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BA7626F

Rohm
Part Number BA7626F
Manufacturer Rohm
Description Video signal switcher for AV amplifiers
Published Apr 1, 2005
Detailed Description Multimedia ICs Video signal switcher for AV amplifiers BA7626 / BA7626F The BA7626 and BA7626F are video signal switche...
Datasheet PDF File BA7626F PDF File

BA7626F
BA7626F

Overview
Multimedia ICs Video signal switcher for AV amplifiers BA7626 / BA7626F The BA7626 and BA7626F are video signal switches that contain two five-channel analog multiplexers for switching chroma and audio signals, and two wide-band 6dB amplifiers.
By simply adding transistor buffers to the outputs, it is possible to construct a record / playback switch for two record / playback VCRs, and three video playback machines (eg.
laser desk players).
Input switching and VCR record switching can be done independently.
The inputs are terminated with 20kΩ resistors, and are suitable for switching chroma and audio signals.
Applications • AV amplifiers (audio signals and S-pin chroma signals) and video selectors Features • 1) 5-input / 3-output switches.
2) 20kΩ input impedance.
3) Built-in 6dB amplifiers.
4) 5V supply voltage.
•Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 9 500∗ – 25 ~ +70 – 55 ~ +125 Unit V mW °C °C ∗ Reduced by 5.
0mW for each increase in Ta of 1°C over 25°C.
1 Multimedia ICs BA7626 / BA7626F •Block diagram Monitor OUT GND IN5 GND IN4 CTL E IN3 CTL D 1 2 3 4 5 6 7 logic 6dB logic 16 15 14 13 12 11 10 9 IN1 CTL A VCC VCC IN2 CTL B VOUT2 CTL C 6dB 8 •Truth table A L H L H H B L L H H H E Monitor OUT IN1 IN2 IN3 IN4 IN5 C L H L H H D L L H H H E VOUT1 — IN2 IN3 IN4 IN5 C L H L H H D L L H H H E VOUT2 IN1 — IN3 IN4 IN5 ∗ ∗ ∗ L H ∗ ∗ ∗ L H ∗ ∗ ∗ L H Note 1: ∗ indicates "don't care" (H or L).
2 Multimedia ICs BA7626 / BA7626F CC = •Equivalent input / output circuits (unless otherwise noted, Ta=25°C and V Pin No.
Pin name Standard voltage (no input signal) IN 5V) Equivalent input / output circuit VCC 3 5 7 12 16 IN5 IN4 IN3 IN2 IN1 QN 200 3.
6V 20k QN QN 4.
3V 30k 100µA CTL VCC 6 8 9 11 15 CTL E CTL D CTL C CTL B CTL A 50k 50k QN 0.
6V 2k D QP 30k VCC 17k QN3 100 1 MONOUT 2.
0V QN20 MONOUT QN2 QN QN6 VCC QN5 200µA...


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