Product features: 1. This circuit can be used when your device is connected to the amplifier sound, suitable for audio small signal amplification
2. High fidelity front-end headphone amplifier board with low distortion, low voltage, and low power consumption
3. Equipped with a negative pressure conversion chip, the actual power supply is ± DC, and the amplification factor is about 8 times
4. The chip is MC33202, with a rail to rail dual operational amplifier and a maximum driving current of 80ma
5. There are two types of interfaces for input and output: 3.5 and Lotus. One or both interfaces can be used as needed to facilitate everyone`s adaptation to different situations
Product parameters: Chip: MC33202
Power supply voltage: DC 3-5 V (maximum cannot exceed 5.5 V, built-in negative pressure conversion chip, actual power supply is ± DC)
Maximum driving current: 80ma
Rail to rail dual operational amplifier
Magnification factor: approximately 8 times (18db)
Circuit board size: 8.3 * 4.8cm
There are two types of input and output ports: a 3.5 headphone jack and a lotus flower. You can use one or two ports according to your needs to make it convenient for everyone to adapt to different situations. The 3.5 headphone jack can enter and exit the 3.5 headphone jack; The lotus seat enters and exits; 3.5 Headphone socket in and out of lotus socket; Lotus stand in and 3.5 earphone stand out.
be careful: Audio circuits have high requirements for power supply. Please use a low ripple power supply. Poor power supply can easily cause AC noise, and the audio connection cable should be shielded.
Product List: 1X module