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| MITSUMI 2-Input 2-Output Video Switch MM1120 2-Input 2-Output Video Switch Monolithic IC MM1120 Outline This is a 2-input, 2-output 3-circuit high performance video switch IC for video/audio signal switching. It is ideal for use in TV/BS switching. Features 1. 2. 3. 4. 5. 6. 1 video signal circuit, 2 audio signal circuits 1 built-in 75 driver circuit Current consumption 17mA typ. Operating power supply voltage range 9~12V Frequency response 10MHz (VOUT1), 7MHz (VOUT2) Crosstalk Video signal circuit : 60dB (at 4.43MHz) Audio signal circuit : 80dB (at 1kHz) Package SSOP-16A (MM1120XF) Applications 1. TV with built-in BS Block Diagram Control input truth table SW1 L L H H SW2 L H L H OUT1 IN2 IN2 IN1 IN1 OUT1 IN2 IN2 IN2 IN1 MITSUMI 2-Input 2-Output Video Switch MM1120 Pin Description Pin no. 1 3 Pin name VIN Function Video input Internal equivalent circuit diagram 2 9 SW Switch 4 5 6 7 8 GND RIN and LIN Ground Audio input 10 11 12 13 ROUT and LOUT Audio output 14 VOUT1 Video output 1 MITSUMI 2-Input 2-Output Video Switch MM1120 15 VOUT2 Video output 2 16 VCC Power supply Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Allowable loss (Ta=25C) Symbol TSTG TOPR VCC max. Pd Ratings -40~+125 -20~+75 15 500 Units C C V mW Electrical Characteristics Item Operating power supply voltage (Except where noted otherwise, Ta=25C, VCC=8V~13V, V1=0V, V2=0V, SG-1, SG-2, SG-3, no signal) Measurement pin VCC Symbol Measurement conditions Min. Typ. Max. Units 8.00 16.0 17.0 -0.5 -1.0 0 0 0 0 5.5 -1.0 6.0 0 0 0 -0.5 0 0.01 3 0 0.01 3 13.0 21.0 22.0 0.5 1.0 3 3 6.5 1.0 3 3 0.5 0.1 50 0.5 0.1 50 V mA mA dB dB % deg dB dB % deg dB % Vrms dB % Vrms VCC ICC1 VCC=9V Consumption current ICC2 VCC=12V VIN1-VOUT1 V1=V2=VCC, SW1 : B, VIN2-VOUT1, SW1 : A Voltage gain GV1 SG1 : Sine wave 1VP-P, 0.1MHz TP2 SG1 : Sweep signal 1.0VP-P Frequency characteristic FC1 10MHz/0.1MHz SG1: Staircase wave 1VP-P Differential gain DG1 APL=10, 50, 90% TP8 SG1: Staircase wave 1VP-P Differential phase DP1 APL=10, 50, 90% VIN2-VOUT2 SW1 : A, VIN1-VOUT2 V1=V2=VCC, SW1 : B SG1 : Sine wave 1VP-P, 0.1MHz Voltage gain GV2 TP1 SG1 : Sweep signal 1.0VP-P, Frequency characteristic FC2 7MHz/0.1MHz SG1 : Staircase wave 1VP-P Differential gain DG2 APL=10, 50, 90% TP7 SG1 : Staircase wave 1VP-P Differential phase DP2 APL=10, 50, 90% RIN1-ROUT1 V1=V2=VCC, SW2 : B, RIN2-ROUT1 SW2 : A SG2 : Sine wave 2.5VP-P, 1kHz Voltage gain GV3 Total harmonic distortion