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