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參數(shù)資料
| 型號(hào)： | LA4820M |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 0.12 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁(yè)數(shù)： | 20/21頁(yè) |
| 文件大小： | 637K |
| 代理商： | LA4820M |
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Continued from preceding page.
Pin No.
Pin Name
Pin Voltage
Internal equivalent circuit
Remarks
7
PRE GND
c Connects small-signal block to
GND.
8VREF
2.8
VREF
c Virtual ground bias pin.
c Impedance is lowered by VREF
amplifier. (ro = 10
or less)
c VREF voltage is determined by
the following formula:
VREF = VCC2 voltage (pin 22)
2
(V)
9VREFREF
2.8
c LPF pin for VREF amplifier
reference bias.
10
REF
5.1
c LPF pin for internal ripple filter
reference bias.
c Voltage of VCC2 – 0.4 V.
11
PWRC CONT
0.8
c HzP Power is such that the
common amplifier turns off and
the output common capacitor
mode is entered when pin 11 is
pulled down.
12
DET OUT
0.5 to 1.0
c PVSS, output limiter,
non-clipping circuit ALC
rectification pin.
c The attack and recovery time
are determined by the external
capacitance and resistance.
Continued on next page.
LA4820M
No.5205-8/21
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