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AD5671R Datasheet(PDF) 1 Page - Analog Devices

Part No. AD5671R
Description  Base station power amplifiers
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5671R Datasheet(HTML) 1 Page - Analog Devices

 
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Octal, 12-/16-Bit nanoDAC+ with
2 ppm/°C Reference, I2C Interface
Data Sheet
AD5671R/AD5675R
Rev. B
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
©2014–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
High performance
High relative accuracy (INL): ±3 LSB maximum at 16 bits
Total unadjusted error (TUE): ±0.14% of FSR maximum
Offset error: ±1.5 mV maximum
Gain error: ±0.06% of FSR maximum
Low drift 2.5 V reference: 2 ppm/°C typical
Wide operating ranges
−40°C to +125°C temperature range
2.7 V to 5.5 V power supply
Easy implementation
User selectable gain of 1 or 2 (GAIN pin/bit)
1.8 V logic compatibility
400 kHz I2C-compatible serial interface
Robust 2 kV HBM and 1.5 kV FICDM ESD rating
20-lead, RoHS-compliant TSSOP and LFCSP
APPLICATIONS
Optical transceivers
Base station power amplifiers
Process control (PLC input/output cards)
Industrial automation
Data acquisition systems
GENERAL DESCRIPTION
The AD5671R/AD5675R are low power, octal, 12-/16-bit
buffered voltage output digital-to-analog converters (DACs).
They include a 2.5 V, 2 ppm/°C internal reference (enabled by
default) and a gain select pin giving a full-scale output of 2.5 V
(gain = 1) or 5 V (gain = 2). The devices operate from a single
2.7 V to 5.5 V supply and are guaranteed monotonic by design.
The AD5671R/AD5675R are available in a 20-lead TSSOP and in
a 20-lead LFCSP and incorporate a power-on reset circuit and a
RSTSEL pin that ensures the DAC outputs power up to zero scale
or midscale and remain there until a valid write. The AD5671R/
AD5675R contain a power-down mode, reducing the current
consumption to 1 μA typical while in power-down mode.
Table 1. Octal nanoDAC+® Devices
Interface
Reference
16-Bit
12-Bit
SPI
Internal
AD5676R
AD5672R
External
AD5676
Not applicable
I2C
Internal
AD5675R
AD5671R
PRODUCT HIGHLIGHTS
1.
High Relative Accuracy (INL)
AD5671R (12-bit): ±1 LSB maximum
AD5675R (16-bit): ±3 LSB maximum
2.
Low Drift, 2.5 V On-Chip Reference
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
INPUT
REGISTER
A0
A1
GND
VOUT7
LDAC
SDA
SCL
AD5671R/AD5675R
RESET
2.5V
REF
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
DAC
REGISTER
STRING
DAC 0
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 1
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 2
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 3
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 4
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 5
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 6
BUFFER
INPUT
REGISTER
DAC
REGISTER
STRING
DAC 7
BUFFER
GAIN
POWER-DOWN
LOGIC
POWER-ON
RESET
VLOGIC
VDD
VREFOUT
RSTSEL
GAIN
×1/×2


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