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參數(shù)資料
| 型號(hào)： | LM4120AI3.0MWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 3 V, UUC |
| 封裝： | WAFER |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 391K |
| 代理商： | LM4120AI3.0MWC |
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LM4120
Precision Micropower Low Dropout Voltage Reference
General Description
The LM4120 is a precision low power low dropout bandgap
voltage reference with up to 5 mA output current source and
sink capability.
This series reference operates with input voltages as low as
2V and up to 12V consuming 160 A (Typ.) supply current. In
power down mode, device current drops to less than 2 A.
The LM4120 comes in two grades (A and Standard) and
seven voltage options for greater flexibility. The best grade
devices (A) have an initial accuracy of 0.2%, while the stan-
dard have an initial accuracy of 0.5%, both with a tempco of
50ppm/C guaranteed from 40C to +125C.
The very low dropout voltage, low supply current and
power-down capability of the LM4120 makes this product an
ideal choice for battery powered and portable applications.
The device performance is guaranteed over the industrial
temperature range (40C to +85C), while certain specs are
guaranteed over the extended temperature range (40C to
+125C). Please contact National for full specifications over
the extended temperature range. The LM4120 is available in
a standard 5-pin SOT-23 package.
Features
n
Small SOT23-5 package
n
Low dropout voltage:
120 mV Typ @ 1mA
n
High output voltage accuracy:
0.2%
n
Source and Sink current output:
±5mA
n
Supply current:
160 A Typ.
n
Low Temperature Coefficient:
50 ppm/C
n
Enable pin
n
Fixed output voltages:
1.8, 2.048, 2.5, 3.0, 3.3, 4.096
and 5.0V
n
Industrial temperature Range:
40C to +85C
n
(For extended temperature range, 40C to 125C,
contact National Semiconductor)
Applications
n
Portable, battery powered equipment
n
Instrumentation and process control
n
Automotive & Industrial
n
Test equipment
n
Data acquisition systems
n
Precision regulators
n
Battery chargers
n
Base stations
n
Communications
n
Medical equipment
Functional Block Diagram
Connection Diagram
DS101047-1
DS101047-2
Refer to the Ordering Information Table in this Data Sheet for Specific
Part Number
SOT23-5 Surface Mount Package
February 2000
LM4120
Precision
Micropower
Low
Dropout
V
oltage
Reference
2000 National Semiconductor Corporation
DS101047
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4120AI-4.1 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| LM4120AIM50 | 制造商:Texas Instruments 功能描述: |
| LM4120AIM5-1.8 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM4120AIM5-1.8 | 制造商:Texas Instruments 功能描述:IC SM MICROPOWER REFERENCE 1.8V |
| LM4120AIM5-1.8/NOPB | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
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