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| 19-0887; Rev 1; 8/99 +5V, +10V Precision Voltage References General Description The REF01 and REF02 are precision voltage references that are pretrimmed to within 3% of +10V and +5V, respectively. Both references feature excellent temperature stability (as low as 8.5 ppm/C worst case), low current drain, and low noise. 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. Both devices are available from Maxim in the space-saving SO package, as well as in the standard 8-pin TO-99 and MINI-DIP packages. o Pretrimmed to +5V, +10V 0.3% o Excellent Temperature Stability: 3ppm/C o Low Noise: 10Vp-p (REF02) o Low Supply Current: 1.4mA max o Short-Circuit Proof o Linear Temperature Transducer O/P (REF02) Features REF01/REF02 Ordering Information PART REF01EP REF01EZ REF01HP REF01HSA REF01CP REF01CSA REF01CZ REF01CESA REF01Z REF02EP REF02EZ REF02HP REF02HSA REF02CP REF02CSA REF02CZ REF02CESA REF02Z TEMP. RANGE 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -40C to +85C -55C to +125C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -40C to +85C -55C to +125C MAX TEMPCO (ppm/C) 8.5 8.5 25 25 65 65 65 65 25 8.5 8.5 25 25 65 65 65 65 25 INITIAL ERROR (mV) 30 30 50 50 100 100 100 100 50 15 15 25 25 50 50 50 50 25 PIN-PACKAGE 8 Plastic DIP 8 CERDIP 8 Plastic DIP 8 SO 8 Plastic DIP 8 SO 8 CERDIP 8 SO 8 CERDIP 8 Plastic DIP 8 CERDIP 8 Plastic DIP 8 SO 8 Plastic DIP 8 SO 8 CERDIP 8 SO 8 CERDIP Ordering Information continued at end of data sheet. Applications A to D Converters D to A Converters Digital Voltmeters Voltage Regulators Threshold Detectors __________Typical Operating Circuit Reference with Trimmed Output ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. +5V, +10V Precision Voltage References REF01/REF02 ABSOLUTE MAXIMUM RATINGS--REF01 Input Voltage REF01, A, E, H, All DICE ...................................................40V REF01C .............................................................................30V Power Dissipation T099 (J) (derate at 7.1mWC above 80C) .................500mW CERDIP (2) (derate at 6.7mW/C above 75C) ...........500mW Plastic Dip (P) (derate at 5.6mW/C above 36C) ......500mW Small Outline (S) (derate at 5.0mW/C above 55C) ..300mW Output Short-Circuit Duration (to ground or VIN) .....................................................Indefinite Storage Temperature Range .............................-65C to +150C Operating Temperature Range REF01A, REF01 ............................................-55C to +125C REF01E, REF01H, REF01C (except REF01CESA) ..................................0C to +70C REF01CESA ....................................................-40C to +85C DICE Junction Temperature (Tj) ........................-65C to +150C Lead Temperature (soldering, 60s) .................................+300C 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--REF01 (VIN = +15V, TA = +25C, unless otherwise noted.) ELECTRICAL CHARACTERISTICS--REF01 (VIN = +15V, -55C TA = +125C for REF01A and REF01, 0C TA +70C for REF01E and REF01H, IL = 0mA, unless otherwise noted.) 2 _______________________________________________________________________________________ +5V, +10V Precision Voltage References REF01/REF02 ELECTRICAL CHARACTERISTICS--REF01 (continued) (VIN = +15V, TA = +25C, unless otherwise noted.) ELECTRICAL CHARACTERISTICS--REF01 (VIN = +15V, TA = TMIN to TMAX, unless otherwise noted.) Output Adjustment The REF01 trim terminal can be used to adjust the voltage over a 10V300mV 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 section). 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. _______________________________________________________________________________________ 3 +5V, +10V Precision Voltage References REF01/REF02 ABSOLUTE MAXIMUM RATINGS--REF02 Input Voltage REF02, A, E, H, All DICE ...................................................40V REF02C, D..........................................................................30V Power Dissipation T099 (J) (Derate at 7.1mWC above 80C).................500mW CERDIP (2) (Derate at 6.7mWC above 75C) ...........500mW Plastic Dip (P) (Derate at 5.6mWC above 36C) .......500mW Small Outline (S) (Derate at 5.0mWC above 55C) ...300mW Storage Temperature Range .............................