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參數(shù)資料
| 型號： | LM1837M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, PDSO16 |
| 封裝： | DIP-16 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 450K |
| 代理商： | LM1837M |
Electrical Characteristics (TA e 25 C VCC e 12V see Test Circuit Figure 2 ) (Continued)
Parameter
Conditions
Min
Typ
Max
Units
Output Amplifiers
Closed Loop Gain
Stable Operation
5
VV
Open Loop Voltage Gain
DC
100
dB
Gain Bandwidth Product
5
MHz
Slew Rate
6V ms
Input Offset Voltage
2
5
mV
Input Offset Current
20
100
nA
Input Bias Current
250
500
nA
Output Source Current
Pin 2 or 17
2
10
mA
Output Sink Current
Pin 2 or 17
400
900
m
A
Outut Voltage Swing
Pin 2 or 17
11
Vp-p
Output Diode Leakage
Voltage on Pins 1 and 18 e 18V
0
10
m
A
Note 1
For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance
of 90 CW junction to ambient (Dual-In-Line) Small Outline Thermal Resistance is 100 CW
Note 2
Measured with an average responding voltmeter using the filter circuit in
Figure 4 This simple filter is approximately equivalent to a ‘‘brick wall’’ filter with a
passband of 20 Hz to 20 kHz (see Application Hints) For 1 kHz THD the 400 Hz high pass filter on the distortion analyzer is used
Note 3
Channel separation can be measured by applying the input signal through transformers to simulate a floating source (see Application Hints) Care must be
taken to shield the coils from extraneous signals Actual production test techniques at National simulate this floating source with a more complex op amp circuit
Note 4
The numbers are referred to an output level of 160 mV at pins 2 and 17 using the circuit of
Figure 2 This corresponds to an input level of 03 mVrms at 333
Hz
Note 5
Measured with an average responding voltmeter using the Dolby lab’s standard CCIR filter having a unity gain reference at 2 kHz
Note 6
Measured using the Rhode-Schwarz psophometer model UPGR
3
Obsolete
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| LM1837N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Noise PREAMPLIFIER FOR AUTOREVERSING TAPE PLAYBACK SYSTEMS |
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| LM1837N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Preamp/Equalizer for Audio Tape Recorder |
| LM185 | 制造商:Texas Instruments 功能描述: |
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