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AD5721RBRUZ-RL7 PDF预览

AD5721RBRUZ-RL7

更新时间: 2024-11-20 01:20:31
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
36页 1471K
描述
Multiple Range, 16-/12-Bit, Bipolar/Unipolar Multiple Range

AD5721RBRUZ-RL7 数据手册

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Multiple Range, 16-/12-Bit, Bipolar/Unipolar  
Voltage Output DACs with 2 ppm/°C Reference  
Data Sheet  
AD5761R/AD5721R  
FEATURES  
GENERAL DESCRIPTION  
8 software-programmable output ranges: 0 V to +5 V, 0 V to  
+10 V, 0 V to +16 V, 0 V to +20 V, 3 V, 5 V, 10 V, and −2.5 V  
to +7.5 V; 5% overrange  
Low drift 2.5 V reference: 2 ppm/°C typical  
Total unadjusted error (TUE): 0.1% FSR maximum  
16-bit resolution: 2 LSB maximum INL  
Guaranteed monotonicity: 1 LSB maximum  
Single channel, 16-/12-bit DACs  
The AD5761R/AD5721R are single channel, 16-/12-bit serial  
input, voltage output, digital-to-analog converters (DACs).  
They operate from single supply voltages from +4.75 V to  
+30 V or dual supply voltages from −16.5 V to 0 V VSS and  
+4.75 V to +16.5 V VDD. The integrated output amplifier,  
reference buffer, and reference provide a very easy to use,  
universal solution.  
The devices offer guaranteed monotonicity, integral nonlinearity  
(INL) of 2 LSB maximum, 35 nV/√Hz noise, and 7.5 μs settling  
time on selected ranges.  
Settling time: 7.5 μs typical  
Integrated reference buffers  
Low noise: 35 nV/√Hz  
The AD5761R/AD5721R use a serial interface that operates at  
clock rates of up to 50 MHz and are compatible with DSP and  
microcontroller interface standards. Double buffering allows the  
asynchronous updating of the DAC output. The input coding  
is user-selectable twos complement or straight binary. The  
asynchronous reset function resets all registers to their default  
state. The output range is user selectable, via the RA[2:0] bits  
in the control register.  
Low glitch: 1 nV-sec (0 V to 5 V range)  
1.7 V to 5.5 V digital supply range  
Asynchronous updating via LDAC  
Asynchronous RESET to zero scale/midscale  
DSP-/microcontroller-compatible serial interface  
Robust 4 kV HBM ESD rating  
16-lead, 3 mm × 3 mm LFCSP package  
16-lead TSSOP package  
Operating temperature range: −40°C to +125°C  
The devices available in a 3 mm × 3 mm LFCSP package and a  
16-lead TSSOP package offer guaranteed specifications over the  
−40°C to +125°C industrial temperature range.  
APPLICATIONS  
Industrial automation  
Instrumentation, data acquisition  
Open-/closed-loop servo control, process control  
Programmable logic controllers  
FUNCTIONAL BLOCK DIAGRAM  
V
V
/V  
DD  
REFIN REFOUT  
AD5761R/AD5721R  
2.5V  
REFERENCE  
REFERENCE  
BUFFERS  
DV  
CC  
0V TO 5V  
0V TO 10V  
0V TO 16V  
0V TO 20V  
±3V  
±5V  
±10V  
2.5V TO +7.5V  
ALERT  
SDI  
SCLK  
INPUT SHIFT  
REGISTER  
AND  
CONTROL  
LOGIC  
12/16  
12/16  
12-BIT/  
16-BIT  
DAC  
INPUT  
REG  
DAC  
REG  
V
OUT  
SYNC  
SDO  
RESET  
CLEAR  
DNC  
DGND  
V
LDAC  
AGND  
SS  
NOTES  
1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN.  
Figure 1.  
Rev. C  
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 ©2014–2018 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 

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