FEATURES
D Designed for Analog and Digital Wireless Handsets, Voice-Enabled Terminals, and Telecommunications APPLICATIONS
D 2.7-V to 3.3-V Operation D Selectable 13-Bit Linear or 8-Bit A-Law Companded Conversion D Differential Microphone Input With External Gain Setting D Differential Earphone Output Capable of Driving a 32-Ω to 8-Ω Load D Programmable Volume Control in Linear Mode D Microphone (MIC) and Earphone (EAR) Mute Functions D Typical Power Dissipation of 0.03 mW in Power-Down Mode D 2.048-MHz Master Clock Rate D 300-Hz to 3.4-kHz Passband D Low Profile 20-Terminal TSSOP Packaging APPLICATIONS
D Digital Handset D Digital Headset D Cordless Phones D Digital PABX D Digital Voice Recording DESCRIPTION
PW PACKAGE (TOP VIEW) MICMUTE 1 RESET 2 VSS 3 EARVSS 4 EAROUT+ 5 EARVDD 6 EAROUT− 7 EARVSS 8 MICGAIN+ 9 MICIN− 10 20 EARMUTE 19 MCLK 18 PCMSYNC 17 PCMO 16 PCMI 15 DVSS 14 DVDD 13 LINSEL 12 MICGAIN − 11 MICIN+ This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields.
Texas Instruments
