PT2301 Overview
http://.princeton..tw PT2301 PT2301 is a multi-purpose audio power amplifier IC utilizing advanced CMOS technology. PT2301 includes 2 microphone inputs and 2 stereo line inputs. PT2301 supports headphone stereo sound output and a single channel loudspeaker output terminal.
PT2301 Key Features
- 1W (8 Ω) single channel loudspeaker output + stereo headphones driver
- Digital volume control (49 steps /+15dB ~ -90dB)
- 2 microphone inputs, 1 microphone output
- The output-port does not need to be connected to the AC capacitor (PT2301-A)
- Standby mode and Mute function
- Thermal shutdown protection circuit
- Energy Save function
- Extremely low (POP) noise
- Wide working voltage range: 2.7V ~ 5.5V
- Low THD: earphone < 0.07%, speaker < 0.03%