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BA7755A

Features: High withstanding voltage ( ± 65VDC (Min.), AC120VP-P (Min.), f = 70Hz). Circuits for either current control or voltage control are provided on the chip. Compact SIP 5pin or SOP 8pin package.Application Video cassette recorders and tape decksPinoutSpecifications Parameter Symbol L...

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SeekIC No. : 004295884 Detail

BA7755A: Features: High withstanding voltage ( ± 65VDC (Min.), AC120VP-P (Min.), f = 70Hz). Circuits for either current control or voltage control are provided on the chip. Compact SIP 5pin or SOP 8pin packa...

BA7755A Data Sheet

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Part Number:
BA7755A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 High withstanding voltage ( ± 65VDC (Min.), AC120VP-P (Min.), f = 70Hz).
Circuits for either current control or voltage control are provided on the chip.
Compact SIP 5pin or SOP 8pin package.




Application

Video cassette recorders and tape decks


Pinout

Connection Diagram


Specifications

Parameter Symbol Limits Unit
Power supply voltage VCC

15 V
Power dissipation Pd 400*1 mW
Operating temperature Topr 10 ~ + 65
Storage temperature Tstg 55 ~ + 125
Breakdown voltage of switch (pin 2) BVCC2 ± 65 V



Description

The standard audio circuits of video cassette recorders and the recording circuits of tape decks use AC bias recording to record the audio signal onto the tape. This bias voltage is some tens of volts, and a high-capacity bias-side switch is required to electronically switch the head when in playback or record mode.

The BA7755A and BA7755AF are high-voltage switching ICs designed to switch voltages as high as ± 65VDC or AC120VP-P (f = 70Hz).

Two control systems, one for current control, and one for voltage control are provided, so the ICs can be used in circuits that employ either method.

By combining the BA7755A or BA7755AF with the BA7751ALS recording / playback amplifier, it is possible to construct a compact recording / playback audio circuit. In addition, the BA7755A and BA7755AF are an excellent choice for a wide variety of other high-voltage switching applications.




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