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AD5066 PDF даташит

Спецификация AD5066 изготовлена ​​​​«Analog Devices» и имеет функцию, называемую «Fully Accurate 16-Bit UnBuffered VOUT DAC SPI Interface 2.7 V to 5.5 V».

Детали детали

Номер произв AD5066
Описание Fully Accurate 16-Bit UnBuffered VOUT DAC SPI Interface 2.7 V to 5.5 V
Производители Analog Devices
логотип Analog Devices логотип 

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AD5066 Даташит, Описание, Даташиты
Preliminary Technical Data
Fully Accurate 16-Bit UnBuffwewrwe.DdatVaSOhUeTetD4UA.cComSPI
Interface 2.7 V to 5.5 V in a TSSOP
AD5066
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
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.
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
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).
Rev. PrB
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.
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.









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AD5066 Даташит, Описание, Даташиты
AD5066
TABLE OF CONTENTS
REVISION HISTORY
PreliminarywTwewc.DhatnaiScheaelt4DU.caotma
Rev. PrB | Page 2 of 20









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AD5066 Даташит, Описание, Даташиты
Preliminary Technical Data
AD5066www.DataSheet4U.com
SPECIFICATIONS
VDD = 2.7 V to 5.5 V, RL = 2 kΩ to GND, CL = 200 pF to GND, 2.2V VREFIN . VDD unless otherwise specified. All specifications TMIN to
TMAX, unless otherwise noted.
Table 2.
A Grade1 2
B Grade1
Parameter
STATIC PERFORMANCE3
Resolution
Relative Accuracy
Differential Nonlinearity
Total Unadjusted Error
(TUE)
Offset Error
Offset Error Temperature
Coefficient
Full-Scale Error
Min
16
Gain Error
Gain Temperature Coefficient
DC Power Supply Rejection
Ratio
DC Crosstalk
(External Reference)
OUTPUT CHARACTERISTICS4
Output Voltage Range
DC Output Impedance
(Normal mode)
DC Output Impedance
(output connected to 100kΩ
network)
(output connected to 1kΩ
network)
Power-Up Time
0
DC PSRR
Wideband SFDR
REFERENCE INPUTS
Reference Input Range
Reference Current
Reference Input Impedance
2
Typ Max Min
±0.5
±0.5
±0.5
±0.5
±500
±4
±4
±1
±1
±800
16
±500
0.05
±0.5
±800
0.1
±500 ±800
±500
±0.01
–80
±800
±0.02
±1
0.5
0.5
0.5
VDD 0
8
4.5
-92
-67
VDD 2
40 50
120
Typ Max Unit
±0.5
±0.5
±0.5
±0.5
±500
±1
±1.5
±1
±1
800
Bits
LSB
LSB
μV
±500
0.05
±0.5
800
0.1
μV
±mV
μV/°C
±500 800 μV
±500
±0.01
–80
800
±0.02
±1
μV
% FSR
ppm
dB
0.5 LSB
0.5 LSB/m
A
0.5 LSB
VDD V
8 kΩ
100 kΩ
1 kΩ
4.5 μs
-92 dB
-67 dB
VDD V
40 50 μA
120 KΩ
Conditions/Comments
AD5066
AD5066
AD5066
AD5066
AD5066
AD5066
TA = -40°C to +105°C
TA = -40°C to +125°C
TA = -40°C to +105°C
TA = -40°C to +125°C
TA = -40°C to +105°C
AD5066 TA = -40°C to +125°C
All 0s loaded to DAC register
TA = -40°C to +105°C All 1s loaded to DAC
register
TA = -40°C to +125°C
Ppm Of FSR/°C
VDD ± 10%
Due to single-channel full-scale output
change,
RL = 2 kΩ to GND or VDD
Due to load current change
Due to powering down (per channel)
Output impedance tolerance ±10%
DAC in Power Down mode
Output impedance tolerance ± 20kΩ
Output impedance tolerance ± 400Ω
All DACs coming out of power-down mode
VDD = 5 V
VDD±10%, DAC = full scale
Output frequency = 10Khz
Per DAC channel
Per DAC channel
LOGIC INPUTS4
Input Current5
Input Low Voltage, VINL
Input High Voltage, VINH
2
±3
0.8
2
±3 μA
0.8 V
V
All digital inputs
VDD = 5 V
VDD = 5 V
Rev. PrB | Page 3 of 20










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