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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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Flash Programming Solutions for the TMS320F28xxx DSCs (spraal3.htm, 8 KB)
19 Aug 2008
Abstract
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TMS320DM6441 Power Consumption Summary Application Report (spraau3.htm, 9 KB)
08 Apr 2008
Abstract
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