SGM4917 Description
The SGM4917 stereo headphone amplifier is designed for portable equipment where board space is at a premium. The SGM4917 uses capless Direct-drive architecture to produce a ground-referenced output from a single power supply, eliminating the need for large DC-blocking capacitors for output, and saving cost, board space, and ponent height. Additionally, for SGM4917B and SGM4917C, the gain is set internally (-2V/V or...
SGM4917 Key Features
- SGM4917A: External Feedback Gain Network SGM4917B: Fixed -2V/V Gain SGM4917C: Fixed -1.5V/V Gain
- No Bulky DC-Blocking Capacitors Required
- Ground-Referenced Outputs Eliminate DC-Bias
- No Degradation of Low-Frequency Response Due
- Differential Inputs for Enhanced Noise Cancellation
- 125mW per Channel into 32Ω Headset
- Low 0.02% THD+N
- High PSRR (78dB at 217Hz)
- Integrated Click-and-Pop Suppression
- 2.7V to 5.5V Single Supply Operation