1 Features
• Powerful class-D amplifier
– 8.5W 1% THD+N (8Ω at 4.4V)
– 8.8W 1% THD+N (4Ω at 4.4V)
– 15V boost with 5.1A max current limit
• Best in class efficiency
– Upto 89% efficiency at system level for 8Ω load
– 19mW idle channel power in active mode
– 5.5mW idle channel power in Noise gate mode
– Integrated 1.8V Y-bridge and 33mV step class-
H
• High performance audio channel
– 4.2μV A-wt. idle channel noise
– 114dB Dynamic Range
– -90dB THDN
– Low EMI performance with ERC and SSM
– < 1μs chip to chip group delay matching
• Advanced integrated features
– Speaker Protection and Advanced Battery
Guard with integrated IV sense
– Audio tuning with EQ, DRC, DEQ
– Speaker Rattle Noise Suppression algorithm
– Signal detection high efficiency modes
– High accuracy voltage monitor & temp sensor
• Ease of use features
– 1cell, 2cell and 3cell Li-ion battery support
– Clock based power up/down
– Auto clock rate detection: 16kHz to 192kHz
– External 14V PVDD supply support
– MCLK free operation
– Thermal and over current protection
– Programmable drive strength IO buffers
• Power Supplies and user interface
– VBAT: 2.0V to 5.5V
– VDD: 1.65V to 1.95V
– IOVDD: 1.2V or 1.8V
– VBAT_SNS: 2.0V to 10.0V
– PVDD: 2.5V to 14V (Ext. PVDD mode)
– I2S/TDM: 8 channels
– I2C: 4 selectable addresses
• 48-Ball, 0.35mm Pitch, WCSP package