PT2307 - PTC

PT2307 1W Audio Power Integration Amplifier

The PT2307 is an integration audio power amplifier IC utilizing advanced CMOS technology. Supports 2 mono MIC input and 2 stereo line input, input gain of each amp can be set individually to meet customers’ needs. Built-in digital controlled volume has 32 steps from 0dB ~ -90dB, the headphone volume control has 8 steps ranging from 0dB ~ -10.5dB which can be.

Features

• 1W (8Ω) mono channel speaker output + stereo headphone driver
• Digital controlled volume
• Main volume: 32 steps/0dB ~ -90dB
• Headphone volume: 8 steps/0dB ~ -10.5dB
• 2 microphone inputs, 1 microphone output
• 2 stereo audio inputs, selected via I2C bus
• Dual headphone output mode Integrated. (PT2307-A or PT2307-B)
• Mute function
• Shutdown (power save) mode
• I2C register keeps the last status when the shutdown active
• Each section can be turn off individually for most power saving
• Over Temperature protection
• Very low pop noise when mode changed
• Wide operating voltage: 2V ~ 6V
•.