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REF02EN8

P1-P3P4-P6P7-P8
REF-01/REF-02
1
ref012fd
TYPICAL APPLICATION
DESCRIPTION
Precision
Voltage References
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
FEATURES
APPLICATIONS
15V
–15V
412Ω*
1/2W
357Ω*
1/2W
5V
350Ω
BRIDGE
ACTIVE
ELEMENT
R2
20k
R4
20k
R5
2M
R6
2M**
R3
2M
–
+
–
+
GAIN = 100
A2
LT1001
A1
†
LT307
IN
OUT
GND
REF-02
REDUCES REFERENCE AND AMPLIFIER LOADING.
IF R6 = R3, BRIDGE IS NOT LOADED BY R2 AND R4.
A1 V
OS
AND DRIFT ARE NOT CRITICAL.
*
**
†
TA01a
–5V
n
A/D and D/A Converters
n
Precision Regulators
n
Constant Current Sources
n
V/F Converters
n
Bridge Excitation
n
Trimmed Output ±0.3%
n
Low Drift—5ppm/°C Typ
n
Low Noise—3ppm
(P-P)
n
High Line Rejection
n
Temperature Output—REF-02
n
Low Supply Current 1.4mA Max
The REF-01/REF-02 are precision 10V and 5V bandgap
references which provide stable output voltages over a
wide range of operating conditions. Output voltage is ac-
curate to ±0.3% with a low 5ppm/°C typical temperature
coeffi cient. The REF-01 and REF-02 are excellent choices
for applications where low drift, moderate accuracy, low
power consumption and low cost are considerations.
The REF-02 includes a temperature output pin which
provides a linear voltage proportional to absolute tem-
perature.
For lower drift and higher accuracy references, please see
the LT1019 and LT1021 data sheets.
Ultra Linear Strain Gauge Amplifi er
Output Voltage Temperature Drift
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (NORMALIZED)
1.003
1.002
1.001
1.000
0.999
0.998
0.997
25 75
TA01b
–25 0
50 100 125
0°C TO 70°C BOX GUARANTEED FOR
REF-01E AND REF-02E (8.5ppm/°C)
FULL TEMP RANGE BOX GUARANTEED FOR
REF-01A AND REF-02A (8.5ppm/°C)
REF-01/REF-02
2
ref012fd
ABSOLUTE MAXIMUM RATINGS
REF-01/REF-02 A, E, H .............................................40V
REF- 01C/ REF - 02C .....................................................30V
Power Dissipation .............................................. 500mW
Output Short-Circuit Duration
To Ground .................................................... Indefi nite
To V
IN
≤ 16V ................................................ Indefi nite
To V
IN
> 16V ............................................Not Allowed
Storage Temperature Range ..................– 65°C to 150°C
Operating Temperature
REF-01/REF-02, REF-01A/REF-02A ... –55°C to 125°C
REF-01E/REF-02E, REF-01H/REF-02H,
REF-01C/REF-02C, REF-01D/REF-02D .... 0°C to 70°C
Lead Temperature (Soldering, 10 sec)...................300°C
PIN CONFIGURATION
ORDER INFORMATION
T
JMAX
= 150°C, θ
JA
= 150°C/W, θ
JC
= 45°C/W
TOP VIEW
NC
*
NC
*
NC
*
INPUT
OUTPUT
TRIM
TEMP
**
GND (CASE)
8
7
6
5
3
2
1
4
H PACKAGE
8-LEAD TO-5 METAL CAN
*INTERNALLY CONNECTED. DO
NOT CONNECT EXTERNALLY.
A
+
–
+
–
B
**DO NOT CONNECT ON REF-01
1
2
3
4
8
7
6
5
TOP VIEW
NC*
INPUT
TEMP**
GND
NC*
NC*
OUTPUT
TRIM
N8 PACKAGE
8-LEAD PLASTIC DIP
T
JMAX
= 100°C, θ
JA
= 130°C/W
T
JMAX
= 150°C, θ
JA
= 100°C/W
*INTERNALLY CONNECTED. DO
NOT CONNECT EXTERNALLY.
J8 PACKAGE
8-LEAD CERDIP
**DO NOT CONNECT ON REF-01
LEAD FREE FINISH PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
