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HA12203N, HA12203NT, HA12206

Table of contents:
Info of HA12203N
Info of HA12203NT
Info of HA12206

HA12203N, HA12203NT, HA12206 Selling Leads, Datasheet

MFG:HITACHI Package Cooled:DIP D/C:06+

HA12203N, HA12203NT, HA12206 Datasheet download

Five Points

Part Number: HA12203N

MFG: HITACHI

Package Cooled: DIP

D/C: 06+

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HA12203NT General Description

HA12203NT is silicon monolithic bipolar IC providing Dolby noise reduction system*¹, music sensor system, REC equalizer system and each electronic control switch in one chip.
Note: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.

HA12203NT Maximum Ratings

Item	Symbol	Ratings	Unit	Note
Power-supply voltage	V_CC	16	V
Allowable power dissipation	Pd	500	mW	Ta 75°C
Operating temperature	T_opr	40 to +75	°C
Storage temperature	T_stg	55 to +125	°C

HA12203NT Features

• REC equalizer is very small number of external parts and have 6 types of frequency characteristics built-in.*³
• 2 types of input for PB, 1 type of input for REC.
• 70 - PB equalizer changing system built-in.
• Dolby NR with dubbing double cassette decks. Unprocessed signal output available from recording out terminals during PB mode.
• Provide stable music sensor system, available to design music sensing time and level.
• Controllable from direct micro-computer output.
• Bias oscillator control switch built-in.
• NR ON / OFF and REC / PB fully electronic control switching built-in.
• Normal-speed / high-speed, Normal / Crom / Metal*3 and PB equalizer fully electronic control switching built-in.
• Available to reduce substrate-area because of high integration and small external parts.
Note: 3. HA12204NT have 4 types of frequency characteristics.

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