HA12192F datasheet(15/89 Pages) HITACHI

No de pièce	HA12192F

Description	Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)

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Fabricant	HITACHI [Hitachi Semiconductor]

Site Internet	http://www.renesas.com/eng

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15 / 89 page

HA12192F/HA12197F/HA12212F Series

Rev.5, Jun. 1999, page 15 of 89

Music Sensor Time Constant

(1) Sensing no signal to signal (Attack) is determined by C6.

0.01

µF to 1µF capacitor C6 can be applicable.

Sensing no signal to signal = C6

× 45000 (sec)

(2) Sensing signal to no signal (Recovery) is determined by C6 and R11, however preceding (1), 100k

Ω to

1M

Ω R11 can be applicable.

Sensing signal to no signal = C6

× R11 (sec)

Music Sensor Output (MSOUT)

As for the internal circuit of music sensor block, music sensor output pin is connected to the collector of

NPN type directly, therefore, output level will be “high” when sensing no signal. And output level will be

“low” when sensing signal.

Connection with microcomputer, design I

L at 1mA Typ.

I L =

DVCC – MSOUTLo *

R L

*MSOUT

Lo:

Sensing signal (about 1V)

Note:

Supply voltage of MSOUT pin must be less than V

CC voltage.

The Tolerances of External Components for Dolby NR-Block (Only HA12192F Series)

For adequate Dolby NR tracking response, take external components shown below.

BIAS

DET(R)

DET(L)

C10

0.1

µF

±10%

C4

0.1

µF

±10%

R8

18k

Ω

±2%

HA12192F series

16

65

Figure 6 Tolerance of External Components

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Description similaire - HA12192F

Fabricant	No de pièce	Fiches technique	Description
Hitachi Semiconductor	HA12216F	343Kb / 53P	Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.)
Renesas Technology Corp	HA12228F	529Kb / 49P	Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.)
Hitachi Semiconductor	HA12228F	304Kb / 51P	Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)
Renesas Technology Corp	HA12216F	549Kb / 53P	Audio Signal Processor for Car Deck (Decode only Dolby B type NR with PB Amp.)
Hitachi Semiconductor	HA12163	578Kb / 66P	Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
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	HA12179F	259Kb / 40P	Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)
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	HA12226F	491Kb / 86P	Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
Renesas Technology Corp	HA12226F	731Kb / 84P	Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

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HA12192F Fiches technique(PDF) 15 Page - Hitachi Semiconductor

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