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LA7285 - VCR Audio Signal Recording and Playback Processor

Description

of function EE, PB → off, REC → off On resistance → 20Ω(typ) Withstand voltage when off → ±45V (f=80kHz) 2 EQ AMP input and Head switch2 Input impendance for playback signal input from head → 80kΩ (typ) EE, REC → on PB → off On resistance → 5Ω (typ) 3 GND GND for pin 1 head switch and Equalize

Features

  • Built-in input switching circuit (for the line and tuner inputs).
  • Smaller package leaves large space for other components.
  • Equalizer input/output capacitors not required.
  • Low gain variation eliminates the need for external ajustment.
  • Supply voltage : 9V and 12V operation. Specifications Maximum Ratings at Ta = 25˚C Parameter Maximum supply voltage Pin1 input voltage Pin1 input current Allowable power dissipation Operating temperature Storage tem.

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Datasheet Details

Part number LA7285
Manufacturer SANYO (now Panasonic)
File Size 112.87 KB
Description VCR Audio Signal Recording and Playback Processor
Datasheet download datasheet LA7285 Datasheet
Additional preview pages of the LA7285 datasheet.

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Full PDF Text Transcription

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Ordering number:EN4091 Monolithic Linear IC LA7285, 7285M VCR Audio Signal Recording and Playback Processor Overview The LA7285 and LA7285M include on chip all functions required for the record and playback of VCR audio signals. In addition, the inclusion of a switching circuit for switching between tuner and line input in addition to the circuits provided by earlier ICs makes the LA7285 truly optimal for audio VCR products. Package Dimensions unit:mm 3067-DIP24S [LA7285] Funtions • • • • • • • • • • Equalizer amplifier Line amplifier Recording/playback switch Recording amplifier Mute SP, LP, EP switch Ripple filter ALC Tape head switch Line/tuner input switch SANYO:DIP24S unit:mm 3112-MFP24S [LA7285M] Features • Built-in input switching circuit (for the line and tuner inputs).
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