NE650

NE650 Dolby B-Type Noise Reduction Circuit Product Specification DESCRIPTION The NE650 is a monolithic audio noise reduction circuit designed for use in Dolby™B-Type noise reduction systems. The NE650 is used to reduce the level of background noise introduced during recording and playback of audio signals on magnetic tape. The NE650 features excellent dynamic characteristics over a wide range of operating conditions and is pin-compatible with NE645/646. This circuit is available only to licensees of Dolby Laboratories Licensing Corp., San Francisco. Dolby is a trademark of Dolby Laboratories Licensing Corporation. PIN CONFIGURATION I N Package ORDERING INFORMATION i-DESCRIPTION ~Plastic DiP I TEMPERATURE RANGE o to +70°C ORDER CODE NE650N ABSOLUTE MAXIMUM RATINGS '---. SYMBOL PARAMETER Vce Supply voltage I TA TSTG Temperature range Operating ambient Storage TSOLD Lead soldering temperature (10 sec. max) BLOCK DIAGRAM RA;:NG~. r":'T I o to + 70 -65 to + 150 +300 °...