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Diodes - PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES

Numéro de référence LM4041
Description PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES
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LM4041 fiche technique
LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES
Description
The LM4041 is a bandgap circuit designed to achieve a
precision micro-power voltage reference of 1.225 V. The
device is available in the small outline SOT23 and SC70-5
surface mount packages which are ideal for applications
where space saving is important.
Both packages are available to 0.5% C grade and 1%
D grade for precision applications. Excellent performance is
maintained over the 60µA to 12mA operating current range
with a typical temperature coefficient of only 20ppm/°C. The
device has been designed to be highly tolerant of capacitive
loads so maintaining excellent stability.
This device offers a pin for pin compatible alternative to the
LM4041 voltage reference in both adjustable and 1.225V
output variants.
Features
Small packages:
SOT23, SC70-5
No output capacitor required
Output voltage tolerance
LM4041C:
±0.5% at 25°C
LM4041D:
±1% at 25°C
Low output noise:
20µVrms
(10Hz to 10kHz)
Wide operating current range: 60µA to 12mA
Extended temperature range: -40°C to +125°C
Low temperature coefficient : 100ppm/°C (max)
All parts AEC-Q100 Grade1 qualified
Applications
Battery powered equipment
Precision power supplies
Portable instrumentation
Portable communications devices
Notebook and palmtop computers
Data acquisition systems
Pin Assignments
LM4041_F (SOT23)
CATHODE 1
3 N/C
ANODE 2
Pin 3 must left floating or connected to pin 2.
LM4041_ADJF….(SOT23)
REF 1
3 ANODE
CATHODE 2
LM4041_H5 (SC70-5)
ANODE 1
5 N/C
N/C 2
CATHODE 3
4 N/C
Pin 2 must be left floating or connected to pin 1
LM4041_ADJH5 (SC70-5)
N/C 1
ANODE 2
5 REF
CATHODE 3
4 N/C
LM4041
Document number: DS32020 Rev. 8 - 2
1 of 7
www.diodes.com
September 2011
© Diodes Incorporated

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