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參數資料
| 型號： | LM9044V |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | LM9044 Lambda Sensor Interface Amplifier |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQCC20 |
| 封裝： | PLASTIC, LCC-20 |
| 文件頁數： | 1/6頁 |
| 文件大?。?/td> | 125K |
| 代理商： | LM9044V |
TL/H/6744
L
February 1995
LM9044 Lambda Sensor Interface Amplifier
General Description
The LM9044 is a precision differential amplifier specifically
designed for operation in the automotive environment. Gain
accuracy is guaranteed over the entire automotive tempera-
ture range (
b
40
§
C to
a
125
§
C) and is factory trimmed prior
to package assembly. The input circuitry has been specifi-
cally designed to reject common-mode signals as much as
3V below ground on a single positive power supply. This
facilitates the use of sensors which are grounded at the
engine block while the LM9044 itself is grounded at chassis
potential. An external capacitor sets the maximum operating
frequency of the amplifier, thereby filtering high frequency
transients. Both inputs are protected against accidental
shorting to the battery and against load dump transients.
The input impedance is typically 1 M
X
.
The output op amp is capable of driving capacitive loads
and is fully protected. Also, internal circuitry has been pro-
vided to detect open circuit conditions on either or both in-
puts and force the output to a ‘‘home’’ position (a ratio of
the external reference voltage).
Features
Y
Normal circuit operation guaranteed with inputs up to
3V below ground on a single supply
Y
Gain factory trimmed and guaranteed over temperature
(
g
3% of full-scale from
b
40
§
C to
a
125
§
C)
Y
Low power consumption (typically 1 mA)
Y
Fully protected inputs
Y
Input open circuit detection
Y
Operation guaranteed over the entire automotive tem-
perature range (
b
40
§
C to
a
125
§
C)
Y
Single supply operation
Schematic and Connection Diagrams
TL/H/6744–1
Plastic Chip Carrier Package
*
Pins 1, 3, 4, 6, 8, 9, 10, 11, 13, 14, 16, 18, 19 are
trim pins and should be left floating.
TL/H/6744–6
Top View
Order Number LM9044V
See NS Package Number V20A
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM9044V/NOPB | 功能描述:差分放大器 Sensor Interface Amp RoHS:否 制造商:Texas Instruments 通道數量:1 Channel 帶寬:2.4 GHz 可用增益調整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| LM9044V/SL162819 | 制造商:Texas Instruments 功能描述: |
| LM9044VX | 功能描述:差分放大器 RoHS:否 制造商:Texas Instruments 通道數量:1 Channel 帶寬:2.4 GHz 可用增益調整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| LM9044VX/NOPB | 功能描述:差分放大器 RoHS:否 制造商:Texas Instruments 通道數量:1 Channel 帶寬:2.4 GHz 可用增益調整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| LM9061 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power MOSFET Driver with Lossless Protection |
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