LM4050-N

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50-ppm/°C precision micropower shunt voltage reference

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Data sheet

document-pdfAcrobat LM4050-N/-Q1 Precision Micropower Shunt Voltage Reference datasheet (Rev. H) PDF | HTML

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20ppm/°C maximum drift high-precision shunt voltage reference LM4060 offers 50% better initial accuracy, and an increase to 50mA cathode current support.

LM4050-N

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Data sheet

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Product details

Rating

Catalog

VO (V)

2.048, 2.5, 4.096, 4.1, 5, 8.192, 10

Initial accuracy (max) (%)

0.1, 0.2, 0.5

Iz for regulation (min) (µA)

45, 60, 68, 74, 91, 100

VO adj (min) (V)

2.048

VO adj (max) (V)

10

Reference voltage (V)

Fixed

Temp coeff (max) (ppm/°C)

50

Operating temperature range (°C)

-40 to 125

Iout/Iz (max) (mA)

15

Rating

Catalog

VO (V)

2.048, 2.5, 4.096, 4.1, 5, 8.192, 10

Initial accuracy (max) (%)

0.1, 0.2, 0.5

Iz for regulation (min) (µA)

45, 60, 68, 74, 91, 100

VO adj (min) (V)

2.048

VO adj (max) (V)

10

Reference voltage (V)

Fixed

Temp coeff (max) (ppm/°C)

50

Operating temperature range (°C)

-40 to 125

Iout/Iz (max) (mA)

15

SOT-23 (DBZ)

3

6.9204 mm² (2.92 mm × 2.37 mm)

Small Package: SOT-23
No Output Capacitor Required
Tolerates Capacitive Loads
Fixed Reverse Breakdown Voltages of 2.048V, 2.5V, 4.096V, 5V, 8.192V, and 10V
Key Specifications (LM4050-N)
- Output Voltage Tolerance (A Grade, 25°C) ±0.1% (Maximum)
- Low Output Noise (10Hz to 10kHz) 41µVrms (Typical)
- Wide Operating Current Range 60µA to 15mA
- Industrial Temperature Range −40°C to 85°C
- Extended Temperature Range −40°C to 125°C
- Low Temperature Coefficient 50ppm/°C (max)
- LM4050-N-Q1 is AEC-Q100 Grade 1 Qualified and are Manufactured on an Automotive Grade Flow

Small Package: SOT-23
No Output Capacitor Required
Tolerates Capacitive Loads
Fixed Reverse Breakdown Voltages of 2.048V, 2.5V, 4.096V, 5V, 8.192V, and 10V
Key Specifications (LM4050-N)
- Output Voltage Tolerance (A Grade, 25°C) ±0.1% (Maximum)
- Low Output Noise (10Hz to 10kHz) 41µVrms (Typical)
- Wide Operating Current Range 60µA to 15mA
- Industrial Temperature Range −40°C to 85°C
- Extended Temperature Range −40°C to 125°C
- Low Temperature Coefficient 50ppm/°C (max)
- LM4050-N-Q1 is AEC-Q100 Grade 1 Qualified and are Manufactured on an Automotive Grade Flow

Designed for space-critical applications, the LM4050-N precision voltage reference is available in the sub-miniature (3mm × 1.3mm) SOT-23 surface-mount package. The LM4050-N design eliminates the need for an external stabilizing capacitor while maintaining stability with any capacitive load, thus making the LM4050-N easy to use. Further reducing design effort is the availability of several fixed reverse breakdown voltages: 2.048V, 2.5V, 4.096V, 5V, 8.192V, and 10V. The minimum operating current increases from 60µA for the LM4050-N-2.0 to 100µA for the LM4050-N-10.0. All versions have a maximum operating current of 15mA.

The LM4050-N utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort to make sure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance verify stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

All grades and voltage options of the LM4050-N are available in both an industrial temperature range (−40°C and 85°C) and an extended temperature range (−40°C and 125°C).

Designed for space-critical applications, the LM4050-N precision voltage reference is available in the sub-miniature (3mm × 1.3mm) SOT-23 surface-mount package. The LM4050-N design eliminates the need for an external stabilizing capacitor while maintaining stability with any capacitive load, thus making the LM4050-N easy to use. Further reducing design effort is the availability of several fixed reverse breakdown voltages: 2.048V, 2.5V, 4.096V, 5V, 8.192V, and 10V. The minimum operating current increases from 60µA for the LM4050-N-2.0 to 100µA for the LM4050-N-10.0. All versions have a maximum operating current of 15mA.

The LM4050-N utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort to make sure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance verify stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

All grades and voltage options of the LM4050-N are available in both an industrial temperature range (−40°C and 85°C) and an extended temperature range (−40°C and 125°C).

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Technical documentation

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Top documentation	Type	Title	Format options	Date
*	Data sheet	LM4050-N/-Q1 Precision Micropower Shunt Voltage Reference datasheet (Rev. H)	PDF \| HTML	Mar 26, 2025
	Application note	Voltage Reference Selection and Design Tips For Data Converters (Rev. B)	PDF \| HTML	Jan 9, 2024
	E-book	Voltage Supervisor and Reset ICs: Tips, Tricks and Basics		Jun 28, 2019

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LM4050-N

50-ppm/°C precision micropower shunt voltage reference

A newer version of this product is available

Drop-in replacement with upgraded functionality to the compared device.

LM4050-N

Product details

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