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Analog Devices - Voltage References

Numéro de référence REF03
Description Voltage References
Fabricant Analog Devices 
Logo Analog Devices 





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REF03 fiche technique
Precision 2.5 V, 5.0 V, and 10.0 V
Voltage References
REF01/REF02/REF03
FEATURES
High output accuracy
REF01: 10.0 V, ±0.3% maximum
REF02: 5.0 V, ±0.3% maximum
REF03: 2.5 V, ±0.6% maximum
Adjustable output: ± 3% minimum
Excellent temperature stability
REF01: 8.5 ppm/°C maximum
REF02: 8.5 ppm/°C maximum
REF03: 50 ppm/°C maximum
Low noise
REF01: 30 μV p-p typical
REF02: 15 μV p-p typical
REF03: 6 μV p-p typical
High supply voltage range: up to 36 V maximum
Low supply current: 1.4 mA maximum
High load-driving capability: 10 mA maximum
Temperature output function
APPLICATIONS
Precision data systems
High resolution converters
Industrial process control systems
Precision instruments
Military and aerospace applications
GENERAL DESCRIPTION
The REF0x series of precision voltage references provide a
stable 10.0 V, 5.0 V, or 2.5 V output with minimal change in
response to variations in supply voltage, ambient temperature
or load conditions. The parts are available in 8-lead SOIC,
PDIP, CERDIP, and TO-99 packages, as well as 20-terminal
LCC packages (883 only), furthering the parts’ usability in
both standard and high stress applications.
With an external buffer and a simple resistor network, the
TEMP terminal can be used for temperature sensing and
approximation. A TRIM terminal is also provided on the
device for fine adjustment of the output voltage.
The small footprint, wide supply range, and application
versatility make the REF0x series of references ideal for general-
purpose and space-constrained applications.
Newer designs should use the ADR0x series of references,
which offer higher accuracy and temperature stability over a
wider operating temperature range, while maintaining full pin-
for-pin compatibility with the REF0x series. This data sheet
applies to commercial-grade products only. Contact sales or
visit analog.com for military-grade (883) data sheets.
Table 1. Selection Guide
Part Number Output Voltage
REF01
10.0 V
REF02
5.0 V
REF03
2.5 V
Input Voltage Range
12 V to 36 V
7.0 V to 36 V
4.5 V to 36 V
PIN CONFIGURATIONS
NC 1
VIN 2
REF01/
REF02/
8 NC
7 NC
TEMP 3 REF03 6 VOUT
GND 4 TOP VIEW 5 TRIM
(Not to Scale)
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEM ARE RESERVED
FOR FACTORY TESTING PURPOSES.
Figure 1. 8-Lead PDIP (P-Suffix),
8-Lead CERDIP (Z-Suffix),
8-Lead SOIC (S-Suffix)
NC
8
NC 1
7 NC
VIN 2
REF01/
REF02/
REF03
6 VOUT
NC 3
5 TRIM
4
GROUND
(CASE)
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEM ARE RESERVED
FOR FACTORY TESTING PURPOSES.
Figure 2. 8-Lead TO-99 (J-Suffix)
3 2 1 20 19
NC 4
VIN 5
NC 6
TEMP 7
NC 8
REF01/
REF02
TOP VIEW
(Not to Scale)
18 NC
17 NC
16 NC
15 VOUT
14 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;
883 Parts Only)
Rev. K
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2000–2010 Analog Devices, Inc. All rights reserved.

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