Audio Amp Speaker 1-CH Mono Class-D 30-Pin WLCSP T/R

The CS35L32 is a boosted 5 V nominal mono Class-D speaker amplifier featuring Cirrus Logic’s proprietary Hybrid Class-D Architecture and combines the benefits of both linear and switching amplifier technologies. The IC’s Hybrid Class-D architecture offers best-in-class idle power consumption and low radiated emission while maintaining high output power efficiency and superior audio.

• Two-level Class G operation
• Boosted: 5 V nominal
• Bypassed: battery voltage is supplied directly
• 2.5 mA Quiescent current, monitors powered down
• 1.7 W into 8 ? (@ 10% THD+N)
• 102 dB Signal-to-noise ratio (SNR, A-weighted)
• Integrated dual LED drivers with programmable settings
• Flash/movie mode current and timer
• I²S Real-time speaker current and voltage monitorig
• Idle cchannel noise 25 µVrms (A-weighted)
• 90% Efficiency
• One differential analog input
• Speaker gain:
• 9, 12, 15 and 18 dB and mute
• Pop suppression, zero-crossing detect transitions
• VBatt: 2.8V – 5.5V
• AVDD: 1.7V – 1.9V
• Algorithm runs on external DSP
• DSP can be embedded within application processor
• All required monitoring circuitry is integrated into CS35L32
• Integrated ADC for reporting of Battery voltage through I²C
• Interrupt pin for system level fault handling
• 30-ball WLCSP