HA12194F Datasheet | Hitachi Semiconductor

Description HA12192F/HA12197F/HA12212F series are silicon monolithic bipolar ICs providing Dolby noise reduction system- , music sensor, PB equalizer system in one chip. Functions - PB equalizer × 2 channel - Music sensor × 1 channel - Decode only Dolby B-NR × 2 channel Note: HA12197F series is not built in Dolby B-NR. Features - Different type of PB equalizer characteristics selection (120µ / 70µ position) 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 frequency response of music sensor by external capacitor. - NR ON/OFF fully electronic control switching built-in. (HA12192F/HA12212F series only) - Available to connect direct with MPU. - HA12192F series, HA12197F series and HA12212F available to allow mon PCB designs. - HA12212F only changes by package from HA12192F series. It is the same electrical characteristics that HA12192F series. - Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC. HA12192F/HA12197F/HA12212F Series Ordering Information Function Product HA12192F HA12197F HA12193F HA12198F HA12194F HA12199F HA12212F FP-40B 300m Vrms 450m Vrms 387.5m Vrms Package FP-28TB PB-OUT Level 300m Vrms PB-EQ ! ! ! ! ! ! ! Dolby B-NR ! MS ! ! ! ! ! ! ! 6.5V 7.2V 6.8V Operating Voltage Min 6.5V Max 15V × ! × ! × ! Note: These ICs are designed to operate on single supply. Rev.5, Jun. 1999, page 2 of 89 HA12192F/HA12197F/HA12212F Series Pin Description and Equivalent Circuit (VCC = 9V, single supply, Ta = 25°C, No signal, The value in the table show typical value.) Pin No. FP-28TB 13 FP-40B 19 Pin Name MSI Note V = VCC / 2 Ri1 V 100k Ri2 VCC/2 Equivalent Circuit Description MS input - 1 Ri1 Ri2 HA12192/ 0 100k 3/4 HA12212F HA12197 HA12198 22.6k 77.4k HA12199...