TLV320AIC22C

TLV320AIC22C DUAL VOICE OVER INTERNET PROTOCOL (VoIP) CODEC D Two 16-Bit Analog-to-Digital Converters (ADCs) D Two 16-Bit Digital-to-Analog Converters (DACs) D Programmable Input/Output Gain D Analog Crosspoint to Connect the Two Coders/Decoders (Codecs) to Any of the I/O Ports – Controlled Through the Serial Port or the Inter-Integrated Circuit (I2C) Bus D 8-Bit A-Law/µ-Law Companded Data or 16-Bit Linear Data Complying With G.711 Standard D Filters Comply With G.712 and G.722 Standards D Programmable Analog-to-Digital and Digital-to-Analog Conversion Rate D Typical 77-dB Signal-to-Noise + Distortion for ADC D Typical 78-dB Signal-to-Noise + Distortion for DAC SPAS041B – OCTOBER 2001 – REVISED JANUARY 2003 D Supports 8- and 16-kHz Sampling Rates D Preamplifiers for Microphone, Handset, Headset, and Speakerphone Gain Selectable Via the Serial Port or I2C Bus D 2.5-V Microphone Bias Voltage D Seamless Interface to a Single Multichannel Buffered Serial Port (McBSP) of a C54x or a C6x Digital Signal Processor (DSP) D Four TLV320AIC22C ICs Can Be Cascaded Together to Allow up to Eight Channels D 2s-Complement Data Format D Differential Outputs D Typical Low Crosstalk < –85 dB D Hardware/Software Power Down D Independent Power Down for Drivers D Single 3.3-V Supply Operation D 120-mW Typical Power Consumption D Available in 48-Terminal Low-Profile Plastic Quad Flatpack (LQFP) Package description The TLV320AIC22C contains two coders/decoders (codecs) for voice applications, inc...