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  • LM4132CQ1MFT3.3

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LM4132CQ1MFT3.3 Overview

The LM4132 family of precision voltage references performs comparable to the best laser-trimmed bipolar references, but in cost-effective CMOS technology. The key to this breakthrough is the use of EEPROM registers for correction of curvature, temperature coefficient (tempco), and accuracy on a CMOS band-gap architecture allowing package-level programming to overcome assembly shift. The shifts in voltage accuracy and tempco during assembly of die into plastic packages limit the accuracy of references trimmed with laser techniques.

Unlike other LDO references, the LM4132 can deliver up to 20 mA and does not require an output capacitor or buffer amplifier. These advantages along with the SOT-23 packaging are important for space-critical applications.

Series references provide lower power consumption than shunt references, because they do not have to idle the maximum possible load current under no-load conditions. This advantage, the low quiescent current (60 μA), and the low dropout voltage (400 mV) make the LM4132 ideal for battery-powered solutions.

The LM4132 is available in five grades (A, B, C, D and E) for greater flexibility. The best grade devices (A) have an initial accuracy of 0.05% with a specified temperature coefficient of 10 ppm/°C or less, while the lowest grade devices (E) have an initial accuracy of 0.5% and a tempco of 30 ppm/°C.


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
  • Output Initial Voltage Accuracy: 0.05%
  • Low Temperature Coefficient: 10 ppm/°C
  • Low Supply Current: 60 μA
  • Enable Pin Allowing a 3-μA Shutdown Mode
  • 20-mA Output Current
  • Voltage Options: 1.8 V, 2.048 V, 2.5 V, 3 V, 3.3 V, 4.096 V
  • Custom Voltage Options Available (1.8 V to 4.096 V)
  • VIN Range of VREF + 400 mV to 5.5 V at 10 mA
  • Stable With Low-ESR Ceramic Capacitors

Product Parameters

  • genericPartNumber


  • partDescription

    Automotive, SOT-23 precision low dropout voltage reference

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    250|SMALL T&R

  • orderablePartNumber


  • statusDisplay


  • packageQuantity


  • packagePins

    SOT-23 (DBV)|5

Technical Documents

  • Voltage Reference Design Tips For ADC Pairing (Rev. A)Details>>

  • LM4132-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. A)Details>>

Other distributor's price

Distributor Part # Mfg. Description Price
arrow LM4132CQ1MFT3.3 Texas Instruments V-Ref Precision 3.3V 20mA Automotive 5-Pin SOT-23 T/R




digikey LM4132CQ1MFT3.3 Texas Instruments IC VREF SERIES 0.2% SOT23-5





mouser LM4132CQ1MFT3.3 Texas Instruments Voltage References Automotive, SOT-23 precision low dropout voltage reference 5-SOT-23 -40 to 125