5 V Precision Voltage
Reference/Temperature Transducer
REF02
FEATURES
5 V output, 鹵0.3% max
Temperature voltage output, 1.96 mV/擄C
Adjustment range, 鹵3% min
Excellent temperature stability, 8.5 ppm/擄C max
Low noise, 15 碌V p-p max
Low supply current, 1.4 mA max
Wide input voltage range, 7 V to 40 V
High load-driving capability, 10 mA
No external components
Short-circuit proof
PIN CONFIGURATIONS
NC
8
NC
1
V
IN 2
NC
3
4
7
NC
6
V
OUT
5
TRIM
GROUND
(CASE)
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEM ARE RESERVED
FOR FACTORY TESTING PURPOSES.
00375-F-001
00375-F-003
Figure 1. TO-99 (J-Suffix)
NC
1
8
NC
NC
V
IN 2
REF02
TOP VIEW
(Not to Scale)
7
TEMP
3
6
V
OUT
GND
4
5
TRIM
00375-F-002
GENERAL DESCRIPTION
The REF02 precision voltage reference provides a stable 5 V
output that can be adjusted over a 鹵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 ADR02.
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-Lease CERDIP (Z-Suffix),
8-Lead SOIC (S-Suffix)
NC
NC
NC
1
3
2
NC
4
V
IN 5
NC
6
TEMP
7
NC
8
9
NC
20
19
NC
18
NC
17
NC
16
NC
15
V
OUT
14
NC
REF02
TOP VIEW
(Not to Scale)
10
11
12
13
GND
NC
NC
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEM ARE RESERVED
FOR FACTORY TESTING PURPOSES.
Figure 3. REF02RC/883 LCC (RC-Suffix)
OUTPUT RESISTORS
REF02 OPTION
Z PACKAGE AND
883C PRODUCT
P, S, RJ PACKAGES
R9
18k鈩?/div>
18k鈩?/div>
R11
2k鈩?/div>
4.5k鈩?/div>
R12
6.1k鈩?/div>
15k鈩?/div>
R8
R7
R14
TRIM
NC
INPUT
2
Q15
Q8
Q7
Q14
Q13
R15
Q9
Q12
Q11
C1
R6
R3
R4
Q10
Q18
Q16
Q21
Q17
R13
R12*
6
Q19
Q6
Q5
OUTPUT
Q4
Q1
3
R1
Q3
Q20
R9*
R5
Q2
鈮?/div>
1.23V
R11*
5
TRIM
TEMP
R10
4
*SEE OUTPUT RESISTORS
GROUND
Figure 4. Simplified Schematic
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
registered trademarks are the 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: 781.326.8703
漏 2004 Analog Devices, Inc. All rights reserved.
00375-F-004
R2
REF02Z 產(chǎn)品屬性
1
集成電路 (IC)
PMIC - 電壓基準(zhǔn)
-
串聯(lián)，精度
5V
±0.45%
25ppm/°C
7 V ~ 40 V
1
-
1.4mA
10mA
-55°C ~ 125°C
通孔
8-CDIP（0.300"，7.62mm）
8-CERDIP
管件
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