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TDA8722 Folha de dados(PDF) 2 Page - NXP Semiconductors |
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TDA8722 Folha de dados(HTML) 2 Page - NXP Semiconductors |
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2 / 28 page  1998 Jun 23 2 Philips Semiconductors Product specification I2C-bus programmable modulator for negative video modulation and FM sound TDA8722 FEATURES • Video amplifier with clamp and white clip circuits • FM sound modulator • Asymmetrical and symmetrical RF outputs available • Symmetrical RF oscillator using only a few external components • External adjusting of modulation depth and level of the sound subcarrier • I2C-bus receiver for frequency setting and test-mode selection • One I2C programmable output port • On-chip Phase-Locked Loop (PLL) frequency synthesizer • On-chip power supply regulator • Bus switchable oscillator • On-chip Test Pattern Signal Generator (TPSG). APPLICATIONS • Video recorders • Cable converters • Satellite receivers. GENERAL DESCRIPTION The TDA8722 is a programmable modulator which generates an RF TV channel from a baseband video signal and a baseband audio signal in the event of negative video and FM sound standards (PAL B/G, I, D/K and NTSC). It is especially suited for satellite receivers, video recorders and cable converters. The video carrier frequency is set exactly to the correct channel frequency by a PLL synthesizer which is programmed in accordance with the I2C-bus format. ORDERING INFORMATION TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA8722T SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 TDA8722M SSOP20 plastic shrink small outline package; 20 leads; body width 4.4 mm SOT266-1 |
Nº de peça semelhante - TDA8722 |
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Descrição semelhante - TDA8722 |
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