TEA0665

INTEGRATED CIRCUITS DATA SHEET w w wProduct specification . D File under Integrated Circuits, IC01 at aS he et 4U .c om May 1992 www.DataSheet4U.com TEA0665 TEA0665T Dolby B and C type noise reduction circuit Philips Semiconductors Product specification Dolby B and C type noise reduction circuit GENERAL DESCRIPTION TEA0665 TEA0665T The TEA0665 is designed for use in Dolby(1) B and Dolby C type audio Noise Reduction (NR) systems. The device provides the high and low level stages for one channel of a Dolby C-type NR system, including NR ON/OFF switching and all electronic switching necessary for Dolby C-type systems. In addition the TEA0665 includes a preamplifier for the record and playback functions and a multiplex buffer amplifier. The circuit offers two different line-output levels (−6 and 0 dBm) and a low-pass filter, which can be fed into the signal path in playback mode. Features Few external components required Included RECORD/PLAY preamplifiers plus multiplex filter buffer amplifier Two different line-output levels All electronic switching PACKAGE OUTLINES TEA0665: 28-lead DIL; plastic (SOT117); SOT117-1; 1996 September 9. TEA0665T: 28-lead mini-pack; plastic (SO28; SOT136A); SOT136-1; 1996 September 9. (1) Available only to licensees of Dolby Laboratories Licensing Corporation, San Francisco, CA94111 U.S.A., from whom licensing and application information must be obtained. Dolby is a registered trademark of Dolby Laboratories Licensing Corporation....