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HA12223F Datasheet(PDF) 1 Page - Hitachi Semiconductor |
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HA12223F Datasheet(HTML) 1 Page - Hitachi Semiconductor |
1 / 53 page HA12216F/HA12221F Series Audio Signal Processor for Car Deck (Decode only Dolby B type NR with PB Amp.) ADE-207-254E (Z) 6th Edition Dec. 2000 Description HA12216F/HA12221F series are silicon monolithic bipolar IC providing Dolby B type noise reduction, music sensor, PB equalizer system 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. 2. HA12221F series does not include Dolby B NR. Functions • PB equalizer × 2 channel • Music sensor × 1 channel • Dolby B NR (Only HA12216F series) × 2 channel • Line mute (Tape radio) SW × 2 channel Features • Different type of PB equalizer characteristics selection (120 µs/70 µs) is available with fully electronic control switching built-in. • Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in. • Available to change music sensing level by external resistor. • Available to change response of music sensor by external capacitor. • Music sensing level, built-in switch to change a band (MSG V). • NR ON/OFF fully electronic control switching built-in. (Only HA12216F series) • Line mute (Tape radio) control switching built-in. • Available to connect direct with MPU. • These ICs are strong for a cellular phone noise. (18 dB improvement from HA12163) |
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