TDA7448 is a 6 channel volume controller for quality audio applications in Multi-Channels Audio Systems Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and DC stepping are ob- tained.
The TDA7448 is a 6-channel volume controller designed for quality audio applications in multi-channel audio systems. It features independent volume control for six channels with a range of 0 to -79dB in 1.0dB steps. All functions are programmable via a serial bus interface.
| Supply Voltage | 4.75 to 10 V |
|---|---|
| Operating Temperature | 0 to 70 °C |
| Volume Control Range | 0 to -79dB |
| Step Resolution | 1.0dB |
| Number of Channels | 6 |
| Signal to Noise Ratio | 100 dB |
| Channel Separation | 90 dB |
| Total Harmonic Distortion | 0.01 to 0.41 % |
The volume control operates in 1.0dB steps.
All functions are programmable via a serial bus interface.
The volume attenuation range is 0 to -79dB.