3.2 Features
• CMOS Technology
• High Efficiency 85%
• High PSRR 70 dB at 217 Hz
• Differential OP-amp Input
• AZAD2102B provides Vibration-Spectrum Modulation clock for reduce EMI
• Provide Mute function (set Mute_B to GND will go into Mute status)
• For the input stage AZAD2102B built-in a 10Kohm resistors (Gain
setting = 29.5 dB)
• Maximum Battery Life and Minimum Heat
• Efficiency With an 8 Ω
Speaker:
• 3.5 mA Quiescent Current
• Output Power at 10% THD
• 2.85 Watts at AVdd = DVdd = 5.0 Volt, Rload = 4 Ω
• 1.45 Watts at AVdd = DVdd = 3.6 Volt, Rload = 4Ω
• 0.30 Watts at AVdd = DVdd = 3.0 Volt, Rload = 4Ω
• 1.75 Watts at AVdd = DVdd = 5.5 Volt, Rload = 8Ω
• 0.87 Watts at AVdd = DVdd = 3.6 Volt, Rload = 8Ω
• 0.41 Watts at AVdd = DVdd = 3.0 Volt, Rload = 8Ω
• Eliminate Power on and Power-off “Pop” noise
• A fewer external components
• Optimized PWM output stage eliminates LC output filter
• Internally generate 290 kHz switching frequency to eliminate capacitor and resistor
• Improve PSRR (–70 dB) and wide supply voltage (3.0 V to 5.5 V)
•
Fully differential design reduces RF rectification
• This chip has been built-in a very strong ESD protection.
• System level ESD 4 KV (IEC 61000-4-2 ESD Contact Level)
• Wafer chip scale package (WCSP)
•
TSSOP package with exposed pad