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HA12226F

Hitachi Semiconductor
Part Number HA12226F
Manufacturer Hitachi Semiconductor
Description Audio Signal Processor
Published Mar 22, 2005
Detailed Description HA12226F/HA12227F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-270E (Z) 6th...
Datasheet PDF File HA12226F PDF File

HA12226F
HA12226F

Overview
HA12226F/HA12227F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-270E (Z) 6th Edition Dec.
2000 Description The HA12226F/HA12227F are silicon monolithic bipolar IC providing Dolby noise reduction system* , 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.
The HA12227F is not built-in Dolby B-NR.
1 Functions • Dolby B-NR* • Music sensor • Pass amp.
2 × 2 channel × 2 channel × 1 channel × 2 channel • REC equalizer • Each electronic control switch to change REC equalizer, bias, etc.
Note: 2.
The HA12227F is not built-in Dolby B-NR.
Features • REC equalizer is very small number of external parts and have 4 types of frequency characteristics built-in.
• 2 types of input for PB, 1 type of input for REC.
• 70µ - PB equalizer changing system built-in.
• Dolby NR* with dubbing double cassette decks.
Unprocessed signal output available from recording out terminals during PB mode.
2 • 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 and PB equalizer fully electronic control switching built-in.
• Available to reduce substrate-area because of high integration and small external parts.
HA12226F/HA12227F Ordering Information Operating Voltage Product HA12226F HA12227F Power Supply Range (Single Supply) 11.
0 V to 15.
0 V 9.
5 V to 15.
0 V Standard Level Product HA12226F HA12227F Package FP-56A PB-OUT Level 580 mVrms REC-OUT Level 300 mVrms Dolby Level 300 mVrms  Function Music Sensor ❍ ❍ REC / PB Selection ❍ ❍ Product HA12226F HA12227F Dolby B-NR ❍ × REC-EQ ❍ ❍ Pass Amp.
❍ ❍ ALC ❍ ❍ ...


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