MAX6138

0.1%, 25ppm, SC70 Shunt Voltage Reference with Multiple Reverse Breakdown Voltages

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Status Explanations for product status codes

Active: In Production.

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 applications, 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.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 2 (PDF, 336kB)
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Key Features

  • Ultra-Small 3-Pin SC70 Package
  • 0.1% (max) Initial Accuracy
  • 25ppm/°C (max) Temperature Coefficient Guaranteed Over -40°C to +85°C Temperature Range
  • Wide Operating Current Range: 60µA to 15mA
  • Low 28µVRMS Output Noise (10Hz to 10kHz)
  • 1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V Fixed Reverse Breakdown Voltages
  • No Output Capacitors Required
  • Stable with Capacitive Loads
 

Applications/Uses

  • Cell Phones
  • Industrial Process Controls
  • Notebook Computers
  • Portable Battery-Powered Equipment
   

Key Specifications:

Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
IREV
(µA)
IREV
(mA)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
Budgetary Price
max @ +25°C min max max w/pins See Notes
MAX6138A 
1.22
2.048
3
3.3
4.096
5
25 0.1 60 15 -40 to +85
SC70/3
5.3 $1.75 @1k
MAX6138B 
1.22
2.048
2.5
3
3.3
4.096
5
0.2
SC70/3
$1.39 @1k
MAX6138C 
1.22
2.048
2.5
3
3.3
4.096
5
0.5
SC70/3
$1.15 @1k
See All Voltage References (168)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX6138: Typical Operating Circuit
Typical Operating Circuit

MAX6138: Pin Configuration
Pin Configuration

More Information

New Product Press Release 2001-12-04 ]

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Information Index

Document Ref.: 19-2090 Rev 2; 2004-04-03
This page last modified: 2009-05-18




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