power-On Reset...........................................................................15 
Power Supply and Reference Bypassing...................................15 
Microprocessor Interfacing ...........................................................16 
AD5541/AD5542 to ADSP-2101/ADSP-2103 Interface........16 
AD5541/AD5542 to 68HC11/68L11 Interface .......................16 
AD5541/AD5542 to MICROWIRE Interface .........................16 
AD5541/AD5542 to 80C51/80L51 Interface...........................16 
Applications Information...............................................................17 
Optocoupler Interface ................................................................17 
Decoding Multiple AD5541/AD5542s.....................................17 
Outline Dimensions........................................................................18 
Ordering Guide ...........................................................................21 
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