-65C to +150C Operating Temperature Range REF02A, REF02 ............................................-55C to +125C REF02E, REF02H (Except REF02CESA) ........0C to +70C REF02C (except REF02CESA), REF02D ...........0C to +70C REF02CESA ........................................................-40C to +85C Lead Temperature (Soldering, 60s).................................+300C DICE Junction Temperature (Tj) ........................-65C to +150C Output Short-Circuit Duration (to Ground or VIN).....................................................Indefinite 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--REF02 (VIN = +15V, TA = +25C, unless otherwise noted.) ELECTRICAL CHARACTERISTICS--REF01 (VIN = +15V, -55C TA = +125C for REF02A and REF02, 0C TA +70C for REF02E and REF02H, IL = 0mA, unless otherwise noted.) 4 _______________________________________________________________________________________ +5V, +10V Precision Voltage References ELECTRICAL CHARACTERISTICS--REF02 (VIN = +15V, TA = +25C, unless otherwise noted.) REF01/REF02 ELECTRICAL CHARACTERISTICS--REF02 (VIN = +15V, TA = TMIN to TMAX and IL = 0mA, unless otherwise noted.) Output Adjustment The REF02 trim terminal can be used to adjust the output voltage over a 5V300mV range. This feature allows the system designer to trim system errors by setting the reference to a voltage other than 5V (refer to the Typical Operating Circuit section). Adjustment of the output does not significantly affect the temperature performance of the device. Typically, the temperature coefficient change is 0.7ppm/C for 100mV of output adjustment. Temperature Voltage Output The REF02 provides a temperature-dependent output voltage on the TEMP pin. This voltage is proportional to the absolute temperature, and has a scale factor of approximately 2.1mV/C (Figure 2). Output Voltage = 2.1(T + 273)mV where T = Temperature in C Figure 2. REF02 Temperature/Voltage Output vs. Temperature _______________________________________________________________________________________ 5 +5V, +10V Precision Voltage References REF01/REF02 Typical Operating Characteristics 6 _______________________________________________________________________________________ +5V, +10V Precision Voltage References Typical Applications REF01/REF02 Figure 3. Precision Calibration Standard Figure 4. 10V Reference Figure 5. Current Source Figure 6. Precision Temperature Transducer with Remote Sensor Chip Topography _______________________________________________________________________________________ 7 +5V, +10V Precision Voltage References REF01/REF02 Ordering Information (continued) PART REF01EJ* REF01HF* REF01CJ* REF01HZ* REF01CP-2* REF01AJ* REF01J* REF01AZ* REF02EJ* REF02HJ* REF02CJ* REF02DJ* REF02HZ* REF02DP* REF02DSA* REF02AJ* REF02J* REF02AZ* TEMP. RANGE 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -55C to +125C -55C to +125C -55C to +125C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -55C to +125C -55C to +125C -55C to +125C MAX. TEMPCO (ppm/C) 8.5 25 65 25 65 8.5 25 8.5 8.5 25 65 250 25 250 250 8.5 25 8.5 INITIAL ERROR (mV) 30 50 100 50 100 30 50 15 15 25 50 100 25 100 100 15 25 15 PIN-PACKAGE 8 TO-99 8 TO-99 8 TO-99 8 Hermetic DIP 8 Plastic DIP 8 TO-99 8 TO-99 8 Hermetic DIP 8 TO-99 8 TO-99 8 TO-99 8 TO-99 8 Hermetic DIP 8 Plastic DIP 8 SO 8 TO-99 8 TO-99 8 Hermetic DIP *Contact factory for availability. Pin Configuration *NOTE: Pin 3 is N.C. (No Connection) on REF01, TEMP Output on REF02. Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 1999 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. |
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