Multimedia ICs Video signal switcher BA7613N / BA7613F The BA7613N 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. Sync-tip clamp inputs make this an ideal switch for video signals. Applications •Video cassette recorders and televisions •1)Features 3-input / 1-output switches. 2) 3) 4) 5) 6) Low power consumption (100mW 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). Built-in 6dB amplifier and 75Ω driver. Built-in mute. Sync-tip clamp inputs. Wide operating supply voltage range (4.5V ~ 13.0V, BA7613N) (4.5V ~ 9.5V, BA7613F). •Block diagram BA7613N BA7613F IN1 1 MUTE 8 VOUT MUTE 6dB Amp 75Ω Driver CTLA 2 CTLB 3 LOGIC IN2 GND 6 7 8 VOUT 5 VCC 4 IN3 3 CTLB IN1 2 CTLA IN2 1 4 6dB LOGIC 75Ω 7 VCC 6 IN3 5 GND •Truth table CTL A CTL B OUT L (OPEN) L (OPEN) IN 1 L (OPEN) H IN 2 H L (OPEN) IN 3 H H MUTE 1 Multimedia ICs BA7613N / BA7613F •Absolute maximum ratings (Ta = 25°C) Parameter Symbol Limits Power supply voltage VCC ∗113.5 / ∗210.0 Unit V Power dissipation Pd ∗1900∗3 / ∗2550∗4 mW Operating temperature Topr – 25 ~ + 75 °C Storage temperature Tstg – 55 ~ + 125 °C ∗1 BA7613N. ∗2 BA7613F. ∗3 Reduced by 9.0mW 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. •Equivalent circuits OUTPUT CLAMP INPUT VCC VCC 32 100 OUT IN Output impedance: 32Ω [Typ.] 1.2µA 100µA CTLA / CTLB VCC 20k 100 50k CTLA / CTLB 34k 2 Multimedia ICs BA7613N / BA7613F •Electrical characteristics (unless otherwise noted, Ta = 25°V and V = 5V) CC Parameter Symbol Min. Typ. Max. Operating voltage VCC Supply current ICC Maximum output level Voltage gain Interchannel crosstalk Frequency characteristic Unit Conditions 4.5 — 13.0 V — 20.0 28.5 mA Vom 3.0 3.5 — VP-P f = 1kHz, THD = 0.5% GV 5.5 6.0 6.5 dB f = 1MHz, VIN = 1.0VP-P CT — – 65 Cf – 3.0 BA7613F is Max.9.5V — — dB f = 4.43MHz, VIN = 1.0VP-P 0 1.0 dB f = 10MHz / 1MHz, VIN = 1.0VP-P CTL pin switch level A VTH-A 1.0 2.0 3.0 V — CTL pin switch level B VTH-B 1.0 2.0 3.0 V — 䊊Not designed for radiation resistance. •Measurement circuit 1000µ MUTE + 6dB Amp 75Ω Driver 43Ω V ~ 75Ω PP Logic 1 2 3 4 5 6 7 8 VCC 47µF SW1 1 1µF 50Ω ~ 1µF SW4 1 2 3 VCC 2 1µF OSC OSC ~ 1 2 1µF OSC A 0.022µF SW3 SW2 1 2 + 50Ω 1µF ~ 50Ω 1µF SW5 1 2 3 VCC Fig. 1 3 Multimedia ICs BA7613N / BA7613F •Measurement conditions Parameter Voltage gain Interchannel crosstalk Frequency characteristic CTL pin switching level Measurement method SW1 SW2 SW3 SW4 SW5 ICC 2 2 2 2 2 IN1 IN2 IN3 Vom Vom Vom 1 2 2 2 1 2 2 2 1 3 3 2 3 2 3 f = 1kHz THD = 0.5% ∗1 IN1 IN2 IN3 IN1→IN2 IN1→IN3 IN1→MUTE IN2→IN3 IN2→MUTE IN3→MUTE IN1 IN2 IN3 GV GV GV CT CT CT CT CT CT Gf Gf Gf 1 2 2 1 1 1 2 2 2 1 2 2 2 1 2 2 2 2 1 1 2 2 1 2 2 2 1 2 2 2 2 2 1 2 2 1 3 3 2 3 2 2 2 2 2 3 3 2 3 2 3 2 3 2 3 2 2 3 2 3 f = 1MHz, V = 1VP-P CTLA CTLB VTH VTH 2 2 2 1 1 2 1 3 3 1 Current dissipation Maximum output level Switch settings Symbol Ammeter ∗2 f = 4.43MHz, V = 1VP-P ∗3 f = 10MHz / f = 1MHz, V = 1VP-P ∗4 ∗5 ∗1: Connect a distortion meter to the output, and input a f = 1kHz sine wave. Adjust the input level until the output distortion is 0.5%. This output voltage at this time multiplied by 2 is the maximum output level Vom (VP-P). ∗2: Input a 1VP-P, 1MHz sine wave. The voltage gain is given by GV = 20 log (VOUT / VIN) + 6. ∗3: Input a 1VP-P, 4.43MHz sine wave. The interchannel crosstalk is given by CT = 20 log (VOUT / VIN). ∗4: Input 1VP-P, 1MHz and 10MHz sine waves. The frequency characteristic is given by Gf = 20 log (VOUT (f = 10MHz) / VOUT (f = 1MHz)). ∗5: Input a 1VP-P, 1MHz sine wave. Reduce the CTL pin voltage from VCC. The CTL pin switching level (VTH) is the CTL pin voltage at which the VOUT level drops below 20mVP-P. •Electrical characteristic curves 20 VCC = 12V 4 VCC = 9V 3 2 VCC = 5V 1 0 CROSSTALK: CT (dB) 4 VOLTAGE GAIN: Cf (dB) OUTPUT VOLTAGE: VOUT (VP-P) 5 2 0 –2 1 2 3 4 5 100k 300k 1M 3M 10M 30M INPUT VOLTAGE: VIN (VP-P) FREQUENCY: f (Hz) Fig. 2 VIN vs. VOUT (f = 1kHz) Fig. 3 Frequency characteristics notes •TheOperation output impedance is approximately 32Ω. Therefore, to ensure output matching, connect an external resistor of 43Ω. 4 – 40 – 60 –4 0 0 – 20 100M – 80 100k 300k 1M 3M 10M 30M FREQUENCY: f (Hz) Fig. 4 Interchannel crosstalk 100M Multimedia ICs BA7613N / BA7613F •External dimensions (Units: mm) BA7613N BA7613F 5.0 ± 0.2 8 5 1 4 0.15 ± 0.1 4.4 ± 0.2 6.2 ± 0.3 1.2 0.6 0.8 1.3 0.3 ± 0.1 1.5 ± 0.1 2.54 0.11 5.8 ± 0.2 2.8 ± 0.2 8 1 3.5 ± 0.5 10.5 ± 0.5 19.3 ± 0.2 1.27 0.4 ± 0.1 0.3Min. 0.15 SIP8 SOP8 5