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BA7644 Folha de dados(PDF) 1 Page - Rohm |
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BA7644 Folha de dados(HTML) 1 Page - Rohm |
1 / 5 page 1 Multimedia ICs Video signal switcher BA7644AN The BA7644AN is a four-channel analog multiplexer with mute, designed for use in video cassette recorders. It fea- tures a wide dynamic range, and wide operating frequency range, and is suitable for switching audio and video sig- nals. •Applications VCR, TV and audio signal switching •Features 1) 4-input / 1-output switches. 2) Built-in mute. 3) Wide operating supply voltage range (4.5V to 13.0V). 4) Low power consumption (48mW Typ.). 5) Excellent frequency characteristics (10MHz, 0dB Typ.). 6) Wide dynamic range (3.5VP-P Typ.). 7) High input impedance (20k Ω Typ.). 8) Low interchannel crosstalk ( – 65dB Typ., f = 4.43MHz). •Absolute maximum ratings (Ta = 25°C) Parameter Symbol Unit VCC 13.5 V 850∗ mW °C °C Limits Pd Topr Tstg – 25 ~ + 75 – 55 ~ + 125 Power supply voltage Power dissipation Operating temperature Storage temperature ∗ Reduced by 8.5mW for each increase in Ta of 1°C over 25°C. •Block diagram 1 2 3 4 LOGIC MUTE 5 6 7 8 9 10 •Truth table OUT L (OPEN) L (OPEN) L (OPEN) IN1 L (OPEN) H L (OPEN) IN2 H L (OPEN) L (OPEN) IN3 H H L (OPEN) IN4 ∗ ∗ HMUTE CTL - A CTL - B CTL - C ∗ Either "L (open)" or "H". |
Nº de peça semelhante - BA7644 |
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Descrição semelhante - BA7644 |
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