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参数资料
| 型号： | LA4587M |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.021 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封装： | QIP-48 |
| 文件页数： | 16/18页 |
| 文件大小： | 407K |
| 代理商： | LA4587M |
Continued from preceding page.
Unit (resistance:
, capacitance: F)
Pin No.
Pin name
Pin voltage
[V]
Internal equivalent circuit
Remarks
23
26
METAL1
METAL2
0
c Connected to GND through
3.9 k
in metal on mode (pin
40: floating)
24
25
AMSS IN1
AMSS IN2
0.75
c AMSS inverting input
connection.
c An external input resistor is
required.
29
30
31
32
PRE REV IN1
PRE REV IN2
PRE FWD IN2
PRE FWD IN1
0.75
b Pins 29 and 30 turn on in
REV mode (pin 39: GND).
c Pins 31 and 32 turn on in
FWD mode (pin 39: floating)
c When not using the head, a
bias resistor (2.2 k
)is
required between these pins
and VREF (pin 33).
c An anti-buzz capacitor is built
in.
33
VREF
0.75
c VREF amplifier output. Low
impedance is achieved due
to the output resistor (ro =
10
).
c Inflow/outflow current:
200 A max.
34
REF
0.75
c The VREF amplifier is
referenced hereto.
36
AMSS OUT
c Outputs a pulse waveform in
accordance with the AMSS
IN (pins 24 and 25) input
level.
Continued on next page.
LA4587M
No.5204-7/18
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