Product Summary

The TDA1307 is a High-performance bitstream digital filter employing bitstream conversion technology, which has been designed for use in premium performance digital audio applications. Audio data is input to the TDA1307 through its multiple-format interface. Any of the four formats (I2S, Sony 16, 18 or 20-bit) are acceptable. By using a highly accurate audio data processing structure, including 8 times oversampling digital filtering and up to 4th order noise shaping, a high quality bitstream is produced which, when used in the recommended combination with the TDA1307 bitstream DAC, provides the optimum in dynamic range and signal-to-noise performance.

Parametrics

TDA1307 absolute maximum ratings: (1)supply voltages: -0.5 to +6.5 V; (2)VI maximum input voltage: -0.5 to VDD + 0.5 V; (3)IIK DC clamp input diode current: ±10 mA; (4)IOK DC output clamp diode current: ±20 mA; (5)IO DC output source or sink current: ±20 mA; (6)IDD, ISS DC VDD or GND current per supply pin: ±50 mA; (7)PO, cell power dissipation per output: 50 mA; (8)Tstg storage temperature: -55 to +150 °C; (9)Tamb operating ambient temperature: -20 to +70 °C.

Features

TDA1307 features: (1)Multiple format inputs: I2S, Sony 16, 18 and 20-bit; (2)8-sample interpolation error concealment; (3)Digital mute, attenuation -12 dB; (4)Digital audio output function (biphase-mark encoded)according to IEC 958; (5)Digital silence detection (output); (6)Digital de-emphasis (selectable, FS-programmable); (7)8 × oversampling finite impulse response (FIR)filter; (8)DC-cancelling filter (selectable); (9)Peak detection (continuous)and read-out to microprocessor; (10)Fade function: sophisticated volume control; (11)Selectable 3rd/4th order noise shaping; (12)Selectable dither generation and automatic scaling; (13)Dedicated TDA1547 1-bit output.

Diagrams

TDA1307 block diagram 

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