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MAX6138AEXR25-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6138AEXR25-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 13 page General Description The MAX6138 is a precision, two-terminal shunt mode, bandgap voltage reference available in fixed reverse breakdown voltages of 1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V. Ideal for space-critical applica- tions, the MAX6138 is offered in the subminiature 3-pin SC70 surface-mount package (1.8mm X 1.8mm), 50% smaller than comparable devices in SOT23 surface- mount packages. Laser-trimmed resistors ensure precise initial accuracy. With a 25ppm/°C temperature coefficient, the device is offered in three grades of initial accuracy ranging from 0.1% to 0.5%. The MAX6138 has a 60µA to 15mA shunt- current capability with low-dynamic impedance, ensuring stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents. The MAX6138 does not require an external stabilizing capacitor while ensuring stability with capacitive loads. The MAX6138 is a higher precision device in a smaller package than the LM4040/LM4050. Applications Portable, Battery-Powered Equipment Notebook Computers Cell Phones Industrial Process Control Features o Ultra-Small 3-Pin SC70 Package o 0.1% (max) Initial Accuracy o 25ppm/°C (max) Temperature Coefficient Guaranteed Over -40°C to +85°C Temperature Range o Wide Operating Current Range: 60µA to 15mA o Low 28µVRMS Output Noise (10Hz to 10kHz) o 1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V Fixed Reverse Breakdown Voltages o No Output Capacitors Required o Stable with Capacitive Loads 0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages ________________________________________________________________ Maxim Integrated Products 1 MAX6138 ILOAD ISHUNT RS VS VR ISHUNT + ILOAD - 1 3 N.C.* + MAX6138 SC70 TOP VIEW 2 *PIN 3 MUST BE LEFT FLOATING OR CONNECTED TO PIN 2. PART TEMP RANGE PIN- PACKAGE OUTPUT VOLTAGE (V) MAX6138_EXR12-T -40°C to +85°C 3 SC70-3 1.2205 MAX6138_EXR21-T -40°C to +85°C 3 SC70-3 2.0480 MAX6138_EXR25-T -40°C to +85°C 3 SC70-3 2.5000 MAX6138_EXR30-T -40°C to +85°C 3 SC70-3 3.0000 MAX6138_EXR33-T -40°C to +85°C 3 SC70-3 3.3000 MAX6138_EXR41-T -40°C to +85°C 3 SC70-3 4.0960 MAX6138_EXR50-T -40°C to +85°C 3 SC70-3 5.0000 Pin Configuration Selector Guide Typical Operating Circuit 19-2090; Rev 2; 4/04 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. Ordering Information appears at end of data sheet. |
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