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LM385B-2.5CZBG Datasheet

  • LM385B-2.5CZBG

  • Micropower Voltage Reference

  • 123.07KB

  • 7頁

  • AIC

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LM385-2.5/LM385B-2.5
Micropower Voltage Reference
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FEATURES
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DESCRIPTION
The LM385-2.5 is a micropower 2-terminal band-
gap voltage reference, which can operate in
a
20碌A(chǔ) to 20mA current range, they feature excep-
tionally low dynamic impedance and good tem-
perature stability. On-chip trimming is used to
achieve tight voltage tolerance. Since the LM385-
2.5 bandgap reference uses only transistors and
resistors, low noise and good long-term stability
result.
Careful design of the LM385-2.5 has made the de-
vice exceptionally tolerant of capacitive loading,
making it easy to use in almost any reference ap-
plication. The wide dynamic operating range al-
lows for its use with widely varying supplies with
excellent regulation.
The extremely low power drain of the LM385-2.5
makes it useful for micropower circuitry. This volt-
age reference can be used to make portable me-
ters, regulators, or general purpose analog circui-
try with battery life approaching shelf life. Further,
the wide operating current allows it to replace
older references with a tighter tolerance.
Operating Current from 20碌A(chǔ) to 20mA.
Low Temperature Coefficient.
1% and 2% Initial Tolerance.
Low Dynamic Impedance.
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APPLICATIONS
Portable, Battery-Powered Equipment.
Instrumentation.
Process Control.
Energy Management.
Product Testing.
Automotive.
Precision Audio Components.
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TYPICAL APPLICATION CIRCUIT
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IN
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2.5V
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LM385-2.5
Precision 2.500V Voltage Reference
Analog Integrations Corporation
4F, 9 Industry E. 9th Rd, Science-Based Industrial Park, Hsinchu, Taiwan
TEL: 886-3-5772500
FAX: 886-3-5772510
w ww.analog.com.tw
DS-385C-01 012102
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