參數(shù)資料
型號(hào)： LM185BYH-2.5
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Micropower Voltage Reference Diode
中文描述： 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, MBCY2
封裝： ROHS COMPLIANT, HERMETIC SEALED, METAL CAN, TO-46, 2 PIN
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 747K
代理商： LM185BYH-2.5
LM185/LM285/LM385
Adjustable Micropower Voltage References
General Description
The LM185/LM285/LM385 are micropower 3-terminal ad-
justable band-gap voltage reference diodes. Operating from
1.24 to 5.3V and over a 10μA to 20mA current range, they
feature exceptionally low dynamic impedance and good tem-
perature stability. On-chip trimming is used to provide tight
voltage tolerance. Since the LM185 band-gap reference
uses only transistors and resistors, low noise and good
long-term stability result.
Careful design of the LM185 has made the device tolerant of
capacitive loading, making it easy to use in almost any
reference application. The wide dynamic operating range
allows its use with widely varying supplies with excellent
regulation.
The extremely low power drain of the LM185 makes it useful
for micropower circuitry. This voltage reference can be used
to make portable meters, regulators or general purpose
analog circuitry with battery life approaching shelf life. Fur-
ther, the wide operating current allows it to replace older
references with a tighter tolerance part.
The LM185 is rated for operation over a 55C to 125C
temperature range, while the LM285 is rated 40C to 85C
and the LM385 0C to 70C. The LM185 is available in a
hermetic TO-46 package and a leadless chip carrier pack-
age, while the LM285/LM385 are available in a low-cost
TO-92 molded package, as well as S.O.
Features
n
Adjustable from 1.24V to 5.30V
n
Operating current of 10μA to 20mA
n
1% and 2% initial tolerance
n
1
dynamic impedance
n
Low temperature coefficient
Connection Diagrams
TO-92
Plastic Package
TO-46
Metal Can Package
00525009
Bottom View
00525001
Bottom View
SOIC Package
20-Leadless Chip Carrier
00525010
Top View
00525015
Top View
February 2005
L
2005 National Semiconductor Corporation
DS005250
www.national.com
相關(guān)PDF資料
PDF描述
LM185BYH-1.2 Micropower Voltage Reference Diode
LM185H-2.5 Micropower Voltage Reference
LM185-1.2 Micropower Voltage Reference Diode
LM185-12 Micropower Voltage Reference Diode
LM185-25 Micropower Voltage Reference Diode
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM185BYH-SMD 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Adjustable Micropower Voltage References
LM185D-1.2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Reference
LM185D2.5 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Reference
LM185E-1.2/883 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM185-1.2QML Micropower Voltage Reference Diode
LM185E-2.5/883 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Micropower Voltage Reference Diode
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