SGM4917.pdf? SGM4917A: External Feedback Gain
NetworkSGM4917B: Fixed -2V/V Gain
? No Bulky DC-Blocking Capacitors Required
? Ground-Referenced Outputs Eliminate
DC-BiasVoltage on Headphone Ground Pin
? No Degradation of Low-Frequency
ResponseDue to Output Capacitors
? Differential Inputs for Enhanced Noise Cancellation
? 80mW into 32? Load from 5V Power
Supply atTHD+N = 0.1% (TYP, per Channel)
? Low 0.02% THD+N
? High PSRR (-78dB at 217Hz)
? Integrated Click-and-Pop Suppression
? 2.7V to 5.5V Single Supply Operation
? Low Quiescent Current (2.7mA at VDD = 5V)
? Shutdown Control
? Under-Voltage Lockout Function
? -40℃ to +85℃ Operating Temperature Range
? Available in Green TQFN-3×3-16L Package
? 2.4V to 5.5V Single-Supply Operation
? High PSRR (80dB at 217Hz) Eliminates LDO
? No Bulky DC-Blocking Capacitors Required
? Ground-Referenced Outputs Eliminate
DC BiasVoltage on Headphone Ground Pin
? No Degradation of Low-Frequency
Response Dueto Output Capacitors
? Differential Inputs for Enhanced NoiseCancellation
? Adjustable Gain (MAX9722A) or
Fixed -2V/V Gain (MAX9722B)
? 130mW per Channel into 32Ω
? Low 0.009% THD+N
? Integrated Click-and-Pop Suppression
? Low Quiescent Current (5.5mA)
? Short-Circuit and Thermal-Overload Protection
? ±8kV ESD-Protected Amplifier Outputs
(HumanBody Model)
? Available in a Space-Saving 16-Pin Thin
QFN(3mm ? 3mm ? 0.8mm) Package
