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參數(shù)資料
| 型號(hào)： | LM831 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM831 Low Voltage Audio Power Amplifier |
| 中文描述： | LM831低電壓音頻功率放大器 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 309K |
| 代理商： | LM831 |
LM831 Circuit Description
Refer to the external component diagram and equivalent schematic.
The power supply is applied to Pin 9 and is filtered by resis-
tor R
1
and capacitor C
BY
on Pin 16. This filtered voltage at
Pin 16 is used to bias all of the LM831 circuits except the
power output stage. Resistor R
0
generates a biasing current
that sets the output DC voltage for optimum output power
for any given supply voltage.
Feedback is provided to the input transistor Q
1
emitter by
R
6
and R
7
.
The capacitor C
NF
on Pin 2 provides unity DC gain for maxi-
mum DC accuracy.
Q
2
provides voltage gain and the rest of the devices buffer
the output load from Q
2
’s collector.
Bootstrapping of Pin 5 by C
BS
allows maximum output
swing and improved supply rejection.
R
5
is provided for bridge (BTL) operation.
External Component Diagram
TL/H/6754–12
9
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM831M | LM831 Low Voltage Audio Power Amplifier |
| LM831N | LM831 Low Voltage Audio Power Amplifier |
| LM8364 | Thin Film Resistor Network; Series:VSSR; Resistance:39ohm; Resistance Tolerance:+/- 2 %; Power Rating:1.4W; Voltage Rating:50V; Temperature Coefficient:+/-100 ppm; Package/Case:24-QSOP; Network Circuit Type:Isolated |
| LM8364BALMF20 | Thin Film Resistor Network; Series:VSSR; Resistance:47ohm; Resistance Tolerance:+/- 2 %; Power Rating:1.4W; Voltage Rating:50V; Temperature Coefficient:+/-100 ppm; Package/Case:24-QSOP; Network Circuit Type:Isolated |
| LM8364BALMF30 | CAP .10UF 16V CERAMIC X7R 0603 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM831M | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM831 Low Voltage Audio Power Amplifier |
| LM831-M101 | 制造商:TELEDYNE INDUSTRIAL 功能描述: |
| LM831MX | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| LM831N | 制造商:Texas Instruments 功能描述: |
| LM832 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM832 Dynamic Noise Reduction System DNR |
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