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REF03 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer REF03
Beschreibung Voltage References
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 20 Seiten
REF03 Datasheet, Funktion
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.






REF03 Datasheet, Funktion
REF01/REF02/REF03
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Input Voltage
Output Short Circuit Duration
Operating Temperature Range
REF01A, REF02A
REF01CP, REF01CS, REF01E, REF01H,
REF02CP, REF02CS, REF02E, REF02H,
REF03G
REF01CJ
Storage Temperature Range
-J, -S, -Z and -RC Packages
-P Package
Junction Temperature Range (TJ)
Lead Temperature (Soldering, 10 sec.)
Rating
36.0 V
Indefinite
−55°C to +125°C
−40°C to +85°C
0°C to +70°C
−65°C to +150°C
−65°C to +125°C
−65°C to +150°C
300°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 3. Thermal Resistance
Package Type
8-lead SOIC (S)
8-lead PDIP (P)
8-lead CERDIP (Z)
TO-99 (J)
θJA
130
110
162
170
θJC
43
50
26
24
Unit
°C/W
°C/W
°C/W
°C/W
ESD CAUTION
Rev. K | Page 6 of 20

6 Page









REF03 pdf, datenblatt
REF01/REF02/REF03
CL = 0.01µF
NO INPUT CAPACITOR
VIN 10V/DIV
VOUT 5V/DIV
TIME (4µs/DIV)
Figure 31. REF02 Turn-Off Response (No Input Capacitor)
0.80
VIN = 15V
0.75 SAMPLE SIZE = 5
0.70
0.65
0.60
0.55
0.50
ΔVTEMP/ΔT 1.96mV/°C
0.45
0.40
–50
–25
0 25 50 75
TEMPERATURE (°C)
100 125
Figure 32. Output Voltage at TEMP Pin vs. Temperature
Rev. K | Page 12 of 20

12 Page





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