BA7604N

Multimedia ICs Video signal switcher BA7604N The BA7604N is a switching IC developed for use in VCRs. It has two-channel analog multiplexers, and features wide dynamic range, and wide operating frequency range, and is suitable for switching audio and video signals. Applications VCRs and TVs Features 1) Two 2-input / 1-output switches. 2) 5V power supply. 3) Low power consumption (42mW Typ.). 4) Excellent frequency characteristics (10MHz, 0dB, Typ.). 5) Wide dynamic range (3.0VP-P Typ.). 6) High input impedance (20kΩ Typ.). 7) Fast switching speed (50ns Typ.). Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 9 500∗ – 40 ~ + 85 – 55 ~ + 125 Unit V mW °C °C ∗ Reduced by 5.0mW for each increase in Ta of 1°C over 25°C. Block diagram Sa Sb 1 IN1a 2 VCC 3 IN2a 4 CTLa 5 OUTa 6 OUTb 7 CTLb 8 IN2b 9 GND 10 IN1b CTL L H Output IN2 IN1 Sa, Sb: Non-clamped 1 Multimedia ICs BA7604N Equivalent circuits Sa, Sb IN VCC R3 13.6k I2 0.3mA Q5 R7 100 Q9 R12 200 R16 200 R4 200 R2 2.2k Q4 R6 20k R9 200 Q7 Q8 Q10 Q11 R15 200 Q3 R10 100 Q2 Q12 Q1 OUT R1 1k R5 33k I1 0.6mA R17 12k I4 0.6mA I5 1mA R11 100 R13 100 R14 100 CTL VCC R1 50k I2 0.6mA Q1 Q6 R6 25k R2 200 CTL Q3 Q5 Q2 Q4 R5 25k I1 0.25mA R3 400 R4 400 I3 0.06mA 2 Multimedia ICs BA7604N CC Electrical characteristics (unless otherwise noted, Ta = 25°C and V Parameter Operating volt...