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ADR293ERZ

更新时间： 2024-11-21 12:32:59
品牌 Logo 应用领域
亚德诺 - ADI 电源电路参考电压源光电二极管
页数 文件大小 规格书
12页 261K
描述
Low Noise, Micropower 5.0 V Precision Voltage Reference

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ADR293ERZ 数据手册

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Low Noise, Micropower  
5.0 V Precision Voltage Reference  
ADR293  
FEATURES  
PIN CONFIGURATIONS  
6.0 V to 15 V supply range  
NC  
1
2
3
4
8
7
6
5
NC  
NC  
ADR293  
TOP VIEW  
(Not to Scale)  
V
Supply current: 15 μA maximum  
Low noise: 15 μV p-p typical (0.1 Hz to 10 Hz)  
High output current: 5 mA  
IN  
NC  
V
OUT  
GND  
NC  
NC = NO CONNECT  
Temperature range: −40°C to +125°C  
Pin-compatible with the REF02/REF19x  
Figure 1. 8-Lead Narrow Body SOIC (R-8)  
APPLICATIONS  
Portable instrumentation  
Precision reference for 5 V systems  
ADC and DAC reference  
Solar-powered applications  
Loop-current powered instruments  
1
2
3
4
NC  
8
7
6
5
NC  
NC  
V
ADR293  
TOP VIEW  
(Not to Scale)  
IN  
NC  
V
OUT  
GND  
NC  
NC = NO CONNECT  
Figure 2. 8-Lead TSSOP (RU-8)  
GENERAL DESCRIPTION  
The ADR293 is a low noise, micropower precision voltage  
reference that utilizes an XFET® (eXtra implanted junction FET)  
reference circuit. The XFET architecture offers significant  
performance improvements over traditional band gap and  
buried Zener-based references. Improvements include one  
quarter the voltage noise output of band gap references  
operating at the same current, very low and ultralinear  
temperature drift, low thermal hysteresis, and excellent long-  
term stability.  
15 ppm/°C, and 25 ppm/°C maximum. Line regulation and load  
regulation are typically 30 ppm/V and 30 ppm/mA, respectively,  
maintaining the reference’s overall high performance.  
The ADR293 is specified over the extended industrial  
temperature range of –40°C to +125°C. This device is available  
in the 8-lead SOIC and 8-lead TSSOP packages.  
Table 1. ADR29x Products  
Temperature  
Coefficient  
Output  
Initial  
The ADR293 is a series voltage reference providing stable and  
accurate output voltage from a 6.0 V supply. Quiescent current  
is only 15 μA maximum, making this device ideal for battery  
powered instrumentation. Three electrical grades are available  
offering initial output accuracy of 3 mV, 6 mV, and 10 mV.  
Temperature coefficients for the three grades are 8 ppm/°C,  
Device  
ADR291  
ADR292  
ADR293  
Voltage (V)  
Accuracy (%)  
(ppm/°C max)  
2.500  
4.096  
5.000  
0.08, 0.12, 0.24 8, 15, 25  
0.07, 0.10, 0.15 8, 15, 25  
0.06, 0.12, 0.20 8, 15, 25  
Rev. D  
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 www.analog.com  
Fax: 781.461.3113 ©2001-2011 Analog Devices, Inc. All rights reserved.  
 
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ADR293ERZ 替代型号

型号 品牌 替代类型 描述 数据表
ADR293ERZ-REEL ADI

完全替代

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ADR125BUJZ-REEL7 ADI

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