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TSC2302IRGZ データシート(PDF) 1 Page - Burr-Brown (TI) |
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TSC2302IRGZ データシート(HTML) 1 Page - Burr-Brown (TI) |
1 / 81 page TSC2302 SLAS394 – JULY 2003 PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC FEATURES APPLICATIONS • SPI™ Serial Interface • Personal Digital Assistants • Touch Screen Controller • Cellular Phones – 4-Wire Touch Screen Interface • MP3 Players – Internal Detection of Screen Touch • Internet Appliances – Touch Pressure Measurement • Smartphones – Ratiometric Conversion – Programmable 8-, 10- or 12-Bit Resolution DESCRIPTION – Programmable Sampling Rates Up to 125 kHz The TSC2302 is a highly integrated PDA analog – Direct Battery Measurement (0 to 6 V) interface circuit. It contains a complete 12-bit A/D – On-Chip Temperature Measurement resistive touch screen converter (ADC) including – Integrated Touch Screen Processor drivers, touch pressure measurement capability, and Reduces Host CPU Interrupts and Overhead 8-bit D/A converter (DAC) output for LCD contrast – Internal Timing Control With Programmable control. The TSC2302 offers programmable resolution Delays and Averaging of 8, 10, and 12 bits and sampling rates up to 125 kHz to accommodate different screen sizes. The TSC2302 • Stereo Audio Codec interfaces to the host controller through a standard SPI – 20-Bit Delta-Sigma ADC/DAC serial interface. – Dynamic Range: 98 dB – Sampling Rate Up to 48 kHz The TSC2302 features a high-performance 20-bit, – I2S Serial Interface 48-ksps stereo audio codec with highly integrated – Stereo 16- Ω Headphone Driver analog functionality. The audio portion of the TSC2302 contains microphone input with built-in pre-amp and • Full Power-Down Control microphone bias circuit, an auxiliary stereo analog • 8-Bit Current Output DAC input, a mono line-level output, and a stereo • On-Chip Crystal Oscillator headphone amplifier output. The digital audio data is • Programmable Bass/ Midrange/ Treble EQ transferred through a standard I2S interface. A fully Effects Processing programmable PLL for generating audio clocks from a wide variety of system clocks is also included. • Single 2.7-V to 3.6-V Supply • 48-pin QFN Package The TSC2302 also offers two battery measurement inputs capable of battery voltages up to 6 V, while operating at a supply voltage of only 2.7 V. It also has an on-chip temperature sensor capable of reading 0.3 °C resolution. The TSC2302 is available in a 48-lead QFN. US Patent No. 6246394 SPI is a trademark of Motorola. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2003, Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily in- clude testing of all parameters. |
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同様の説明 - TSC2302IRGZ |
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