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ADR291GRUZ

更新时间： 2024-02-17 00:05:25
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PC
页数 文件大小 规格书
20页 348K
描述
Low Noise Micropower 2.5 V and 4.096 V Precision Voltage References

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ADR291GRUZ 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：ROHS COMPLIANT, MS-012AA, SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.35
Is Samacsys：N模拟集成电路 - 其他类型：THREE TERMINAL VOLTAGE REFERENCE
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：1
功能数量：1输出次数：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C最大输出电压：2.506 V
最小输出电压：2.494 V标称输出电压：2.5 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Voltage References最大供电电压 (Vsup)：15 V
最小供电电压 (Vsup)：2.8 V标称供电电压 (Vsup)：3 V
表面贴装：YES最大电压温度系数：30 ppm/ °C
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
微调/可调输出：NO最大电压容差：0.24%
宽度：3.9 mmBase Number Matches：1

ADR291GRUZ 数据手册

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Low Noise Micropower 2.5 V and  
4.096 V Precision Voltage References  
ADR291/ADR292  
CONNECTION DIAGRAMS  
FEATURES  
Supply range  
2.8 V to 15 V, ADR291  
4.4 V to 15 V, ADR292  
Supply current: 15 μA maximum  
Low noise: 8 μV and 12 μV p-p (0.1 Hz to 10 Hz)  
High output current: 5 mA  
NC  
1
2
3
4
8
7
6
5
NC  
NC  
V
ADR291/  
ADR292  
V
IN  
NC  
TOP VIEW  
OUT  
(Not to Scale)  
GND  
NC  
NC = NO CONNECT  
Figure 1. 8-Lead SOIC (R-8)  
Temperature range: −40°C to +125°C  
Pin-compatible with REF02/REF19x  
1
2
3
4
NC  
8
7
6
5
NC  
NC  
ADR291/  
ADR292  
V
IN  
NC  
TOP VIEW  
V
OUT  
APPLICATIONS  
(Not to Scale)  
GND  
NC  
Portable instrumentation  
NC = NO CONNECT  
Precision reference for 3 V and 5 V systems  
Analog-to-digital and digital-to-analog converter reference  
Solar-powered applications  
Figure 2. 8-Lead TSSOP (RU-8)  
GND  
Loop-current-powered instruments  
V
V
IN  
OUT  
3
2
1
ADR291  
TOP VIEW  
(Not to Scale)  
Figure 3. 3-Lead TO-92 (T-3)  
GENERAL DESCRIPTION  
The ADR291 and ADR292 are low noise, micropower precision  
voltage references that use an XFET® reference circuit. The new  
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.  
coefficients for the three grades are 8 ppm/°C, 15 ppm/°C, and  
25 ppm/°C maximum, respectively. Line regulation and load  
regulation are typically 30 ppm/V and 30 ppm/mA, maintaining  
the reference’s overall high performance. For a device with 5.0 V  
output, refer to the ADR293 data sheet.  
The ADR291 and ADR292 references are specified over the  
extended industrial temperature range of −40°C to +125°C.  
Devices are available in the 8-lead SOIC, 8-lead TSSOP, and  
3-lead TO-92 packages.  
The ADR291/ADR292 family is a series of voltage references  
providing stable and accurate output voltages from supplies as  
low as 2.8 V for the ADR291. Output voltage options are 2.5 V  
and 4.096 V for the ADR291 and ADR292, respectively.  
Table 1. ADR291/ADR292 Product  
Temperature  
Coefficient  
Output  
Initial  
Quiescent current is only 12 μA, making these devices ideal for  
battery-powered instrumentation. Three electrical grades are  
available offering initial output accuracies of 2 mV, 3 mV,  
and 6 mV maximum for the ADR291, and 3 mV, 4 mV,  
and 6 mV maximum for the ADR292. Temperature  
Part No.  
ADR291  
ADR292  
Voltage (V)  
Accuracy (±±)  
(ppm/°C) Max  
2.500  
4.096  
0.08, 0.12, 0.24  
0.07, 0.10, 0.15  
8, 15, 25  
8, 15, 25  
Rev. F  
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 ©2007–2011 Analog Devices, Inc. All rights reserved.  
 
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ADR291GRUZ 替代型号

型号 品牌 替代类型 描述 数据表
ADR291GRZ ADI

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