AN7354 Datasheet PDF - Panasonic Semiconductor Dolby B/C-type Noise Reduction Specs

AN7354 - Dolby B/C-type Noise Reduction

Datasheet Summary

Description

expresses that MODE is REC.

and NR is OFF.

The same for the following.

IN when the output voltage of REC.

OUT becomes 388mVrms.

For this input voltage, the reference level in REC.

is assumed 0dB.

Features

Built-in spectral Delay Mute Rect Bias LOGIC Rect Delay Mute 1 + 1µF 2 22kΩ 3 + 1µF 4 5 6 7 2.4kΩ 8 9 10 11 + 12 0.1µF 13 + 1µF 14 MPX PB IN 1500pF 5.6kΩ NR C/B ON/ -type OFF Mute ON/OFF VEE REC. IN + 2.2µF 0.35±0.1 100kΩ AN7354SC s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Supply Current (Ta=75˚C) Power Dissipation (Ta=75˚C) Operating Ambient Temperature Storage Temperature Symbol VCC ICC (+) ICC (.
) PD Topr Tstg ICs for Cassette, Ca.

Datasheet Details

Part number	AN7354
Manufacturer	Panasonic Semiconductor
File Size	122.76 KB
Description	Dolby B/C-type Noise Reduction
Datasheet	AN7354 Datasheet
Additional preview pages of the AN7354 datasheet.

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Full PDF Text Transcription

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ICs for Cassette, Cassette Deck AN7354SC Dolby* B/C-type Noise Reduction s Overview The AN7354SC is an IC for 2 ch. Dolby B/C-Type noise reduction process. It requires fewer external parts and incorporates the functions of line-output muting and level detection and the delay circuit. 0.45 Unit : mm 1 42 skewing circuit not requiring external parts • Line-output muting circuit built-in • PB input delay circuit built-in • Built-in level detection circuit for automatic level adjustment and level meter • ON/OFF of NR, B-/C-type, REC./PB, MPX and muting function, and Hi/Lo changeover of level detection gain, directly-controllable by microcomputer 0.1±0.1 1.0 21 22 2.0±0.2 REC. OUT 1500pF 0.47µF 24 + 23 9.5±0.3 11.5±0.

Published: Mar 26, 2005 |