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參數(shù)資料
| 型號： | LA4581M |
| 英文描述： | Preamplifier + Power Amplifier for 3V Headphone Stereos(215.50 k) |
| 中文描述： | 前置放大器功率放大器為3V耳機音響（215.50十一） |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LA4581M |
Sample Application Circuit
Pin and external part functions (when the voltage is V
CC
= 3.0 V)
Pin No.
1
Pin Function
PRE GND
PRE IN1R 1.8 V
v
Turns ON when pin 17 is grounded.
v
A bias resistor (2.2 k
) must be connected between pin 2 and pin 24 (V
ref
) when no head is in use.
PRE IN1F 1.8 V
v
Turns ON when pin 17 is floating.
v
A bias resistor (2.2 k
) must be connected between pin 3 and pin 24 (V
ref
) when no head is in use.
PRE NF1 1.8 V
PRE OUT1 1.8 V
v
Like pin 6, 10 k
load drivable.
SW OUT1 1.8V
v
Provides PRE AMP1 output when pin 8 is floating (PRE MUTE OFF)(equivalent to pin 5).
v
Disconnects from PRE AMP1 and sets R
IN
^
500 k
when pin 8 is at V
CC
(PRE MUTE ON).
POWER IN1 1.8V
v
Input resistance R
IN
7
30 k
2
3
4
5
6
7
Continued on next page.
A
Ambient temperature, Ta °C
Preamplifier input is applied to pins 2,23/
pins 3,22 when SW ON/OFF, respectively.
POWER MUTE ON when
connected to GND.
Note) Pre closed loop gain VG = 40 dB/1 kHz NAB
PRE MUTE ON when
connected to VCC
Unit (resistance:
, capacitance: F)
1.8 to 3.6 V
LA4581MB
No.3535-3/8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4581MB | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Preamplifier Power Amplifier for 3V Headphone Stereos |
| LA4582 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Pre Power Amplifier for 3-V Headphone Stereo Systems |
| LA4582CM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Pre Power Amplifier for 3-V Headphone Stereo Systems |
| LA4583 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Cassette Stereo Recording and Playback System |
| LA4583M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Cassette Stereo Recording and Playback System |
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