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MAX9702 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX9702 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 32 page 1.8W, Filterless, Stereo, Class D Audio Power Amplifier and DirectDrive Stereo Headphone Amplifier _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (VDD = 3.3V) (continued) (VDD = PVDD = CPVDD = SHDN = 3.3V, GND = PGND = CPGND = 0V, SYNC = VDD (SSM), speaker gain = +12dB, headphone gain = +1dB. Speaker load RL connected between OUT+ and OUT-, unless otherwise noted, RL = ∞. Headphone load RLH connected between HPR/HPL to GND. CBIAS = 1µF to GND, 1µF capacitor between C1P and C1N, CVSS = 1µF. TA = TMIN to TMAX, unless oth- erwise noted. Typical values are at TA = +25°C.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Voltage Low, SDA, SCL VINL 0.3 x VDD V Input Hysteresis, SDA, SCL VHYS 0.05 x VDD V Input Capacitance SDA, SCL CIN 10 pF Input Leakage Current, SHDN, SCL IIN ±1 µA Input Leakage Current, HPS IIN ±10 µA SYNC Input Current In play mode 25 µA HPS Pullup Resistance 600 k Ω DIGITAL OUTPUTS (SYNC_OUT) Output Voltage High VOH IOH = 3mA 2.4 V Output Voltage Low VOL IOL = 3mA 0.4 V Output Fall Time, SDA tF 300 ns ELECTRICAL CHARACTERISTICS (VDD = 5V) (VDD = PVDD = CPVDD = SHDN = 5V, GND = PGND = CPGND = 0V, SYNC = VDD (SSM), speaker gain = +12dB, headphone gain = +1dB. Speaker load RL connected between OUT+ and OUT-, unless otherwise noted, RL = ∞. Headphone load RLH connected between HPR/HPL to GND. CBIAS = 1µF to GND, 1µF capacitor between C1P and C1N, CVSS = 1µF. TA = TMIN to TMAX, unless oth- erwise noted. Typical values are at TA = +25°C.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS GENERAL HPS = GND, speaker mode 14 Quiescent Current IDD HPS = VDD, headphone mode 8 mA Hard shutdown, SHDN = GND 0.2 Shutdown Current ISHDN Soft shutdown (see I 2C section)25 µA SPEAKER AMPLIFIERS (HPS = GND) fRIPPLE = 217Hz 73 Power-Supply Rejection Ratio (Note 3) PSRR 100mVP-P ripple, VIN = 0V, TA = +25°C fRIPPLE = 20kHz 50 dB RL = 8 Ω 1100 Output Power POUT THD+N = 1%, TA = +25°C, f = 1kHz VDD = 5V RL = 4 Ω 1800 mW |
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