IC, SPEAKERPHONE, ENHANCED, 20SOIC; IC Function:Enhanced Full Duplex Speaker Phone IC; Brief Features:Single-chip, Full-duplex, Hands-free Operation, Programmable Attenuation During Double-talk; Supply Voltage Range:4.5V to 5.5V; Operating Temperature Range:0°C to +70°C; Digital IC Case Style:SOIC; No. of Pins:20; MSL:MSL 3 - 168 hours; SVHC:No SVHC (15-Dec-2010); IC Function:Full-duplex Speakerphone IC