HA12217F - Hitachi Semiconductor

HA12217F Audio Signal Processor

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..

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 (MSGV).
• NR ON/OFF fully electronic control switching built-in. (Only HA12216F series)
• Line mute (Tape radio) control switching built-in.
• Available to connect direct wi.