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REF02CPZ2

更新时间： 2024-09-24 04:08:31
品牌 Logo 应用领域
亚德诺 - ADI 传感器温度传感器
页数 文件大小 规格书
16页 549K
描述
5 V Precision Voltage Reference/Temperature Transducer

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REF02CPZ2 数据手册

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5 V Precision Voltage  
Reference/Temperature Transducer  
REF02  
FEATURES  
PIN CONFIGURATIONS  
NC  
5 V output: 0.3% maximum  
8
NC  
NC  
1
3
7
5
Temperature voltage output: 1.96 mV/°C  
Adjustment range: 3% minimum  
Excellent temperature stability: 8.5 ppm/°C maximum  
Low noise: 15 µV p-p maximum  
Low supply current: 1.4 mA maximum  
Wide input voltage range: 7 V to 40 V  
High load-driving capability: 10 mA  
No external components  
V
2
6
V
OUT  
IN  
NC  
TRIM  
4
GROUND  
(CASE)  
NC = NO CONNECT. DO NOT CONNECT ANYTHING  
ON THESE PINS. SOME OF THEM ARE RESERVED  
FOR FACTORY TESTING PURPOSES.  
Figure 1. 8-Lead TO-99 (J-Suffix)  
NC  
1
2
3
4
8
7
6
5
NC  
NC  
Short-circuit proof  
REF02  
V
IN  
TOP VIEW  
TEMP  
GND  
V
OUT  
(Not to Scale)  
TRIM  
GENERAL DESCRIPTION  
NC = NO CONNECT. DO NOT CONNECT ANYTHING  
ON THESE PINS. SOME OF THEM ARE RESERVED  
FOR FACTORY TESTING PURPOSES.  
The REF02 precision voltage reference provides a stable 5 V  
output that can be adjusted over a ±±6 range with minimal  
effect on temperature stability. Single-supply operation over an  
input voltage range of 7 V to 40 V, low current drain of 1 mA,  
and excellent temperature stability are achieved with an  
improved band gap design. Low cost, low noise, and low power  
make the REF02 an excellent choice whenever a stable voltage  
reference is required. Applications include DACs and ADCs,  
portable instrumentation, and digital voltmeters. The versatility  
of the REF02 is enhanced by its use as a monolithic temperature  
transducer. For new designs, refer to the ADR02.  
Figure 2. 8-Lead PDIP (P-Suffix), 8-Lead CERDIP (Z-Suffix)  
and 8-Lead SOIC (S-Suffix)  
3
2
1
20 19  
4
5
6
7
8
18  
17  
16  
15  
14  
NC  
NC  
NC  
NC  
V
IN  
REF02  
NC  
TEMP  
NC  
TOP VIEW  
(Not to Scale)  
V
OUT  
NC  
9
10 11 12 13  
NC = NO CONNECT. DO NOT CONNECT ANYTHING  
ON THESE PINS. SOME OF THEM ARE RESERVED  
FOR FACTORY TESTING PURPOSES.  
Figure 3. 20-Terminal LCC (RC-Suffix)  
OUTPUT RESISTORS  
R8  
INPUT  
2
R7  
R14  
REF02 OPTION  
883C PRODUCT  
R9  
R11  
R12  
Q15  
18kΩ  
2kΩ  
6.1kΩ  
15kΩ  
R15  
Q14  
Q13  
Q8  
Q7  
Q9  
P, S, J, Z PACKAGES 18kΩ  
4.5kΩ  
Q18  
Q12  
Q11  
Q16  
Q19  
Q21  
C1  
R4  
Q17  
Q10  
R6  
Q6  
Q5  
OUTPUT  
TRIM  
6
5
R13  
R3  
R12*  
R9*  
Q4  
Q3  
R5  
≈
1.23V  
Q20  
R10  
Q2  
Q1  
R1  
R11*  
3
TEMP  
R2  
GROUND  
*SEE OUTPUT RESISTORS  
4
Figure 4. Simplified Schematic  
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  
© 2005 Analog Devices, Inc. All rights reserved.  
 
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