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PDF REF-01 Data sheet ( Hoja de datos )
| Número de pieza | REF-01 | |
| Descripción | Precision Voltage References | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de REF-01 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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FEATURES
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
APPLICATIONS
n A/D and D/A Converters
n Precision Regulators
n Constant Current Sources
n V/F Converters
n Bridge Excitation
REF-01/REF-02
Precision
Voltage References
DESCRIPTION
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
coefficient. 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.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
15V 412Ω*
1/2W
5V
REF-02
IN OUT
GND
Ultra Linear Strain Gauge Amplifier
A1†
LT307
350Ω
BRIDGE
ACTIVE
ELEMENT
R3
2M
R2
20k
–
R4 A2
20k LT1001
+
R5
2M
R6
2M**
*REDUCES REFERENCE AND AMPLIFIER LOADING.
**IF R6 = R3, BRIDGE IS NOT LOADED BY R2 AND R4.
†A1 VOS AND DRIFT ARE NOT CRITICAL.
–5V
357Ω*
1/2W
–15V
GAIN = 100
TA01a
Output Voltage Temperature Drift
1.003
1.002
1.001
0°C TO 70°C BOX GUARANTEED FOR
REF-01E AND REF-02E (8.5ppm/°C)
1.000
0.999
0.998
FULL TEMP RANGE BOX GUARANTEED FOR
REF-01A AND REF-02A (8.5ppm/°C)
0.997
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
TA01b
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1 page  
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Line and load regulation specifications include the effect of self
heating.
Note 3: Limit current in or out of Pin 3 to 50nA and capacitance on Pin 3
to 30pF.
Note 4: ΔV is defined as the absolute difference between the maximum
output voltage and the minimum output voltage over the specified
temperature range expressed as a percentage of nominal output.
ΔV = VMAX – VMIN •100
VOUT
REF-01/REF-02
Note 5: ΔV specification applies trimmed or untrimmed.
Note 6: TC is defined as ΔV divided by the temperature range, i.e.,
TC = ΔV
TMAX – TMIN
Note 7: 0.1Hz to 10Hz noise cannot be 100% tested on modern high speed
test equipment, so Linear Technology does not put a guaranteed maximum
specification on this parameter for standard units. 100% bench testing of
0.1Hz to 10Hz noise is available on special request. To ensure low output
noise, Linear Technology does 100% test 10Hz to 1kHz noise. Consult
factory for details.
PACKAGE DESCRIPTION
H Package
8-Lead TO-5 Metal Can (.230 Inch PCD)
(Reference LTC DWG # 05-08-1321)
.040
(1.016)
MAX
SEATING
PLANE
.010 – .045*
(0.254 – 1.143)
.335 – .370
(8.509 – 9.398)
DIA
.305 – .335
(7.747 – 8.509)
.050
(1.270)
MAX
.165 – .185
(4.191 – 4.699)
GAUGE
PLANE
REFERENCE
PLANE
.500 – .750
(12.700 – 19.050)
.016 – .021**
(0.406 – 0.533)
45°
.028 – .034
(0.711 – 0.864)
.027 – .045
(0.686 – 1.143)
PIN 1
.230
(5.842)
TYP
.110 – .160
(2.794 – 4.064)
INSULATING
STANDOFF
*LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE
AND THE SEATING PLANE
.016 – .024
**FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS (0.406 – 0.610) H8 (TO-5) 0.230 PCD 0204
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5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet REF-01.PDF ] | |
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