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BA7612F Dataheets PDF



Part Number BA7612F
Manufacturers Rohm
Logo Rohm
Description Video signal switcher
Datasheet BA7612F DatasheetBA7612F Datasheet (PDF)

Multimedia ICs Video signal switcher BA7612N / BA7612F The BA7612N and BA7613F are three-channel analog multiplexers with built-in mute, 6dB amplifier and 75Ω driver. The ICs designed for use in video cassette recorders, and feature a large dynamic range and wide operating frequency range. All inputs are terminated with 20kΩ (Typ.) input impedance. Applications • Video cassette recorders and televisions Features • 1) 3-input / 1-output switches. 2) 3) 4) 5) Built-in 6dB amplifier and 75Ω drive.

  BA7612F   BA7612F



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Multimedia ICs Video signal switcher BA7612N / BA7612F The BA7612N and BA7613F are three-channel analog multiplexers with built-in mute, 6dB amplifier and 75Ω driver. The ICs designed for use in video cassette recorders, and feature a large dynamic range and wide operating frequency range. All inputs are terminated with 20kΩ (Typ.) input impedance. Applications • Video cassette recorders and televisions Features • 1) 3-input / 1-output switches. 2) 3) 4) 5) Built-in 6dB amplifier and 75Ω driver. Built-in mute. Large input impedance (20kΩ Typ.). Wide operating supply voltage range (4.5V ~ 13.0V BA7612N) (4.5V ~ 9.5V BA7613F). 6) Low power dissipation (103mW Typ.). 7) Excellent frequency characteristics (10MHz, 0dB Typ.). 8) Wide dynamic range (3.5VP-P Typ.). 9) Low interchannel crosstalk ( – 65dB Typ., f = 4.43MHz). •Block diagram BA7612N MUTE 6dB Amp 75Ω Driver CTLA 2 BA7612F IN1 1 MUTE 6dB 75Ω 8 VOUT 7 VCC LOGIC CTLB 3 LOGIC 6 IN3 IN2 4 5 GND 1 IN1 2 CTLA 3 CTLB 4 IN2 5 GND 6 IN3 7 VCC 8 VOUT •Truth table CTL A L (OPEN) L (OPEN) H H CTL B L (OPEN) H L (OPEN) H OUT IN1 IN2 IN3 MUTE 1 Multimedia ICs BA7612N / BA7612F •Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits ∗113.5 / ∗210.0 ∗1900∗3 / ∗2550∗4 Unit V mW °C °C – 25 ~ + 75 – 55 ~ + 125 ∗1 BA7612N ∗2 BA7612F ∗3 Reduced by 9mW for each increase in Ta of 1°C over 25°C. ∗4 Reduced by 5.5mW for each increase in Ta of 1°C over 25°C. •Electrical characteristics (unless otherwise noted, Ta = 25°C and V Parameter Operating voltage range Supply current Maximum output level Voltage gain Interchannel crosstalk Frequency characteristic Input impedance CTL pin switching level A CTL pin switching level B ᭺Not designed for radiation resistance. CC = 5V) Conditions BA7612F is Max.9.5V Symbol VCC ICC Vom GV CT Cf ZIN VTH-A VTH-B Min. 4.5 — 3.0 5.5 — – 3.0 14 1.0 1.0 Typ. — 20.5 3.5 6.0 – 65 0 20 2.0 2.0 Max. 13.0 29.0 — 6.5 — 1.0 26 3.0 3.0 Unit V mA VP-P dB dB dB kΩ V V f = 1kHz, THD = 0.5% f = 1MHz, VIN = 1.0VP-P f = 4.43MHz, VIN = 1.0VP-P f = 10MHz / 1MHz, VIN = 1.0VP-P 2 Multimedia ICs BA7612N / BA7612F •Measurement circuit MUTE 6dB Amp 75 Ω Driver 1000µ + 43 75 V ~ PP Logic 1 2 3 4 5 6 7 8 VCC A 47µF + 0.022µF SW1 1 2 1 SW2 2 1 SW3 2 1µF OSC OSC 1µF OSC 1µF ~ 50Ω 1µF ~ SW4 SW5 1 2 3 50Ω 1µF ~ 50Ω 1µF 1 2 3 VCC VCC Fig. 1 3 Multimedia ICs BA7612N / BA7612F •Measurement conditions Parameter Current dissipation Maximum output level Voltage gain IN1 IN2 IN3 IN1 IN2 IN3 IN1→IN2 IN1→IN3 IN1→MUTE IN2→IN3 IN2→MUTE IN3→MUTE IN1 IN2 IN3 CTLa CTLb Symbol SW1 ICC Vom Vom Vom GV GV GV CT CT CT CT CT CT Gf Gf Gf VTH VTH 2 1 2 2 1 2 2 1 1 1 2 2 2 1 2 2 2 2 2 2 1 2 2 1 2 2 2 2 1 1 2 2 1 2 2 1 Switch settings SW2 SW3 2 2 2 1 2 2 1 2 2 2 2 2 1 2 2 1 1 2 SW4 2 3 3 2 3 3 2 3 2 2 2 2 2 3 3 2 1 3 SW5 2 3 2 3 3 2 3 2 3 2 3 2 2 3 2 3 3 1 Measu.


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