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Microchip Technology LM40 Series

8 variants · Microchip Technology

About the Microchip Technology Microchip Technology LM40 Series series

The Microchip Technology Microchip Technology LM40 Series series groups 8 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common case of TO-236-3, SC-59, SOT-23-3, current - supply of - and mounting type of Surface Mount. Variants differ by current - cathode, current - output and noise - 10Hz to 10kHz, so you can match the exact current - cathode your application requires using the selection guide below. All listed Microchip Technology LM40 Series part numbers are active and orderable.

Select a variant by

Current - cathode
65 µA · 70 µA · 78 µA · 80 µA · 85 µA
Current - output
12 mA · 15 mA · 20 mA
Noise - 10Hz to 10kHz
20µVrms · 80µVrms
Output type
Adjustable · Fixed
Package
Bulk · Tape & Reel (TR); Cut Tape (CT)
Temperature coefficient
100ppm/°C · 150ppm/°C
Tolerance
±0.1% · ±0.5% · ±1%
Voltage - output (Min (Fixed))
1.225V · 1.233V · 4.096V · 5V

Variant comparison

ParameterLM4040CYM3-5.0-TRLM4040DYM3-4.1-TRLM4040DYM3-5.0-TRLM4041CYM3-1.2-TRLM4041DYM3-1.2-TRLM4041DYM3-ADJ-TR
Current - cathode80 µA78 µA85 µA65 µA70 µA70 µA
Current - output15 mA15 mA15 mA12 mA12 mA12 mA
Noise - 10Hz to 10kHz80µVrms80µVrms80µVrms20µVrms20µVrms20µVrms
Output typeFixedFixedFixedFixedFixedAdjustable
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)
Temperature coefficient100ppm/°C150ppm/°C150ppm/°C100ppm/°C150ppm/°C150ppm/°C
Tolerance±0.5%±1%±1%±0.5%±1%±1%
Voltage - output (Min (Fixed))5V4.096V5V1.225V1.225V1.233V

Shared specifications

Case
TO-236-3, SC-59, SOT-23-3
Current - supply
-
Mounting type
Surface Mount
Noise - 0.1Hz to 10Hz
-
Operating temperature
-40°C~85°C(TA)
Reference type
Shunt
Voltage - input
-

Request a quote on any Microchip Technology LM40 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Microchip Technology Microchip Technology LM40 Series variants differ?
Microchip Technology LM40 Series part numbers differ by current - cathode, current - output, noise - 10Hz to 10kHz and output type. Use the selection guide above to pick by current - cathode.
How many Microchip Technology Microchip Technology LM40 Series part numbers are listed?
8 Microchip Technology Microchip Technology LM40 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Microchip Technology Microchip Technology LM40 Series?
Request a quote (RFQ) for any Microchip Technology LM40 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants