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Precision Voltage References
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 Maxim Integrated |
19-0887; Rev 7; 4/07
+5V, +10V Precision
Voltage References
General Description
The REF01/REF02 are industry-standard precision volt-
age references. The stable 10V output of the REF01
can be adjusted over a ±6% range with minimal effect
on temperature stability. The 5V output REF02 can also
be adjusted over a ±6% range. The 10V REF01 has a
single-supply operation over an input voltage range of
13V to 33V, while the 5V REF02 has a single-supply
operation over an input voltage range of 7V to 33V.
Both devices offer a low-current drain of 1mA. The
REF02 also provides a TEMP pin whose output voltage
varies linearly with temperature, making this device
suitable for a wide variety of temperature-sensing and
control applications. For new designs, refer to the
MAX6035 or MAX6143 data sheets.
PART
TEMP RANGE
MAX TEMPCO
(ppm/°C)
REF01EP
0°C to +70°C
8.5
REF01EP+
0°C to +70°C
8.5
REF01HP
0°C to +70°C
25
REF01HP+
0°C to +70°C
25
REF01HSA
0°C to +70°C
25
REF01HSA+
0°C to +70°C
25
REF01CP
0°C to +70°C
65
REF01CP+
0°C to +70°C
65
REF01CSA
0°C to +70°C
65
REF01CSA+
0°C to +70°C
65
REF01CESA
-40°C to +85°C
65
REF01CESA+
-40°C to +85°C
65
+Denotes a lead-free package.
Ordering Information continued at end of data sheet.
Features
♦ Pretrimmed to +5V, +10V
♦ Excellent Temperature Stability: 3ppm/°C (typ)
♦ Low Noise: 10µVP-P (REF02)
♦ Short-Circuit Protected
♦ Linear Temperature Transducer Output (REF02)
Ordering Information
INITIAL ERROR
(mV)
±30
±30
±50
±50
±50
±50
±100
±100
±100
±100
±100
±100
PIN-PACKAGE
8 Plastic DIP
8 Plastic DIP
8 Plastic DIP
8 Plastic DIP
8 SO
8 SO
8 Plastic DIP
8 Plastic DIP
8 SO
8 SO
8 SO
8 SO
PKG
CODE
P8-2
P8-2
P8-2
P8-2
S8-2
S8-2
P8-2
P8-2
S8-2
S8-2
S8-2
S8-2
Applications
Analog-to-Digitial Converters
Digitial-to-Analog Converters
Digital Voltmeters
Voltage Regulators
Threshold Detectors
Typical Operating Circuit
+15V
2
VIN
6
VO
OUTPUT
REF01
REF02 TRIM 5
GND
4
RP
10kΩ
REFERENCE WITH TRIMMED OUTPUT.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
+5V, +10V Precision
Voltage References
ABSOLUTE MAXIMUM RATINGS–REF01
Input Voltage
REF01, E, H .........................................................................40V
REF01C ...............................................................................30V
Continuous Power Dissipation
Plastic Dip (P) (derate at 5.6mW/°C above +36°C) .....500mW
Small Outline (S) (derate at 5.0mW/°C above +55°C) ..300mW
Output Short-Circuit Duration
(to ground or VIN) .......................................................Indefinite
Storage Temperature Range .............................-65°C to +150°C
Operating Temperature Range
REF01E, REF01H, REF01C
(except REF01CESA)...........................................0°C to +70°C
REF01CESA ......................................................-40°C to +85°C
Lead Temperature (soldering, 60s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS—REF01E/REF01H
(VIN = +15V, TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
REF01E
MIN TYP
Output Voltage
Output Adjustment Range
VO
∆Vtrim
IL = 0
RP = 10kΩ
9.97
±3.0
10.00
±6.0
Output Voltage Noise
Line Regulation
enP-P
0.1Hz to 10Hz (Note 1)
VIN = 13V to 33V (Note 2)
20
0.006
Load Regulation
Turn-On Settling Time
IL = 0 to 10mA (Note 2)
tON To ±0.1% of final value
0.005
400
Quiescent Supply Current
ISY No load
1.0
Load Current
To specified output
IL voltage tolerance
10 21
Sink Current
To specified output
IS voltage tolerance
0.3 0.5
Short-Circuit Current
ISC VO = 0V
30
MAX
10.03
30
0.010
0.008
1.4
MIN
9.95
±3.0
REF01H
TYP
10.00
±6.0
20
0.006
0.006
400
1.0
MAX
10.05
30
0.010
0.010
1.4
10 21
UNITS
V
%
µVP-P
%/V
%/mA
µs
mA
mA
0.3 0.5
30
mA
mA
ELECTRICAL CHARACTERISTICS—REF01E/REF01H
(VIN = +15V, 0°C ≤ TA ≤ +70°C for REF01E and REF01H, IL = 0mA, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
REF01E
MIN TYP MAX
Output Voltage Change with
Temperature
∆VOT
0°C ≤ TA ≤ +70°C
(Note 3)
0.02 0.06
Output Voltage Temperature
Coefficient
TCVO
(Note 4)
3 8.5
Change in VO Temperature
Coefficient with Output
Adjustment
RP = 10kΩ
0.7
Line Regulation
(VIN = 13V to 33V)
Load Regulation
(IL = 0 to 8mA)
0°C ≤ TA ≤ +70°C
(Note 2)
0°C ≤ TA ≤ +70°C
(Note 2)
0.007 0.012
0.006 0.010
REF01H
MIN TYP MAX
0.07 0.17
UNITS
%
10.0 25.0 ppm/°C
0.7 ppm/%
0.007 0.012
%/V
0.007 0.012 %/mA
2 _______________________________________________________________________________________
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