4-Input Video Switch (no clamp) MM1053 MITSUMI 4-Input Video Switch (no clamp) Monolithic IC MM1053 Outline This IC is a 4-input, 1-output video switch developed for use in TV, VCR and other video equipment. Features 1. Operating power supply voltage range 2. Frequency response VCC=4.75V~13V 0.1MHz~10MHz (±1.0dB) Package SIP-9A Applications 1. TV 2. VCR 3. Other video equipment Block Diagram Control input truth table OUT IN1 IN2 IN3 IN4 SW1 H L H L SW2 H H L L 4-Input Video Switch (no clamp) MM1053 MITSUMI Pin Description Pin no. Pin name Function 1 OUT Output 2 SW1 Switch 1 3 SW2 Switch 2 4 IN1 Input 1 5 GND Ground 6 IN2 Input 2 Internal equivalent circuit diagram 4-Input Video Switch (no clamp) MM1053 MITSUMI 7 VCC Power supply 8 IN3 Input 3 9 IN4 Input 4 Absolute Maximum Ratings (Ta=25°C) Item Symbol Ratings Units Storage temperature TSTG -40~+125 °C Operating temperature TOPR -20~+75 °C Power supply voltage VCC 15 V Allowable loss Pd 470 mW 4-Input Video Switch (no clamp) MM1053 MITSUMI Electrical Characteristics Item (Except where noted otherwise, Ta=25°C, VCC=5.0V) Symbol Operating power supply Measurement conditions Measurement conditions Min. Typ. Max. Units VCC VCC Consumption current Id VCC Voltage gain GV TP3 Frequency characteristic FC TP3 Differential gain DG TP3 Differential phase DP TP3 Output offset voltage Voff TP2 Crosstalk CT TP3 SG : Sine wave 2VP-P, 4.43MHz Switching voltage 1 VTH1 TP4 SG : Sine wave 2VP-P Switching voltage 2 VTH2 TP5 SG : Sine wave 2VP-P Input impedance RI TP3 15 kΩ Output impedance RO TP3 15 Ω voltage range 4.75 SG : Sine wave 2VP-P, 0.1MHz 1 5.0 13.0 V 7.0 11.0 mA -0.5 0 0.5 dB -1 0 1 dB SG : Staircase wave 2VP-P, APL=10, 50, 90% 0 3 % SG : Staircase wave 2VP-P, APL=10, 50, 90% 0 3 deg 100 mV -65 -55 dB 0.7 1.4 2.1 V 0.7 1.4 2.1 V * SG : Sine wave 2VP-P 10MHz/0.1MHz 1 * *2 , 0.1MHz 3 * , 0.1MHz 3 * *1 Voltage gain G , frequency response F V C If input at TP1 for 0.1MHz sine wave input is V1, and output at TP3 is V2, and output for 10MHz input is V3, then : V2 GV=20LOG V1 FC=20LOG V3 V2 *2 Crosstalk C T If input at TP1 for 4.43MHz sine wave input is V4, and output at TP3 is V5, then : CT=20LOG V5 V4 voltage V 1, V 2 *3 Switching TP4 level is V 1 when TP4 DC level is changed by the external power supply and the output TH TH TH signal switches. TP5 level is VTH2 when TP5 DC level is changed by the external power supply and the output signal switches. 4-Input Video Switch (no clamp) MM1053 MITSUMI Switch Modes Item Symbol Consumption current Id Voltage gain Gv Frequency gain FC Differential gain DG Differential phase DP Output offset voltage Voff Crosstalk CT Switching voltage VTH1 VTH2 S1 2 1 2 2 2 1 2 2 2 1 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 1 2 1 2 1 2 2 1 1 S2 2 2 1 2 2 2 1 2 2 2 1 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 2 1 2 1 2 2 2 Switch Mode S3 S4 2 2 2 2 2 2 1 2 2 1 2 2 2 2 1 2 2 1 2 2 2 2 1 2 2 1 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 1 2 2 1 1 2 2 1 2 2 2 1 2 2 2 2 2 2 2 2 1 2 2 2 2 2 S5 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 1 1 3 3 3 1 1 1 3 3 3 2 1 S6 3 1 1 3 3 1 1 3 3 1 1 3 3 1 1 3 3 1 1 3 3 1 1 1 1 1 1 3 3 3 3 3 3 1 2 MITSUMI Measuring Circuit 4-Input Video Switch (no clamp) MM1053