LA7289 - VCR Audio Signal Record and Playback Processor

Sanyo

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Datasheet Details

Part number	LA7289
Manufacturer	Sanyo
File Size	210.67 KB
Description	VCR Audio Signal Record and Playback Processor
Datasheet	LA7289_SanyoSemiconDevice.pdf

LA7289 Product details

Description

EE, playback → VCC Record → Control voltage Internal circuit A06818 2 Head switch (high voltage) Playback → On Record, EE → Off On resistance → 10 Ω (typical) Withstand voltage when off → ±45 V (f = 70 kHz) 3 GND Ground used for the pin 2 head switching circuit and the EQ amplifier.4 EQ amplifier input Inputs the playback from the head with an input impedance of 120 kΩ (typical).A06819 Continued on the next page.No.5642-7/11 LA7289 Continued from the preceding page.Pin No.5 F

Features

Adjustment-free record bias current (automatic adjustment circuit adopted).
Built-in record bias oscillator circuit power supply switch.
Record equalizer choke coil no longer required.
Playback amplifier input noise voltage: 1.0 µV rms.
Value of the ALC detector capacitor reduced (to 3.3 µF).
Built-in high-voltage head switching circuit.
Supply voltage: supports both 9 and 12-V operation.
Built-in input switching circuit (f.

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Published: Apr 25, 2005 |