Product Summary

The LM4121AIM5X-1.2 is a Precision Micropower Low Dropout Voltage Reference. It is available in a fixed 1.25V and adjustable version with up to 5 mA current source and sink capability. The LM4121AIM5X-1.2 operates with input voltages as low as 1.8V and up to 12V consuming 160 μA (Typ.) supply current. The applications of the LM4121AIM5X-1.2 include Portable, battery powered equipment, Instrumentation and process control, Automotive & Industrial, Test equipment, Data acquisition systems, Precision regulators, Battery chargers, Base stations,Communications, Medical equipment.

Parametrics

LM4121AIM5X-1.2 absolute maximum ratings: (1)Maximum Voltage on input or enable pins: -0.3V to 14V; (2)Output Short-Circuit Duration: Indefinite; (3)Power Dissipation (TA = 25℃) (Note 2): MA05B package θJA 280℃/W; (4)Power Dissipation: 350 mW; (5)ESD Susceptibility (Note 3) Human Body Model: 2 kV; (6)Machine Model: 200V; (7)Storage Temperature Range: -65 to +150℃; (8)Ambient Temperature Range: -40 to +85℃; (9)Junction Temperature Range: -40 to +125℃.

Features

LM4121AIM5X-1.2 features: (1)Small SOT23-5 package; (2)Low voltage operation; (3)High output voltage accuracy: 0.2%; (4)Source and Sink current output: ±5mA; (5)Supply current: 160μA Typ.; (6)Low Temperature Coefficient: 50ppm/℃; (7)Enable pin; (8)Output voltages: 1.25V and Adjustable; (9)Industrial temperature Range: -40℃ to +85℃; (10)(For extended temperature range, -40 to 125℃, contact National Semiconductor).

Diagrams

LM4121AIM5X-1.2 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
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LM4121AIM5X-1.2
LM4121AIM5X-1.2


IC VREF SERIES PREC SOT-23-5

Data Sheet

Negotiable 
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LM41
LM41

Other


Data Sheet

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LM4120
LM4120

Other


Data Sheet

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LM4120AIM5-1.8
LM4120AIM5-1.8

National Semiconductor (TI)

Voltage & Current References

Data Sheet

0-1000: $0.77
1000-5000: $0.74
5000-10000: $0.71
LM4120AIM5-1.8/NOPB
LM4120AIM5-1.8/NOPB

National Semiconductor (TI)

Voltage & Current References

Data Sheet

0-1: $1.76
1-25: $1.42
25-100: $1.28
100-250: $1.14
LM4120AIM5-2.0
LM4120AIM5-2.0

National Semiconductor (TI)

Voltage & Current References

Data Sheet

0-1000: $0.77
1000-5000: $0.74
5000-10000: $0.71
LM4120AIM5-2.0/NOPB
LM4120AIM5-2.0/NOPB

National Semiconductor (TI)

Voltage & Current References

Data Sheet

0-1: $1.76
1-25: $1.42
25-100: $1.28
100-250: $1.14