LM4121AIM5-1.2 National Semiconductor, LM4121AIM5-1.2 Datasheet - Page 2

• Manufacturer Part Number: LM4121AIM5-1.2
• Description: Precision Micropower Low Dropout Voltage Reference
• Manufacturer: National Semiconductor

www.national.com
Ordering Information
SOT-23 Package Marking Information
Industrial Temperature Range (−40˚C to + 85˚C)
Only four fields of marking are possible on the SOT-23’s small surface. This
table gives the meaning of the four fields.
First Field:
Second and third Field:
19 = 1.250V Voltage Option
20 = Adjustable
Fourth Field:
Initial Output Voltage Accuracy at 25˚C
R = Reference
A-B = Initial Reference Voltage Tolerance
A =
B =
0.2%, 50 ppm/˚C max (A grade)
And Temperature Coefficient
±
±
0.2%
0.5%
0.5%, 50 ppm/˚C max
Field Information
1000 Units, Tape and
LM4121 Supplied as
LM4121AIM5-ADJ
LM4121AIM5-1.2
LM4121IM5-ADJ
LM4121IM5-1.2
Reel
2
3000 Units, Tape and
LM4121 Supplied as
LM4121AIM5X-ADJ
LM4121AIM5X-1.2
LM4121IM5X-ADJ
LM4121IM5X-1.2
Reel
Marking
R19A
R20A
R19B
R20B
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