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BA7652AF 데이터시트(PDF) 1 Page - Rohm |
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BA7652AF 데이터시트(HTML) 1 Page - Rohm |
1 / 6 page 1 Multimedia ICs Video signal swither, 1 × 3-channel with clamped-input BA7652AF The BA7652AF is a video-signal switching IC that contains a three-channel clamped-input multiplexer and a built-in mute circuit. The inputs are sync-tip clamped (synchronous edge of the video input signals are aligned to the same voltage), and as the input impedance is extremely large, it is possible to use a small value for the clamp capacitor. [The recommended capacitor is 0.01 µF (FZ) ceramic]. •Applications Video cassette recorders and camcorders •Features 1) Small clamp capacitors can be used (ceramic, 3000pF (Min.), 0.01 µF (FZ) (recommended)). 2) Low supply voltage operation possible. Supply volt- age range is 3.7V to 7.7V. 3) Superimposition used for fast switching speed with low switching noise (70ns. Typ.). 4) Low power consumption (when VCC = 5V, 25mW Typ.). 5) Wide dynamic range (3.1VP-P Typ. for VCC = 5V). 6) Mute function. 7) Excellent frequency characteristics (10MHz, 0dB Typ.). 8) Low interchannel crosstalk ( – 70dB Typ.). 9) Voltage can be applied to the control pins even when VCC is not applied. •Absolute maximum ratings (Ta = 25°C) Parameter Symbol Limits Unit VCC 9V mW °C °C 500∗ Pd Topr Tstg – 25 ~ + 75 – 55 ~ + 125 Applied voltage Power dissipation Operating temperature Storage temperature ∗ When mounted on a 50mm × 50mm board, reduced by 5.0mW for each increase in Ta of 1°C over 25°C. •Recommended operating conditions (Ta = 25°C) Parameter Symbol Limits Unit VCC 4.0 ~ 7.0 V Recommended operating voltage |
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