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AD5697RBRUZ-RL7 Folha de dados(PDF) 1 Page - Analog Devices

Nome de Peças AD5697RBRUZ-RL7
Descrição Electrónicos  Dual, 12-Bit nanoDAC with 2 ppm/째C Reference, I2C Interface
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

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Dual, 12-Bit nanoDAC+
with 2 ppm/°C Reference, I2C Interface
Data Sheet
AD5697R
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
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
©2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
Low drift 2.5 V reference: 2 ppm/°C typical
Tiny package: 3 mm × 3 mm, 16-lead LFCSP
Total unadjusted error (TUE): ±0.1% of full-scale range (FSR)
maximum
Offset error: ±1.5 mV maximum
Gain error: ±0.1% of FSR maximum
High drive capability: 20 mA, 0.5 V from supply rails
User selectable gain of 1 or 2 (GAIN pin)
Reset to zero scale or midscale (RSTSEL pin)
1.8 V logic compatibility
Low glitch: 0.5 nV-sec
400 kHz I2C-compatible serial interface
Robust 3.5 kV HBM and 1.5 kV FICDM ESD rating
Low power: 3.3 mW at 3 V
2.7 V to 5.5 V power supply
−40°C to +105°C temperature range
APPLICATIONS
Base station power amplifiers
Process controls (programmable logic controller [PLC] I/O cards)
Industrial automation
Data acquisition systems
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
GENERAL DESCRIPTION
The AD5697R, a member of the nanoDAC+™ family, is a low power,
dual, 12-bit buffered voltage output digital-to-analog converter
(DAC). The device includes 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 AD5697R operates from
a single 2.7 V to 5.5 V supply, is guaranteed monotonic by design,
and exhibits less than 0.1% FSR gain error and 1.5 mV offset
error performance. The device is available in a 3 mm × 3 mm
LFCSP and a TSSOP package.
The AD5697R also incorporates a power-on reset circuit and a
RSTSEL pin that ensure that the DAC outputs power up to zero
scale or midscale and remain there until a valid write takes
place. It contains a per channel power-down feature that reduces
the current consumption of the device to 4 µA at 3 V while in
power-down mode.
The AD5697R uses a versatile 2-wire serial interface that operates
at clock rates up to 400 kHz and includes a VLOGIC pin intended
for 1.8 V/3 V/5 V logic.
Table 1. Dual nanoDAC+ Devices
Interface
Reference
16-Bit
12-Bit
SPI
Internal
AD5689R
AD5687R
External
AD5689
AD5687
I2C
Internal
AD5697R
External
PRODUCT HIGHLIGHTS
1. Precision DC Performance.
TUE: ±0.1% of FSR maximum
Offset error: ±1.5 mV maximum
Gain error: ±0.1% of FSR maximum
2. Low Drift 2.5 V On-Chip Reference.
2 ppm/°C typical temperature coefficient
5 ppm/°C maximum temperature coefficient
3. Two Package Options.
3 mm × 3 mm, 16-lead LFCSP
16-lead TSSOP
SCL
VLOGIC
SDA
A1
A0
INPUT
REGISTER
DAC
REGISTER
STRING
DAC A
BUFFER
VOUTA
INPUT
REGISTER
DAC
REGISTER
STRING
DAC B
BUFFER
VOUTB
VREF
GND
VDD
POWER-
DOWN
LOGIC
POWER-ON
RESET
GAIN =
×1/×2
RSTSEL
GAIN
LDAC RESET
AD5697R
2.5V
REFERENCE


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