TDA7440 is a volume tone (bass and treble) balance (Left/Right) processor for quality audio applications in Hi-Fi systems.
The TDA7440D is a volume, tone (bass and treble), and balance processor designed for quality audio applications in Hi-Fi systems. It features selectable input gain, programmable controls via an I2C serial bus, and independent speaker attenuators with mute functions.
| Supply Voltage (VS) | 6 to 10.2 V |
|---|---|
| Operating Ambient Temperature | 0 to 70 °C |
| Total Harmonic Distortion (THD) | 0.01% typical at 1Vrms, 1kHz |
| Signal to Noise Ratio (S/N) | 106 dB typical |
| Channel Separation | 90 dB at 1kHz |
| Volume Control Range | -47 to 0 dB in 1dB steps |
| Treble/Bass Control Range | +/- 14 dB in 2dB steps |
| Input Gain Range | 0 to 30 dB in 2dB steps |
The device uses an I2C bus interface consisting of SDA and SCL lines.
The device supports four stereo inputs via an input multiplexer.
The absolute maximum operating supply voltage is 10.5 V.