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ADC Touch Screen Controller DAC Speaker Amplifier Class D Amplifier USB Power Wired Connectivity USB Controller AC/DC Adaptor Charger Battery Gas Gauge Lithium-Ion Battery Protector PC Card Switch Ultra Low Power LDO Low Noise RF LDO DC/DC Converter Processor CCD/CIS Sensor

Design Considerations

Features

TMS320C54x™ DSPs

  • 100% code-compatible with C5000 devices
  • 16-bit, fixed-point DSPs with power dissipation as low as 40 mW
  • Single and multi-core products delivering 300-532 MIPS
  • Three power-down modes
  • Integrated RAM and ROM configurations
  • Ultra-thin packaging

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

  • Integrated 4-wire touch screen controller
  • Highly programmable
  • Direct battery measurement
  • Stereo audio DAC with 48ksps sampling rate
  • SPI interface

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

Benefits

Audio Power Amplifier

  • Eliminates need for heat sink
  • Reduces board space
  • Minimizes noise
  • Excellent audio fidelity

Touch Screen Controller

  • Fully automated modes of operation
  • Controls resolution, speed, timing & averaging
  • Monitors battery voltage
  • High-quality audio playback
  • Direct serial bus connection to controller

Audio DAC

  • Flexible interface to processor
  • Simplifies system design
  • Minimizes noise

Application Notes

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Selection and Solution Guides

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Selection Guides

Tools and Software

Name Part # Company Software/Tool Type
Delfino C28343 controlCARD TMDXCNCD28343 Texas Instruments Development Boards/EVMs
Delfino C28346 DIM168 ControlCARD TMDXCNCD28346-168 Texas Instruments Development Boards/EVMs
TMS320F28335 controlCARD TMDSCNCD28335 Texas Instruments Daughter Cards

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