1 Features
• Powerful Class-D amplifier
– 3.2W output power @1% THD+N
– 5.5V external PVDD supply
• Best-in-class efficiency
– Up to 93.5% efficiency @ 1% TDH+N power
– 14.7mW idle channel power, noise gate off
– 5.3mW idle channel power, noise gate on
– Integrated 1.8V VDD Y-bridge
• High performance audio channel
– 4.2μV A-wt. idle channel noise, 6dBV gain
– 114.4dB Dynamic Range
– -90dB THD+N
– Low EMI performance with ERC and SSM
– < 1μs chip to chip group delay matching
• Advanced integrated features
– Signal detection high efficiency modes
– High accuracy supply voltage monitor & temp
sensor
• Ease of use features
– HW pin control or I2C based control
– Clock based power up/down
– Auto clock rate detection: 16 to 192kHz
– MCLK free operation
– Thermal and over current protection
• Power Supplies and user interface
– VDD: 1.65V to 1.95V
– IOVDD: 1.8V or 3.3V
– PVDD: 2.5V to 5.5V
– I2S/TDM: 8 channels
• 26-Pin, 0.4mm Pitch, QFN package