THD1 TP4 SG2 : Sine wave 2.5VP-P, 1kHz 15kHz band Output noise voltage VN1 RIN2-ROUT2 SW2 : A, RIN1-ROUT2 V1=V2=VCC, SW2 : B Voltage gain GV4 SG2 : Sine wave 2.5VP-P, 1kHz TP3 SSG2 : Sine wave 2.5VP-P, 1kHz Total harmonic distortion THD2 Output noise voltage VN2 15kHz band -0.5 MITSUMI 2-Input 2-Output Video Switch MM1120 LIN1-LOUT1 V1=V2=VCC, SW3 : B, LIN2-LOUT1 SW3 : A SG3 : Sine wave 2.5VP-P, 1kHz -0.5 Voltage gain GV5 TP6 SG3 : Sine wave 2.5VP-P, 1kHz Total harmonic distortion THD3 Output noise voltage VN3 15kHz band LIN2-LOUT2 SW3 : A, LIN1-LOUT2 V1=V2=VCC, SW3 : B SG3 : Sine wave 2.5VP-P, 1kHz -0.5 Voltage gain GV6 Total harmonic distortion THD4 TP5 SG3 : Sine wave 2.5VP-P, 1kHz 15kHz band Output noise voltage VN4 Output offset voltage VOUT1 Voff1 TP2 DC level difference when V1=0V and V1=Vcc VOUT2 Voff2 TP1 DC level difference when V2=0V and V2=Vcc Voff3 TP4 DC level difference when V1=0V and V1=Vcc ROUT1 Voff4 TP3 DC level difference when V2=0V and V2=Vcc ROUT2 LOUT1 Voff5 TP6 DC level difference when V1=0V and V1=Vcc Voff6 TP5 DC level difference when V2=0V and V2=Vcc LOUT2 Input impedance Ri1 VIN1 and VIN2 VIN Ri2 RIN1 and RIN2 RIN LIN Ri3 LIN1 and LIN2 Output impedance Ro1 VOUT1 ROUT Ro2 ROUT1 and ROUT2 LOUT R03 LOUT2 and LOUT2 Crosstalk 1 SG1 : Sine wave 1VP-P, 4.43MHz 1 V1=VH, V2=VL, SW1 : B CT1 TP7 2 V1=V2=VH, SW1 : A VIN VOUT SG1 : Sine wave 1VP-P, 4.43MHz 1 V1=VL, V2=VH, SW1 : B CT2 TP2 2 V1=VH, V2=VL, SW1 : A SG2 : Sine wave 2.5VP-P, 1kHz 1 V1=VH, V2=VL, SW2 : B CT3 TP3 2 V1=V2=VH, SW2 : A RIN ROUT SG2 : Sine wave 2.5VP-P, 1kHz 1 V1=VL, V2=VH, SW2 : B CT4 TP4 2 V1=VH, V2=VL, SW2 : A SG3 : Sine wave 2.5VP-P, 1kHz 1 V1=VH, V2=VL, SW3 : B TP5 CT5 2 V1=V2=VH, SW3 : A LIN LOUT SG3 : Sine wave 2.5VP-P, 1kHz 1 V1=VL, V2=VH, SW3 : B CT6 TP6 2 V1=VH, V2=VL, SW3 : A SG1 : Sine wave 1VP-P, 4.43MHz VIN1 ROUT2 CT7 TP3 1 V1=VH, V2=VL, SW1 : B Switch input voltage Switch input voltage H VIH IC internal switch H level 2.1 Switch input voltage L VIL IC internal switch L level 0 0.01 3 0 0.01 3 0 0 0 0 0 0 15 68 68 50 100 100 -60 -60 -80 -80 -80 -80 -55 0.5 0.1 50 0.5 0.1 50 15 30 15 15 15 15 dB % Vrms dB % Vrms mV mV mV mV mV mV k k k * -50 -50 -70 -70 -70 -70 -45 dB dB dB dB dB dB dB V V 0.7 *1 Crosstalk VH=2.1V, VL=0.7V CT is obtained by the following formula given input signal is VIN and output signal is VOUT VOUT CT=20log [dB] VIN MITSUMI 2-Input 2-Output Video Switch MM1120 Measuring Circuit |
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