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參數(shù)資料
| 型號(hào)： | LM212H |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 運(yùn)算放大器 |
| 英文描述： | Operational Amplifiers |
| 中文描述： | OP-AMP, 2000 uV OFFSET-MAX, 1 MHz BAND WIDTH, MBCY8 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 200K |
| 代理商： | LM212H |
TL/H/7751
L
September 1992
LM112/LM212/LM312 Operational Amplifiers
General Description
The LM112 series are micropower operational amplifiers
with very low offset-voltage and input-current errorsDat
least a factor of ten better than FET amplifiers over a
b
55
§
C to
a
125
§
C temperature range. Similar to the LM108
series, that also use supergain transistors, they differ in that
they include internal frequency compensation and have pro-
visions for offset adjustment with a single potentiometer.
These amplifiers will operate on supply voltages of
g
2V to
g
20V, drawing a quiescent current of only 300
m
A. Per-
formance is not appreciably affected over this range of volt-
ages, so operation from unregulated power sources is easily
accomplished. They can also be run from a single supply
like the 5V used for digital circuits.
The LM112 series are the first IC amplifiers to improve reli-
ability by including overvoltage protection for the MOS com-
pensation capacitor. Without this feature, IC’s have been
known to suffer catastrophic failure caused by short-dura-
tion overvoltage spikes on the supplies. Unlike other inter-
nally-compensated IC amplifiers, it is possible to overcom-
pensate with an external capacitor to increase stability mar-
gin.
The LM212 is identical to the LM112, except that the LM212
has its performance guaranteed over a
b
25
§
C to
a
85
§
C
temperature range instead of
b
55
§
C to
a
125
§
C. The
LM312 is guaranteed over a 0
§
C to
a
70
§
C temperature
range.
Features
Y
Maximum input bias current of 3 nA over temperature
Y
Offset current less than 400 pA over temperature
Y
Low noise
Y
Guaranteed drift specifications
Connection Diagram
Metal Can Package
TL/H/7751–4
Top View
Order Number LM112H, LM212H, LM312H or LM112H/883
See NS Package Number H08C
Auxiliary Circuits
Offset Balancing
TL/H/7751–2
Overcompensation for Greater Stability Margin
TL/H/7751–3
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM313 | Reference Diode |
| LM113 | CAP FILM MKT .033UF 100VDC 10% |
| LM113-1H | CAP FILM MKT .33UF 100VDC 10% |
| LM113-2H | CAP FILM MKT .039UF 100VDC 10% |
| LM113H | Reference Diode |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM212JG | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:OPERATIONAL AMPLIFIERS/BUFFERS |
| LM212L | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:OPERATIONAL AMPLIFIERS/BUFFERS |
| LM212P | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:OPERATIONAL AMPLIFIERS/BUFFERS |
| LM21305 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Evaluation Board full featured adjustable frequency synchronous |
| LM21305_11 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:5A Adjustable Frequency Synchronous Buck Regulator |
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