Datasheet MAX6138 (Maxim)

ManufacturerMaxim
Description0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages
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0.1%, 25ppm, SC70 Shunt Voltage Reference. with Multiple Reverse Breakdown Voltages. MAX6138. General Description. Features

Datasheet MAX6138 Maxim

Text Version of Document

19-2090; Rev 2; 4/04
0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages MAX6138 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 applica- ♦
25ppm/°C (max) Temperature Coefficient
tions, the MAX6138 is offered in the subminiature 3-pin
Guaranteed Over -40°C to +85°C Temperature
SC70 surface-mount package (1.8mm X 1.8mm), 50%
Range
smaller than comparable devices in SOT23 surface- mount packages. ♦
Wide Operating Current Range: 60µA to 15mA
Laser-trimmed resistors ensure precise initial accuracy. ♦
Low 28µVRMS Output Noise (10Hz to 10kHz)
With a 25ppm/°C temperature coefficient, the device is ♦
1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V
offered in three grades of initial accuracy ranging from
Fixed Reverse Breakdown Voltages
0.1% to 0.5%. The MAX6138 has a 60µA to 15mA shunt- current capability with low-dynamic impedance, ensuring ♦
No Output Capacitors Required
stable reverse breakdown voltage accuracy over a wide ♦
Stable with Capacitive Loads
range of operating temperatures and currents. The MAX6138 does not require an external stabilizing
Selector Guide
capacitor while ensuring stability with capacitive loads.
OUTPUT
The MAX6138 is a higher precision device in a smaller
TEMP PIN- PART VOLTAGE
package than the LM4040/LM4050.
RANGE PACKAGE (V) Applications
MAX6138_EXR12-T -40°C to +85°C 3 SC70-3 1.2205 Portable, Battery-Powered Equipment MAX6138_EXR21-T -40°C to +85°C 3 SC70-3 2.0480 Notebook Computers 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 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. Typical Operating Circuit
VS
Pin Configuration
R I S SHUNT + ILOAD TOP VIEW ILOAD VR + 1 3 N.C.* I MAX6138 SHUNT - 2 MAX6138
SC70
*PIN 3 MUST BE LEFT FLOATING OR CONNECTED TO PIN 2.
________________________________________________________________ Maxim Integrated Products 1 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.
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