廬
REF101
Precision
VOLTAGE REFERENCE
FEATURES
q
+10.00V OUTPUT
q
HIGH ACCURACY:
鹵
0.005V
q
VERY LOW DRIFT: 1ppm/
擄
C max
q
EXCELLENT STABILITY: 50ppm/1000hrs
q
LOW NOISE: 6
碌
Vp-p typ, 0.1Hz to 10Hz
q
WIDE SUPPLY RANGE: Up to 35V
q
LOW QUIESCENT CURRENT: 6mA max
q
USEFUL MATCHED RESISTOR PAIR
INCLUDED
APPLICATIONS
q
PRECISION CALIBRATED VOLTAGE
STANDARD
q
TRANSDUCER EXCITATION
q
D/A AND A/D CONVERTER REFERENCE
q
PRECISION CURRENT REFERENCE
q
ACCURATE COMPARATOR THRESHOLD
REFERENCE
q
DIGITAL VOLTMETERS
q
TEST EQUIPMENT
DESCRIPTION
The REF101 is a precision voltage reference which
provides a +10.00V output. The drift is laser-trimmed
to 1ppm/擄C max (KM grade) over the full specifica-
tion range. This is in contrast to some references
which guarantee drift over a limited portion of their
specification temperature range. The REF101 achieves
its precision without a heater. This results in low
quiescent current (4.5mA typ), fast warm-up (1ms to
0.1%), excellent stability (50ppm/1000hrs typ), and
low noise (25碌Vp-p max, 0.1Hz to 10Hz).
The output can be adjusted with minimal effect on
drift or stability. Additionally, the REF101 contains a
matched pair of user-accessible precision 20k鈩?resis-
tors which are useful in a variety of applications.
Single supply operation over 13.5V to 35V supply
range and excellent overall specifications make the
REF101 an ideal choice for the most demanding
applications such as precision system standards, D/A
and A/D references, transducer excitation etc.
R
4
165k鈩?/div>
V
TRIM
2
R
2
7k鈩?/div>
R
1
12k鈩?/div>
7
A
1
+V
CC
V
OUT
5
V
Z
3
R
3
2k鈩?/div>
DZ1
20k鈩?/div>
20k鈩?/div>
6
Feedback
8
R
A
4
Common
1
R
B
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400
Tel: (520) 746-1111 鈥?Twx: 910-952-1111 鈥?Cable: BBRCORP 鈥?/div>
漏
鈥?Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd. 鈥?Tucson, AZ 85706
Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
PDS-485D
Printed in U.S.A. October, 1993
1982 Burr-Brown Corporation
REF101相關(guān)型號PDF文件下載
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