BA7602F

Multimedia ICs Video signal switcher BA7602 / BA7602F The BA7602 and BA7602F are switching ICs developed for use in VCRs. Each contains three two-channel analog multiplexers. They feature a large dynamic range, and wide operating frequency range, and are suitable for switching audio and video signals. Applications Video cassette recorders and televisions Features 1) Three 2-input / 1-output switches. 2) 5V power supply. 3) Low power consumption (70mW Typ.). 4) Excellent frequency characteristics (10MHz, 0dB Typ.). 5) Wide dynamic range (3.1VP-P Typ.). 6) High input impedance (20kΩ Typ.). 7) Fast switching speed (50ns Typ.). Block diagram IN2a CTLa OUTa GND OUTb OUTc CTLc IN2c 1 2 3 4 5 6 Sc Sb Sa 16 IN1a 15 GND 14 IN2b 13 VCC 12 CTLb 11 IN1b 10 GND 9 IN1c CTL L H Output IN2 IN1 7 8 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 mV °C °C ∗ Reduced by 5.0mW for each increase in Ta of 1°C over 25°C. 1 Multimedia ICs BA7602 / BA7602F Equivalent circuits Sa, Sb, Sc IN VCC R3 8.4k I2 0.3mA Q5 R6 20k R7 100 Q9 Q6 R12 200 R16 200 R4 200 R2 9.4k Q4 R9 200 Q7 Q8 Q10 Q11 R15 200 Q3 R10 100 Q2 Q12 Q1 OUT R1 1k R5 33k R8 25k I1 0.6mA I3 0.5mA 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 2 Q3 2 Q5 Q2 Q4 R5 25k I1 0.25mA R3 400 R4 400 I3 0.06mA 2 Multimedia IC...