参数资料
型号: REF02CS
厂商: Analog Devices Inc
文件页数: 1/16页
文件大小: 0K
描述: IC VREF SERIES PREC 5V 8-SOIC
产品变化通告: Input Voltage Max Change 23/Mar/2009
Product Discontinuance 27/Oct/2011
标准包装: 98
基准类型: 串联,精度
输出电压: 5V
容差: ±0.45%
温度系数: 65ppm/°C
输入电压: 7 V ~ 40 V
通道数: 1
电流 - 静态: 1.6mA
电流 - 输出: 10mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件

5 V Precision Voltage
Reference/Temperature Transducer
REF02
FEATURES
5 V output: ±0.3% maximum
PIN CONFIGURATIONS
NC
Temperature voltage output: 1.96 mV/°C
Adjustment range: ±3% minimum
Excellent temperature stability: 8.5 ppm/°C maximum
NC 1
V IN 2
NC 3
8
7
5
NC
V OUT
6
TRIM
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
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)
Short-circuit proof
GENERAL DESCRIPTION
NC 1
V IN 2
TEMP 3
GND 4
REF02
TOP VIEW
(Not to Scale)
8
7
6
5
NC
NC
V OUT
TRIM
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,
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEM ARE RESERVED
FOR FACTORY TESTING PURPOSES.
Figure 2. 8-Lead PDIP (P-Suffix), 8-Lead CERDIP (Z-Suffix)
and 8-Lead SOIC (S-Suffix)
and excellent temperature stability are achieved with an
improved band gap design. Low cost, low noise, and low power
NC 4
3
2
1
20 19
18
NC
make the REF02 an excellent choice whenever a stable voltage
reference is required. Applications include DACs and ADCs,
V IN 5
NC 6
TEMP 7
REF02
TOP VIEW
(Not to Scale)
17
16
15
NC
NC
V OUT
portable instrumentation, and digital voltmeters. The versatility
of the REF02 is enhanced by its use as a monolithic temperature
NC
8
9
10 11 12 13
14
NC
transducer. For new designs, refer to the ADR02.
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
INPUT
REF02 OPTION
R9
R11
R12
R8
R7
R14
2
883C PRODUCT
18k ?
2k ?
6.1k ?
Q15
P, S, J, Z PACKAGES 18k ?
4.5k ?
15k ?
Q8
Q7
Q14
Q13
R15
Q9
Q18
Q12
Q16
Q19
C1
Q11
Q21
R3
R4
R6
Q6
Q5
Q10
Q17
R13
R12*
6
OUTPUT
Q4
Q3
R9*
Q1
R5
Q2
Q20
≈ 1.23V
5
TRIM
TEMP
3 R1
R10
R11*
R2
GROUND
*SEE OUTPUT RESISTORS
Figure 4. Simplified Schematic
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
4
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Trademarks and registered trademarks are the property of their respective owners.
Fax: 781.461.3113
? 2005 Analog Devices, Inc. All rights reserved.
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