Block Diagram

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Design Considerations

TMS320C54x™ DSPs

Audio Power Amplifier

Efficient Class-D operation
Only three external components (TPA2005D1)
Internal gain (TPA3007D1: 12, 18, 23.6, 36dB) Independent gain control ('2005D1)
THD+N = 0.2% at 1kHz; PSRR = -73 dB ('3007D1) & -75dB ('2005D1)

Touch Screen Controller

Audio DAC

Accepts 16- to 24-bit data; Left, Right I2S Format; wide sampling frequency - 5kHz to 200kHz
Hardware controlled
THD+N = 0.02%, Typical

Audio Power Amplifier

Touch Screen Controller

Audio DAC

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