Datasheet MAX6138 (Analog Devices)

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MAX6138 0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages General Description Features
The MAX6138 is a precision, two-terminal shunt mode, ● Ultra-Small 3-Pin SC70 Package bandgap voltage reference available in fixed reverse ● 0.1% (max) Initial Accuracy breakdown voltages of 1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V. Ideal for space-critical applications, the ● 25ppm/°C (max) Temperature Coefficient Guaranteed MAX6138 is offered in the subminiature 3-pin SC70 sur- Over -40°C to +85°C Temperature Range face-mount package (1.8mm x 1.8mm), 50% smaller than ● Wide Operating Current Range: 60μA to 15mA comparable devices in SOT23 surface-mount packages. ● Low 28μVRMS Output Noise (10Hz to 10kHz) Laser-trimmed resistors ensure precise initial accuracy. ● 1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V With a 25ppm/°C temperature coefficient, the device is Fixed Reverse Breakdown Voltages offered in three grades of initial accuracy ranging from 0.1% to 0.5%. The MAX6138 has a 60μA to 15mA shunt- ● No Output Capacitors Required current capability with low-dynamic impedance, ensuring ● Stable with Capacitive Loads stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.
Selector Guide
The MAX6138 does not require an external stabilizing
OUTPUT
capacitor while ensuring stability with capacitive loads.
PART TEMP PIN- RANGE PACKAGE VOLTAGE
The MAX6138 is a higher precision device in a smaller
(V)
package than the LM4040/LM4050. MAX6138_EXR12-T -40°C to +85°C 3 SC70-3 1.2205
Applications
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 ● Portable, Battery-Powered Equipment ● Notebook Computers MAX6138_EXR30-T -40°C to +85°C 3 SC70-3 3.0000 ● Cell Phones MAX6138_EXR33-T -40°C to +85°C 3 SC70-3 3.3000 ● Industrial Process Control 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
Ordering Information appears at end of data sheet. Pin Configuration Typical Operating Circuit
VS TOP VIEW RS ISHUNT + ILOAD ILOAD + 1 VR
MAX6138
3 N.C.* ISHUNT - 2
MAX6138 SC70
*PIN 3 MUST BE LEFT FLOATING OR CONNECTED TO PIN 2. 19-2090; Rev 3; 12/19