Precision 2.5 V, 5.0 V, and 10.0 V
Voltage References
Data Sheet
REF01/REF02/REF03
FEATURES PIN CONFIGURATIONS
High output accuracy NC 1 8 NC
REF01/
V 2 7 NC
IN
REF01: 10.0 V, 0.3% maximum REF02/
TEMP 3 6 V
REF03
OUT
REF02: 5.0 V, 0.3% maximum
TOP VIEW
GND 4 5 TRIM
(Not to Scale)
REF03: 2.5 V, 0.6% maximum
NC = NO CONNECT. DO NOT CONNECT ANYTHING
Adjustable output: 3% minimum
ON THESE PINS. SOME OF THEMARE RESERVED
FOR FACTORY TESTING PURPOSES.
Excellent temperature stability
Figure 1. 8-Lead PDIP (P-Suffix),
REF01: 8.5 ppm/C maximum
8-Lead CERDIP (Z-Suffix),
REF02: 8.5 ppm/C maximum
8-Lead SOIC (S-Suffix)
REF03: 50 ppm/C maximum
NC
Low noise
8
NC NC
1 7
REF01: 30 V p-p typical
REF01/
REF02: 15 V p-p typical
V 2 6 V
REF02/
IN OUT
REF03
REF03: 6 V p-p typical
3 5
NC TRIM
High supply voltage range: up to 36 V maximum
4
Low supply current: 1.4 mA maximum
GROUND
(CASE)
High load-driving capability: 10 mA maximum
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEMARE RESERVED
Temperature output function
FOR FACTORY TESTING PURPOSES.
APPLICATIONS Figure 2. 8-Lead TO-99 (J-Suffix)
Precision data systems
3 2 1 20 19
High resolution converters
NC 4 18 NC
Industrial process control systems
5 17
V NC
IN
REF01/
Precision instruments
NC 6 16 NC
REF02
Military and aerospace applications
TEMP 7 TOP VIEW 15 V
OUT
(Not to Scale)
NC 8 14 NC
9 10 11 12 13
GENERAL DESCRIPTION
The REF01/REF02/REF03 series of precision voltage references
NC = NO CONNECT. DO NOT CONNECT ANYTHING
ON THESE PINS. SOME OF THEMARE RESERVED
provide a stable 10.0 V, 5.0 V, or 2.5 V output with minimal change
FOR FACTORY TESTING PURPOSES.
in response to variations in supply voltage, ambient temperature
Figure 3. 20-Terminal LCC (RC-Suffix;
or load conditions. The devices are available in 8-lead SOIC, PDIP,
883 Devices Only)
CERDIP, and TO-99 packages, as well as 20-terminal LCC
packages (883 only), furthering the usability of the devices in
stability over a wider operating temperature range, while maintain-
both standard and high stress applications.
ing full pin-for-pin compatibility with the REF01/REF02/REF03
With an external buffer and a simple resistor network, the
series. This data sheet applies to commercial-grade products
TEMP terminal can be used for temperature sensing and
only. Contact sales or visit analog.com for military-grade (883)
approximation. A TRIM terminal is also provided on the
data sheets.
device for fine adjustment of the output voltage.
Table 1. Selection Guide
The small footprint, wide supply range, and application
Device Number Output Voltage Input Voltage Range
versatility make the REF01/REF02/REF03 series of references
REF01 10.0 V 12 V to 36 V
ideal for general-purpose and space-constrained applications.
REF02 5.0 V 7.0 V to 36 V
Newer designs should use the ADR01/ADR02/ADR03/ADR06
REF03 2.5 V 4.5 V to 36 V
series of references, which offer higher accuracy and temperature
Rev. L Document Feedback
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NC NC
GND NC
NC NC
TRIM NC
NC NC
00375-003 00375-002 00375-001REF01/REF02/REF03 Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1 Output Adjustment .................................................................... 14
Applications ....................................................................................... 1 Temperature Monitoring ........................................................... 15
General Description ......................................................................... 1 Long-Term Stability ................................................................... 15
Pin Configurations ........................................................................... 1 Burn-In ........................................................................................ 15
Revision History ............................................................................... 2 Power Dissipation....................................................................... 15
Specifications ..................................................................................... 3 Applications Information .............................................................. 16
REF01 Specifications .................................................................... 3 Basic Reference Application...................................................... 16
REF02 Specifications .................................................................... 4 Low Cost Current Source .......................................................... 16
REF03 Specifications .................................................................... 5 Precision Current Source with Adjustable Output ................ 16
Absolute Maximum Ratings ............................................................ 6 Precision Boosted Output Regulator ....................................... 16
Thermal Resistance ...................................................................... 6 Bipolar Voltage Reference ......................................................... 17
ESD Caution .................................................................................. 6 Adjustable Reference With Positive and Negative Swing ..... 17
Pin Configurations and Function Descriptions ........................... 7 Outline Dimensions ....................................................................... 18
Typical Performance Characteristics ............................................. 8 REF01 Ordering Guide .............................................................. 20
Terminology .................................................................................... 13 REF02 Ordering Guide .............................................................. 20
Theory of Operation ...................................................................... 14 REF03 Ordering Guide .............................................................. 20
Input and Output Capacitors .................................................... 14
REVISION HISTORY
10/15Rev. K to Rev. L Deleted Negative References Section and Figure 39;
Renumbered Sequentially ............................................................. 16
Changed REF0x to REF01/REF02/REF03.................. Throughout
Changes to Layout ............................................................................ 1 10/09Rev. J: Initial Version
Changes to General Description Section ...................................... 1
Updated Format .................................................................. Universal
Updated Outline Dimensions ....................................................... 18
Combined REF01, REF02, and REF03 Data Sheets ....... Universal
Changes to Ordering Guide .......................................................... 20
Changes to Absolute Maximum Input Voltage ............................. 6
10/10Rev. J to Rev. K
Rev. L | Page 2 of 20