MAX6138CEXR50中文资料
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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 28µV RMS 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
MAX6138
0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages
________________________________________________________________Maxim Integrated Products 1
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 .
M A X 6138
0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages 2_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS —MAX6138_12 (1.2205V)
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.
Reverse Current (cathode to anode)..................................20mA Forward Current (anode to cathode)..................................10mA Continuous Power Dissipation (T A = +70°C)
3-Pin SC70 (derate 2.17mW/°C above +70°C) ...........174mW
Operating Temperature Range .........................-40°C to +125°C Storage Temperature Range.............................-65°C to +150°C Junction Temperature......................................................+150°C Lead Temperature (soldering, 10s).................................+300°C