TA2123AF 데이터 시트보기 (PDF) - Toshiba
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TA2123AF Datasheet PDF : 20 Pages
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Terminal
No.
Name
39 BEEP
41 MT SW
44 F / R SW
45 PRE SW
Function
Input of beep signal
・This terminal receives beep
signal of a microcomputer etc.
・This terminal should be set as
high impedance or “H” when
not using this function
Muting switch of power amplifier
Power amp. on: “H” level
Power amp. off: “L” level
Refer to application note 3 (2)
Forward / reverse switch
Forward: “L” level
Reverse: “H” level
Refer to application note 3 (2)
Muting switch of preamplifier
Preamp. on: “L” level
Preamp. off: “H” level
Refer to application note 3 (2)
42 PW SW
Power on / off switch
IC on: “H” level
IC off: “L” level
Refer to application note 3 (2)
43 BST SW
Boost on / off switch
BST on: OPEN / “H” level
BST off: “L” level
Refer to application note 3 (2)
46 M / N SW
47 PRE GND
Metal / normal mode switch
Metal mode: OPEN / “H” level
Normal mode: “L” level
Refer to application note 3 (2)
Power GND for power drive stage
TA2123AF
Internal Circuit
20kΩ
39
Power amplifier
Terminal
Voltage
(V)
0.7
—
47kΩ
—
41
—
42
—
20kΩ
—
43
10kΩ
46
—
—
0
6
2002-10-30
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