Description
TheTDA2822 is a dual-channel, single-chip power amplifier integrated circuit developed by StMICROelectronics. It is commonly used as an audio amplifier in portable cassette players, cassette recorders, and multimedia active speakers. It has the characteristics of simple circuit, good sound quality, wide voltage range and so on. It can work in the circuit form of stereo sound and bridge amplification (BTL).
Pin Number |
Pin Name |
Description |
1, 3 |
Output |
Provides the amplified Audio output |
5, 8 |
Inverting Input (IN-) |
The Inverting Pin of an amplifier is normally grounded |
6, 7 |
Non-Inverting Input (IN+) |
The Non-Inverting pin is provided with the audio signal |
4 |
Vcc- |
Connected to the negative supply rail |
2 |
Vcc+ |
Connected to Positive Supply Rail |
Features
- Supply Voltage: 3-15V
- Output Power: 3.2 W
- Audio – Load Impedance: 8 Ohms
- Gain: 39 dB
- Operating Supply Current: 12 mA
- Ib – Input Bias Current: 0.1 uA
- PSRR – Power Supply Rejection Ratio: 40 dB
- Package: SOP-8
Package includes: 1×TDA2822 SOP-8 SMD IC