LA7289 データシートの表示（PDF） - SANYO -> Panasonic
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LA7289 Datasheet PDF : 11 Pages
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Block Diagram
LA7289
Pin Functions
Pin No.
1
Function
Record bias automatic control output
Function description
EE, playback → VCC
Record → Control voltage
2
Head switch (high voltage)
3
GND
4
EQ amplifier input
Playback → On
Record, EE → Off
On resistance → 10 Ω (typical)
Withstand voltage when off
→ ±45 V (f = 70 kHz)
Ground used for the pin 2 head
switching circuit and the EQ amplifier.
Inputs the playback from the head
with an input impedance of
120 kΩ (typical).
Internal circuit
A06818
A06819
Continued on the next page.
No. 5642-7/11
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