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REF191ES-REEL PDF预览

REF191ES-REEL

更新时间： 2024-01-07 06:23:56
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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
28页 659K
描述
Precision Micropower, Low Dropout Voltage References

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中文翻译

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REF191ES-REEL 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：,
针数：8Reach Compliance Code：unknown
Base Number Matches：1

REF191ES-REEL 数据手册

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Precision Micropower, Low Dropout  
Voltage References  
REF19x Series  
TEST PINS  
FEATURES  
Test Pin 1 and Test Pin 5 are reserved for in-package Zener zap.  
To achieve the highest level of accuracy at the output, the Zener  
zapping technique is used to trim the output voltage. Since each  
unit may require a different amount of adjustment, the resistance  
value at the test pins varies widely from pin to pin and from  
part to part. The user should leave Pin 1 and Pin 5  
unconnected.  
Initial accuracy: 2 mV maximum  
Temperature coefficient: 5 ppm/°C maximum  
Low supply current: 45 μA maximum  
Sleep mode: 15 μA maximum  
Low dropout voltage  
Load regulation: 4 ppm/mA  
Line regulation: 4 ppm/V  
High output current: 30 mA  
Short-circuit protection  
TP  
1
2
3
4
8
7
6
5
NC  
REF19x  
SERIES  
TOP VIEW  
(Not to Scale)  
V
NC  
S
APPLICATIONS  
Portable instruments  
ADCs and DACs  
Smart sensors  
Solar-powered applications  
Loop current-powered instruments  
SLEEP  
GND  
OUTPUT  
TP  
NOTES  
1. NC = NO CONNECT.  
2. TP PINS ARE FACTORY TEST  
POINTS, NO USER CONNECTION.  
Figure 1. 8-Lead SOIC_N and TSSOP Pin Configuration  
(S Suffix and RU Suffix)  
GENERAL DESCRIPTION  
TP  
1
2
3
4
8
7
6
5
NC  
The REF19x series precision band gap voltage references use a  
patented temperature drift curvature correction circuit and  
laser trimming of highly stable, thin-film resistors to achieve a  
very low temperature coefficient and high initial accuracy.  
REF19x  
SERIES  
TOP VIEW  
(Not to Scale)  
V
NC  
S
SLEEP  
GND  
OUTPUT  
TP  
NOTES  
1. NC = NO CONNECT.  
2. TP PINS ARE FACTORY TEST  
POINTS, NO USER CONNECTION.  
The REF19x series is made up of micropower, low dropout  
voltage (LDV) devices, providing stable output voltage from  
supplies as low as 100 mV above the output voltage and  
consuming less than 45 μA of supply current. In sleep mode,  
which is enabled by applying a low TTL or CMOS level to the  
Figure 2. 8-Lead PDIP Pin Configuration  
(P Suffix)  
SLEEP  
Table 1. Nominal Output Voltage  
pin, the output is turned off, and supply current is  
Part Number  
Nominal Output Voltage (V)  
further reduced to less than 15 μA.  
REF191  
REF192  
REF193  
REF194  
REF195  
REF196  
REF198  
2.048  
2.50  
3.00  
4.50  
5.00  
3.30  
4.096  
The REF19x series references are specified over the extended  
industrial temperature range (−40°C to +85°C), with typical  
performance specifications over −40°C to +125°C for  
applications such as automotive.  
All electrical grades are available in an 8-lead SOIC_N package;  
the PDIP and TSSOP packages are available only in the lowest  
electrical grade. Products are also available in die form.  
Rev. I  
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  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
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中文翻译

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REF191ES-REEL 替代型号

型号 品牌 替代类型 描述 数据表
REF191ESZ-REEL ADI

完全替代

 Precision Micropower, Low Dropout Voltage References
ADR420BRZ ADI

类似代替

 Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
REF191GSZ ADI

类似代替

 Precision Micropower, Low Dropout Voltage References

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REF191GPZ ROCHESTER

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REF191GRU ADI

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