TLC320AD81C Datasheet, PDF (10/47 Pages) Texas Instruments – Stereo Audio Digital Equalizer DC

1.1 Features
• Stereo Sigma-Delta D/A Converter
• 98-dB Signal-to-Noise Ratio (SNR) Typical
• 94-dB Dynamic Range Typical
• Optional 5-V Analog Power Supply for DAC Output (1 Vrms)
• De-Emphasis Supported at 44.1 kHz for CD Applications
• Programmable Audio Serial Port
• Dual Input Data Channels (SDIN1 and SDIN2)
• Single Digital Output Data Channel (SDOUT)
• Programmable Digital Mixer
• Programmable Multi-Band Digital Parametric EQ
• Programmable Digital Bass and Treble Control (dynamically updateable)
• Programmable Digital Volume Control (dynamically updateable)
• Serial I²C Slave Port Allows Downloading of Control Data to the Device
• Two I²C Address Pins Allow Cascading of Multiple Devices on the I²C Bus
• Supports 2 speaker, 3 speaker^†, and 6 (5.1) speaker^† systems
• Soft Mute (hardware pin control and software control)
• Single 3.3-V Power Supply Operation
• 38-Pin TSSOP Package
• External Analog-to-Digital Converter Supported
† _{Requires multiple TLC320AD81C devices}
1.2 Functional Block Diagram
DM SMUTE
CAP VREF
VOL BASS TREB Multi Band EQ
Digital
Filters
∆Σ
Modulator
DAC
OUT_L
OUT_R
TLC320AD81C
Σ
Audio Serial Interface
PLL
I2C Slave
1–2