MAX6037A, MAX6037B, MAX6037C

Low-Power, Fixed and Adjustable Reference with Shutdown in SOT23

Industry's Lowest Drift, Adjustable-Output Voltage Reference


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Description

The MAX6037 family of low-dropout, micropower voltage references offer fixed and adjustable output voltage options ranging from 1.184V to 5V. Connect an external resistive-divider on the MAX6037_ADJ to adjust the output voltage from 1.184V to 5V. The other devices in the MAX6037 family feature fixed output voltages of 1.25V, 2.048V, 2.5V, 3.0V, 3.3V, and 4.096V. The MAX6037 offers shutdown functionality with an active-low shutdown (500nA, max).

These series-mode voltage references operate from a 2.5V to 5.5V supply and consume 275µA (max) quiescent current. The output is stable driving loads from 0.02µF to 1µF and can source and sink 5mA of load current. The MAX6037 offers a low temperature coefficient of 25ppm/°C and initial accuracy of ±0.2% (max). The low dropout voltage (100mV, max at 1mA) and supply-independent, low supply current make the MAX6037 ideal for battery-powered applications.

The MAX6037 is available in the miniature 5-pin SOT23 package and is specified over the -40°C to +125°C automotive temperature range.
MAX6037: Typical Operating Circuit MAX6037: Typical Operating Circuit Enlarge+

Key Features

  • Adjustable VOUT: 1.184V to 5V
  • Fixed Outputs: 1.25V, 2.048V, 2.5V, 3.0V, 3.3V, and 4.096V
  • Shutdown Current < 500nA (max)
  • 25ppm/°C (max) Temperature Coefficient (A Grade)
  • ±0.2% (max) Initial Accuracy (A Grade)
  • Low 100mV (max) Dropout Voltage at 1mA Load Current
  • 2.5V to 5.5V Input Voltage Range
  • 5mA Sink and Source Current Capability
  • Available in 5-Pin SOT23 Package
  • Operates Over the Automotive Temperature Range: -40°C to +125°C

Applications/Uses

  • Medical Equipment
  • Portable Equipment
  • Precision Regulators
  • Wireless Local Area Networks (WLANs)
Part NumberVOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
Calibration MethodISUPPLY
(µA)
VSUPPLY
(V)
VSUPPLY
(V)
Noise 0.1Hz to 10Hz
(µVpp)
Oper. Temp.
(°C)
Package/Pins
max@ +25°Cmaxminmaxtyp
MAX6037A 
1.25
2.048
2.5
3
3.3
4.096
Adjustable (1.184V to 5V)
250.2Adjustable2752.55.511-40 to +125
SOT23/5
MAX6037B 500.3
SOT23/5
MAX6037C 500.5
SOT23/5
See All Voltage References (170)
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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Related Resources


MAX6226
Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference

  • 8-pin Hermetically Sealed Ceramic Package Reduces System Board Space
  • Ultra-Low 1.45µVP-P Noise (0.1Hz to 10Hz, 2.5V Output)
  • Ultra-Low 5ppm/°C (Max) Temperature Coefficient