Datasheet

REV. C
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may result from its use. No license is granted by implication or otherwise
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a
REF01
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 © Analog Devices, Inc., 2002
10 V Precision
Voltage Reference
SIMPLIFIED SCHEMATIC
C1
R3
R6
R4
R5
R1
Q1
R2
R10
OUTPUT
GROUND
R12 16.7k
TRIM
Q19
R15
INPUT
Q15
Q18
Q16
Q13
Q21
Q17
R13
Q20
Q4
Q3
Q5
Q6
Q9
Q7
Q14
Q12
Q11
Q8
R8
R7
R14
Q10
Q2
R11 2k
R9 50k
4
5
6
1.23V
2
FEATURES
10 V Output, 0.3% Max
Adjustment Range, 3% Min
Excellent Temperature Stability, 8.5 ppm/C Max
Low Noise, 30 V p-p Max
Low Supply Current, 1.4 mA Max
Wide Input Voltage Range, 12 V to 40 V
High Load Driving Capability, 20 mA
No External Components
Short Circuit Proof
GENERAL DESCRIPTION
The REF01 precision voltage reference provides a stable 10 V
output that can be adjusted over a 3% range with minimal effect
on temperature stability. Single-supply operation over an input
voltage range of 12 V to 40 V, a 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
REF01 an excellent choice whenever a stable voltage reference
is required. Applications include D/A and A/D converters,
portable instrumentation, and digital voltmeters. Full military
temperature range devices with screening to MIL-STD-883
are available. For new designs, please refer to ADR01.
Epoxy MINI-DIP (P-Suffix)
8-Lead Hermetic DIP (Z-Suffix)
8-Lead SO (S-Suffix)
8
7
6
5
1
2
3
4
NC = NO CONNECT*
NC
V
IN
NC
NC
NC
V
OUT
TRIMGND
TOP VIEW
(Not to Scale)
REF01
TO-99 (J-Suffix)
7
8
1
4
5
6
3
2
NC
V
OUT
TRIM
GROUND
(CASE)
NC
NC
V
IN
NC
NC = NO CONNECT*
PIN CONFIGURATION
*NC = No Connect. Do not connect anything on these pins as some
of them are reserved for factory testing purposes.

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