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參數(shù)資料
| 型號： | LMP8272 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運算放大器 |
| 英文描述： | High Common Mode, Gain of 14, Precision Voltage Difference Amplifiers |
| 中文描述： | OP-AMP, 1000 uV OFFSET-MAX, 0.08 MHz BAND WIDTH, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 457K |
| 代理商： | LMP8272 |
LMP8272, LMP8277
High Common Mode, Gain of 14, Precision Voltage
Difference Amplifiers
General Description
The LMP
8272, LMP8277 are fixed gain differential ampli-
fiers with a -2V to 27V input common mode voltage range
and a supply voltage range of 4.5V to 5.5V. The LMP8272,
LMP8277 are precision amplifiers which will detect, amplify
and filter small differential signals in the presence of high
common mode voltages. The gain is fixed at 14 and is
adequate to drive an ADC to full scale in most cases. This
fixed gain is achieved in two separate stages, a pre-amplifier
with gain of +7 and a second stage amplifier with a gain of
+2. The internal signal path between these two stages is
brought out on two pins that provide a connection for a filter
network.
The LMP8272, LMP8277 will function with reduced specifi-
cations over the extended common mode input voltage
range of -5 to 36 Volts. This feature makes the device
suitable for applications with load dump in automotive sys-
tems.
Features
n
Typical Values, TA = 25C
n
Input Offset Voltage
n
TCVos (LMP8272)
n
TCVos (LMP8277)
n
CMRR
n
Extended CMVR
n
Output Voltage Swing
n
Bandwidth
n
Operating Temperature Range (Ambient) -40C to 125C
n
Operating Temperature Range (bare die) -40C to 150C
n
Supply Voltage
n
Supply Current
1mV max
15μV/C max
30μV/C max
80dB Min
-5V to 36V
Rail to Rail
80KHz
4.5V to 5.5V
1mA
Applications
n
Fuel Injection Control
n
Low Side Driver Configuration Current Sensing
n
Power Management Systems
Typical Application
Typical Application: Low side Current Sensing
20130901
LMP
is a trademark of National Semiconductor Corporation.
PRELIMINARY
January 2005
L
2005 National Semiconductor Corporation
DS201309
www.national.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LMP8272A E0A WAF | 制造商:Texas Instruments 功能描述: |
| LMP8272A E0B WAF | 制造商:Texas Instruments 功能描述: |
| LMP8272MA | 制造商:Texas Instruments 功能描述:IC AMP DIFF SMD SOIC8 8272 |
| LMP8272MA/NOPB | 功能描述:IC AMP PREC DIFF 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:LMP® 標準包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| LMP8272MAX/NOPB | 功能描述:IC AMP PREC VOLT DIFF 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:LMP® 其它有關文件:Automotive Product Guide 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
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