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AD5686RTCPZ-EP-RL7

更新时间： 2024-01-30 06:42:34
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亚德诺 - ADI 转换器
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17页 810K
描述
Quad, 16-Bit nanoDAC+™ with 2 ppm/°C On-Chip Reference and SPI Interface

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AD5686RTCPZ-EP-RL7 数据手册

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Quad, 16-Bit nanoDAC+  
with 4 ppm/°C Reference, SPI Interface  
Enhanced Product  
AD5686R-EP  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
GND  
V
REF  
DD  
High relative accuracy (INL): 4 LSB maximum at 16 bits  
Low drift 2.5 V reference: 4 ppm/°C typical  
Tiny package: 3 mm × 3 mm, 16-lead LFCSP  
Total unadjusted error (TUE): 0.1ꢀ of FSR maximum  
Offset error: 1.5 mV maximum  
Gain error: 0.1ꢀ of FSR maximum  
High drive capability: 15 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  
2.5V  
AD5686R-EP  
REFERENCE  
V
LOGIC  
STRING  
DAC A  
INPUT  
REGISTER  
DAC  
V
V
V
V
A
B
C
D
OUT  
OUT  
OUT  
OUT  
REGISTER  
SCLK  
SYNC  
SDIN  
SDO  
BUFFER  
BUFFER  
BUFFER  
BUFFER  
STRING  
DAC B  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC C  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC D  
INPUT  
REGISTER  
DAC  
REGISTER  
50 MHz SPI with readback or daisy chain  
Low glitch: 0.5 nV-sec  
Low power: 3.3 mW at 3 V  
POWER-ON  
RESET  
GAIN  
×1/×2  
POWER-  
DOWN  
LOGIC  
LDAC RESET  
RSTSEL  
GAIN  
2.7 V to 5.5 V power supply  
Figure 1.  
ENHANCED PRODUCT FEATURES  
Supports defense and aerospace applications (AQEC)  
Temperature range: −55°C to +125°C  
Controlled manufacturing baseline  
1 assembly/test site  
1 fabrication site  
Enhanced product change notification  
Qualification data available on request  
APPLICATIONS  
Optical transceivers  
Base-station power amplifiers  
Process control (PLC input/output cards)  
Industrial automation  
Data acquisition systems  
reduces the current consumption of the device to 4 μA at 3 V  
while in power-down mode.  
GENERAL DESCRIPTION  
The AD5686R-EP, a member of the nanoDAC+® family, is a low  
power, quad, 16-bit buffered voltage output digital-to-analog  
converter (DAC). The device includes a 2.5 V, 4 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 device  
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 package.  
The AD5686R-EP employs a versatile serial peripheral interface  
(SPI) that operates at clock rates up to 50 MHz, and contains a  
V
LOGIC pin that is intended for 1.8 V/3 V/5 V logic.  
Additional application and technical information can be found  
in the AD5686R/AD5685R/AD5684R data sheet.  
PRODUCT HIGHLIGHTS  
1. High Relative Accuracy (INL).  
4 LSB maximum.  
2. Low Drift 2.5 V On-Chip Reference.  
4 ppm/°C typical temperature coefficient.  
13 ppm/°C maximum temperature coefficient.  
The AD5686R-EP also incorporates a power-on reset circuit and a  
RSTSEL pin that ensures that the DAC outputs power up to zero  
scale or midscale and remains there until a valid write occurs.  
The device contains a per-channel power-down feature that  
Rev. A  
Document Feedback  
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.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2015–2016 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 
 
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