80mW, Capless, Stereo Headphone Amplifier with Shutdown,SGM4917 Replace TPA6138.
SGM4917
SGM4917.pdf
SGM4917.pdfFEATURES
? SGM4917A: External Feedback Gain Network
SGM4917B: Fixed -2V/V Gain
? No Bulky DC-Blocking Capacitors Required
? Ground-Referenced Outputs Eliminate DC-Bias
Voltage on Headphone Ground Pin
? No Degradation of Low-Frequency Response
Due to Output Capacitors
? Differential Inputs for Enhanced Noise Cancellation
? 80mW into 32Ω Load from 5V Power Supply at
THD+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
PIN CONFIGUTION
優勢替代
