HA12209F datasheet(12/49 Pages) HITACHI

No de pièce	HA12209F

Description	Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

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Fabricant	HITACHI [Hitachi Semiconductor]

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

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12 / 49 page

HA12209F

Rev.2, Jun. 1999, page 12 of 49

Music Sensor Output (MSOUT)

As for internal circuit of music sensor block, music sensor out pin is connected to the collector of NPN type

directly, output level will be “high” when sensing no signal. And output level will be “low” when sensing

signal.

Connection with microcomputer, it is requested to use external pull up resistor (R

L = 10k to 22kΩ)

Note:

Supply voltage of MSOUT pin must be less than V

CC voltage.

The Tolerances of External Components

For Dolby NR precision securing, please use external components shown at figure 7.

If leak-current are a few electrolytic-capacitor, it can be applicable to C2 and C15.

39

C2

0.1

µ

±10%

C15

0.1

µ

±10%

R1

33k

±2%

1

4

BIAS1

DET (L)

DET (R)

HA12209

R :

Ω

C : F

Unit

Figure 7 Tolerance of External Components

Low-Boost

EQOUT

CEX3

0.47

µ

CEX4

0.47

µ

REX3

5.1k

EQIN

Vin

GND

+

REX2

6.8k

R :

Ω

C : F

Unit

REC EQ

CEX2

2.2

µ

REX1

20k

Figure 8 Example of Low Boost Circuit

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Fabricant	No de pièce	Fiches technique	Description
Hitachi Semiconductor	HA12203	687Kb / 97P	Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
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Description similaire - HA12209F

Fabricant	No de pièce	Fiches technique	Description
Hitachi Semiconductor	HA12203NT	687Kb / 97P	Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
Hitachi Semiconductor	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)
Hitachi Semiconductor	HA12215F	389Kb / 69P	Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
	HA12155NT	463Kb / 57P	Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System)
	HA12163	578Kb / 66P	Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
	HA12173	1Mb / 66P	Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
	HA12179F	259Kb / 40P	Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)
	HA12216F	343Kb / 53P	Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.)
	HA12192F	517Kb / 89P	Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)

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HA12209F Fiches technique(PDF) 12 Page - Hitachi Semiconductor

HA12209F Fiches technique(HTML) 12 Page - Hitachi Semiconductor

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