|Category||Power Management => Voltage References|
|Description||+5V, +10V Precision Voltage References|
|Company||Maxim Integrated Products|
|Datasheet||Download REF01C datasheet|
The REF01/REF02 are industry-standard precision voltage references. The stable 10V output of the REF01 can be adjusted over a ±3% range with minimal effect on temperature stability, while the 5V output REF02 can be adjusted over a ±6% range. The 10V REF01 has a single-supply operation over an input voltage range to 33V, while the 5V REF02 has a single-supply operation over an input voltage range 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, please refer to the or MAX6143 data sheets. o Pretrimmed ±0.3% o Excellent Temperature Stability: 3ppm/°C o Low Noise: (REF02) o Low Supply Current: 1.4mA (max) o Short-Circuit Proof o Linear Temperature Transducer Output (REF02)Features
PART REF02CSA REF02CESA TEMP RANGE to +85°C MAX TEMPCO (ppm/°C) INITIAL ERROR (mV) PIN-PACKAGE 8 Plastic DIP 8 Plastic DIP SO 8 Plastic DIP SO 8 Plastic DIP 8 Plastic DIP SO 8 Plastic DIP 8 SOApplications
Analog-to-Digitial Converters Digitial-to-Analog Converters Digital Voltmeters Voltage Regulators Threshold Detectors
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Input Voltage E, H, All DICE.....................................................40V REF01C...............................................................................30V Continuous Power Dissipation T099 (J) (derate at 7.1mW°C above +80°C).................500mW CERDIP (2) (derate at 6.7mW/°C above +75°C).........500mW 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 to +150°C Operating Temperature Range REF01H, REF01C (except to +85°C DICE Junction Temperature to +150°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.
PARAMETER Output Voltage Output Adjustment Range Output Voltage Noise Line Regulation Load Regulation Turn-On Settling Time Quiescent Supply Current Load Current Sink Current Short-Circuit Current tON ISY IL IS ISC = 0V SYMBOL VO Vtrim enP-P to 10Hz (Note 1) VIN to 33V (Note to 10mA (Note ±0.1% of final value No load 10 -0.3 CONDITIONS MIN ±3.0 REF01A/E TYP MAX 10.03 MIN ±3.0 REF01/H TYP MAX V % µVP-P %/V %/mA µs mA UNITS
REF01A/E PARAMETER SYMBOL CONDITIONS MIN Output Voltage Change with Temperature (Notes 3, 4) Output Voltage Temperature Coefficient Change in VO Temperature Coefficient with Output Adjustment Line Regulation (VIN to 33V) (Note 2) Load Regulation (IL to 8mA) (Note TA +125°C %/mA %/V VOT TA +125°C (Note 5) TYP 0.06 3 MAX 0.15 8.5 MIN TYP 0.18 10.0 MAX REF01/H UNITS
PARAMETER Output Voltage Output Adjustment Range Output Voltage Noise Line Regulation Load Regulation (Note 2) Turn-On Settling Time Quiescent Supply Current Load Current Sink Current Short-Circuit Current tON ISY IL IS ISC = 0V SYMBOL VO Vtrim enP-P to 10Hz (Note 1) VIN to 30V (Note ±0.1% of final value No load 8 -0.2 CONDITIONS REF01C MIN 9.90 ±2.7 TYP µs mA MAX 10.10 UNITS V % µVP-P %/V %/mA(VIN TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER Output Voltage Change with Temperature Output Voltage Temperature Coefficient Change in VO Temperature Coefficient with Output Adjustment Line Regulation Load Regulation SYMBOL CONDITIONS MIN VOT (Notes 4) REF01C TYP 0.14 MAX 0.45 % UNITS
Note 1: Guaranteed by design for REF02CSA, REF02CESA. Sample tested for all other grades and packages. Note 2: Line and load regulation specifications include the effect of self heating. Note 3: VOT 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 10V.
-V V VOT = MAX MIN 100 10V Note 4: VOT specification applies trimmed +10.000V or untrimmed. Note 5: TCVO is defined as VOT divided by the temperature range.
The REF01 trim terminal can be used to adjust the voltage over 10V ±300mV range. This feature allows the system designer to trim system errors by setting the reference to a voltage other than 10V, including 10.240V for binary applications (see the Typical Operating Circuit).
Adjustment of the output does not significantly affect the temperature performance of the device. The temperature coefficient change is approximately 0.7ppm/°C for 100mV of output adjustment.
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