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AD5066 Fiches technique(PDF) 1 Page - Analog Devices

No de pièce AD5066
Description  Fully Accurate 16-Bit UnBuffered VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD5066 Fiches technique(HTML) 1 Page - Analog Devices

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Fully Accurate 16-Bit UnBuffered VOUT DAC SPI
Interface 2.7 V to 5.5 V in a TSSOP
Preliminary Technical Data
AD5066
Rev. PrB
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
www.analog.com
Fax: 781.461.3113
© 2007 Analog Devices, Inc. All rights reserved.
FEATURES
Low power Quad 16 bit DAC, ± 1LSB INL
Individual reference pins
2.7 V to 5.5 V power supply
Unbuffered voltage output capable of driving 60KΩ
Fast Settling time of 4 us typically
Power-on reset to zero scale or mid-scale
Per channel power-down
3 power-down functions
Low glitch on power up
Hardware LDAC with LDAC override function
CLR Function to programmable code
Small 16 lead TSSOP
APPLICATIONS
Process control
Data acquisition systems
Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Programmable attenuators
FUNCTIONAL BLOCK DIAGRAMS
Figure 1.AD5066
Table 1. Related Devices
Part No.
Description
AD5666
Quad,16-bit buffered D/A,16 LSB INL, TSSOP
AD5065/45/25
Quad,16-bit buffered D/A,1 LSB INL, TSSOP
AD5064/44/24
Quad 16-bit nanoDAC, 1 LSB INL, TSSOP
AD5063/62
16-bit nanoDAC, 1 LSB INL, MSOP
AD5061
16-/14bit nanoDAC, 4 LSB INL, SOT-23
AD5060/40
16-/14bit nanoDAC, 1 LSB INL, SOT-23
GENERAL DESCRIPTION
The AD5066 is a low power, 16-bit quad-channel, unbuffered
voltage-out DAC offering relative accuracy specs of 1LSB INL
with individual reference pin and can operate from a single
2.7V to 5.5V. The AD5066 parts also offer a differential
accuracy specification of ±1 LSB. Reference buffers are also
provided on-chip. The parts use a versatile 3-wire, low power
Schmitt trigger serial interface that operates at clock rates up to
50 MHz and is compatible with standard SPI®, QSPI™,
MICROWIRE™, and DSP interface standards. The AD5066
incorporates a power-on reset circuit that ensures the DAC
output powers up zero scale or midscale and remains there until
a valid write takes place to the device. The AD5066 contain a
power-down feature that reduces the current consumption of
the device to typically 330 nA at 5 V and provides software
selectable output loads while in power-down mode. The part
can be placed into power-down mode over the serial interface.
Total unadjusted error for the part is <0.8 mV. Both parts
exhibit very low glitch on power-up.
The outputs of all DACs can be updated simultaneously using
the LDAC function, with the added functionality of user-select-
able DAC channels to simultaneously update. There is also an
asynchronous CLR that clears all DACs to a software-selectable
code - 0 V, midscale, or full scale.
PRODUCT HIGHLIGHTS
1.
Quad channel available in 16-lead TSSOP package.
2.
Individual voltage reference pins
3.
16 bit accurate, 1 LSB INL.
4.
Low glitch on power-up.
5.
High speed serial interface with clock speeds up to 50 MHz.
6.
Three power-down modes available to the user.
7.
Reset to known output voltage (zero scale).


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