REF01EN8#PBF REF01EN8 8-Lead Plastic Dip 0°C to 70°C
REF01HN8#PBF REF01HN8 8-Lead Plastic Dip 0°C to 70°C
REF01CN8#PBF REF01CN8 8-Lead Plastic Dip 0°C to 70°C
REF02EN8#PBF REF02EN8 8-Lead Plastic Dip 0°C to 70°C
REF02HN8#PBF REF02HN8 8-Lead Plastic Dip 0°C to 70°C
REF02CN8#PBF REF02CN8 8-Lead Plastic Dip 0°C to 70°C
REF02DN8#PBF REF02DN8 8-Lead Plastic Dip 0°C to 70°C
REF01AH#PBF 8-Lead TO-5 Metal Can –55°C to 125°C
REF01H#PBF 8-Lead TO-5 Metal Can –55°C to 125°C
REF01EH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF01HH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF01CH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF02H#PBF 8-Lead TO-5 Metal Can –55°C to 125°C
REF02EH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF02HH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF02CH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF-01/REF-02
3
ref012fd
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS
REF-01A/E, REF-02A/E REF-01H, REF-02H
UNITSMIN TYP MAX MIN TYP MAX
V
O
Output Voltage I
L
= 0mA REF-01
REF-02
9.97
4.985
10
5
10.03
5.015
9.95
4.975
10
5
10.05
5.025
V
V
Output Adjustment Range R
P
= 10kΩ REF-01
REF-02
±3
±3
5, –27
5, –13
±3
±3
5, –27
5, –13
%
%
e
nP-P
Output Voltage Noise 0.1Hz to 10Hz (Note 7) REF-01
REF-02
20
10
20
10
μV
P-P
μV
P-P
V
IN
Input Voltage Range REF-01
REF-02
12
7
40
40
12
7
40
40
V
V
ΔV
OUT
ΔV
IN
Line Regulation
(Note 2)
(V
OUT
+ 3V) ≤ V
IN
≤ 33V 0.0001 0.01 0.0001 0.01 %/V
ΔV
OUT
ΔI
OUT
Load Regulation
(Note 2)
I
L
= 0mA to 10mA REF-01
REF-02
0.0005
0.001
0.008
0.01
0.0005
0.001
0.01
0.01
%/mA
%/mA
I
Q
Quiescent Supply Current No Load 0.65 1.4 0.65 1.4 mA
I
OUT
Load Current
Sink Current
10
–0.3
20
–20
10
–0.3
20
–20
mA
mA
I
SC
Short-Circuit Current V
O
= 0V 25 25 mA
V
T
Temperature Voltage Output (Note 3) REF-02 Only 620 620 mV
V
IN
= 15V, T
A
= 25°C unless otherwise noted.
ORDER INFORMATION
LEAD FREE FINISH PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
REF02DH#PBF 8-Lead TO-5 Metal Can 0°C to 70°C
REF01EJ8#PBF 8-Lead Cerdip 0°C to 70°C
REF01HJ8#PBF 8-Lead Cerdip 0°C to 70°C
REF01CJ8#PBF 8-Lead Cerdip 0°C to 70°C
REF02EJ8#PBF 8-Lead Cerdip 0°C to 70°C
REF02HJ8#PBF 8-Lead Cerdip 0°C to 70°C
REF02CJ8#PBF 8-Lead Cerdip 0°C to 70°C
REF02DJ8#PBF 8-Lead Cerdip 0°C to 70°C
OBSOLETE
Consider the N Package for Alternate Source
LEAD BASED FINISH PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
REF02AH REF02AH 8-Lead TO-5 Metal Can –55°C to 125°C
REF02AJ8 REF02AJ8 8-Lead Cerdip –55°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
SYMBOL PARAMETER CONDITIONS
REF-01C, REF-02C REF-02D
UNITS
MIN TYP MAX MIN TYP MAX
V
O
Output Voltage I
L
= 0mA REF-01
REF-02
9.9
4.95
10
5
10.1
5.05
4.9 5 5.1
V
V
Output Adjustment Range R
P
= 10kΩ REF-01
REF-02
±2.7
5, –27
5, –13
±2
5, –13
%
%
e
nP-P
Output Voltage Noise 0.1Hz to 10Hz (Note 7) REF-01
REF-02
30
12 12
μV
P-P
μV
P-P
V
IN
= 15V, T
A
= 25°C unless otherwise noted.
P1-P3P4-P6P7-P8

REF02EN8

Mfr. #:
Buy REF02EN8
Manufacturer:
Analog Devices / Linear Technology
Description:
Voltage References REF02 - Precision Voltage References
Lifecycle:
New from this manufacturer.
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