BL4
CS8509E CS8509 CS 8509 E
Features
Output power-Class D mode
VDD = 8.5V, THD+N=10%
RL = 8 Ω 4.20W
RL = 4 Ω 8.50W
VDD = 5.0V, THD+N=1%
RL = 8 Ω 1.30W
RL = 4 Ω 2.65W
Output power-Class AB mode
VDD = 8.5V, THD+N=10%
RL = 8 Ω 4.00W
RL = 4 Ω 8.00W
VDD = 5.0V, THD+N=10%
RL = 8 Ω 1.50W
RL = 4 Ω 3.00W
Operating voltage range: 2.5~8.8V
Class-D structure without filtering
Up to 90% efficiency in Class D mode
High power supply rejection ratio (PSRR): -80dB at 217Hz
Fast start time (40ms)
Low quiescent current (3mA)
Low shutdown current (<0.1μA)
Overcurrent protection, short circuit protection and overheating protection
Pb-free package compliant with Rohs standard]
application
Multimedia speakers
loudspeaker