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BA7607 Dataheets PDF



Part Number BA7607
Manufacturers Rohm
Logo Rohm
Description Video signal switcher
Datasheet BA7607 DatasheetBA7607 Datasheet (PDF)

Multimedia ICs Video signal switcher BA7607 / BA7607F The BA7607and BA7607F are switching ICs developed for use in VCRs. Each contains three two-channel analog multiplexers. As two of the switches have sync-tip clamp inputs and the other one has non-clamped inputs these ICs are ideal for switching audio, video and chroma signals. Applications • Video cassette recorders and televisions Features • 1) Three 2-input / 1-output switches (two with sync-tip clamped inputs, the other one non-clamped). .

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Multimedia ICs Video signal switcher BA7607 / BA7607F The BA7607and BA7607F are switching ICs developed for use in VCRs. Each contains three two-channel analog multiplexers. As two of the switches have sync-tip clamp inputs and the other one has non-clamped inputs these ICs are ideal for switching audio, video and chroma signals. Applications • Video cassette recorders and televisions Features • 1) Three 2-input / 1-output switches (two with sync-tip clamped inputs, the other one non-clamped). 2) 5V power supply. 3) Low power consumption (62.5mW Typ.). 4) Excellent frequency characteristics (10MHz, 0dB Typ.). 5) Wide dynamic range (clamped input: 2.9VP-P Typ., non-clamped input: 3.0VP-P Typ.). 6) Fast switching speed (50ns Typ.). •Block diagram IN2 a CTL A OUT a GND OUT b OUT c CTL C CTL L H Output IN2 IN1 IN2 c 1 2 3 4 5 6 7 8 Sc Sb Sa 16 IN1 a 15 GND 14 IN2 b 13 VCC 12 CTL B 11 IN1 b 10 GND 9 IN1 c Sa, Sb: clamped input Sc : non-clamped input •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. 1 Multimedia ICs BA7607 / BA7607F •Equivalent circuits Sa, Sb IN VCC R3 22k Q5 R2 4k R7 100 Q9 Q6 I2 0.3mA R12 200 R16 200 R9 200 Q7 Q8 Q10 Q11 R15 200 Q3 R10 100 Q2 Q12 Q1 OUT R1 1k R8 25k I1 0.6mA R17 12k I4 0.6mA I5 1mA R11 100 R13 100 R14 100 Sc 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 2 Multimedia ICs CTL BA7607 / BA7607F 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 •Electrical characteristics (unless otherwise noted, Ta = 25°C and V Parameter Operating voltage Supply current Maximum output level 1 Maximum output level 2 Voltage gain Interchannel crosstalk Frequency characteristic Input impedance Total-harmonic distortion CTL pin switch level Symbol VCC ICC Vom Vom GV CT Gf ZIN THD VTH Min. 4.5 — 2.6 2.7 – 0.5 — –3 14 — 2.0 Typ. 5.0 12.5 2.9 3.0 0 – 65 0 20 0.007 2.5 Max. 5.5 17.0 — — 0.5 — 1 26 — 3.0 CC = 5V) Conditions — — f = 1kHz, THD = 0.5%, clamped input f = 1kHz, THD = 0.5%, non-clamped input f = 1MHz, VIN = 1VP-P f = 4.43MHz, VIN = 1VP-P 10MHz / 1MHz, VIN = 1VP-P non-clamped input f = 1kHz, 1VP-P, non-clamped input — Unit V mA VP-P VP-P dB dB dB kΩ % V Note: Refer to the measurement circuit given in Fig. 1. 3 Multimedia ICs Reference date • Pin DC voltages (reference values) Units: Vdc Pin No. 1 2 3 4 5 6 7 8 DC voltage 2.05 4.91 0.65 0 0.65 1.76 4.91 2.48 Pin No. 9 10 11 12 13 14 15 16 DC voltage 2.48 0 2.05 4.91 5.00 2.05 0 2.05 BA7607 / BA7607F Electrical characteristics Parameter Sync tip clamp level Input impedance (no clamp) Input impedance (with clamp) Output impedance Min. 0.49 — — — Typ. 0.65 20k 1.7M 30 Max. 0.80 — — — Unit Vdc Ω Ω Ω The input coupling capacitor values should be 0.1µF to 1µF. 4 Multimedia ICs BA7607 / BA7607F •Measurement circuit ~ OSC V 105 1 2 3 105 V 1 2 3 50Ω VCC ~ V 105 1 2 3 50Ω 105 223 47 / 16 VCC A S2b S3b S1b 16 15 14 13 12 11 10 9 S1a S1C 1 2 105 V OSC 3 105 1 2 VOUTa 3 4 5 6 7 8 V OSC VOUTb VOUTc V V V 1 2 105 3 105 ~ 50Ω ~ 50Ω S2a S3a S3c S2c 1 2 105 V OSC 3 105 V 50Ω 1 2 3 V 1 2 3 V OSC 1 2 105 3 105 ~ VCC VCC ~ 50Ω Fig.1 5 Multimedia ICs BA7607 / BA7607F •Measurement conditions Parameter Current dissipation IN1a IN2a IN1b IN2b IN1c IN2c IN1a IN2a IN1b IN2b IN1c IN2c IN1a IN2a IN1b IN2b IN1c IN2c IN1a IN2a IN1b IN2b IN1c IN2c CTL a CTL b CTL c IN1 c IN2 c IN1 c IN2 c Symbol S1a ICC Vom Vom Vom Vom Vom Vom GV GV GV GV GV GV CT CT CT CT CT CT Gf Gf Gf Gf Gf Gf VTH VTH VTH ZIN ZIN THD THD 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 S2a 2 2 3 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 S3a 2 2 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 1 2 2 2 2 2 2 Switch settings S1b 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 S2b 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 S3b 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 1 2 2 2 2 2 S1c 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 3 2 2 2 3 1 2 3 2 S2c 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 1 2 3 S3c 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 1 2 3 2 3 Measurement method Maximum output level f = 1kHz, THD = 0.5% Note 1 Voltage gain f = 1MHz, V = 1VP-P Note 2 Interchannel crosstalk f = 4.43MHz, V = 1VP-P Note 3 Frequency characteristic f = 10M / f = 1M, V = 1VP-P Note 4 CTL pin switching level Input impedance Total-harmonic distortion Note 5 Note 6 Note 7 Note 1: Connect a distortion meter to the output, and input a f = 1kHz sine wave. Adjust the output level until the output dis.


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