MM1311

MITSUMI I2C BUS Control 4-Input 1-Output AV Switch MM1311 I2C BUS Control 4-Input 1-Output AV Switch Monolithic IC MM1311 Outline This IC is a 4-input 1-output AV switch with I2C control, developed for use in televisions. Features 1. Serial control by I2C BUS. 2. 4 inputs, 1 output. 3. Video and audio system switches can be controlled independently. 4. 6 dB amplifier built in to video system. 5. Built-in Y/C MIX circuit. 6. Slave address can be changed : 90H or 92H. 7. Audio muting possible by external pin. 8. Maintains high impedance even when I2C BUS line (SDA, SCL) power supply is off. 9. Built-in 3 value discrimination function. 10. On-chip power ON reset function. 11. Two types of audio input impedance : 60kΩ and 30kΩ. MM1311AD : 60kΩ MM1311BD : 30kΩ Package SDIP-32A (MM1311AD, MM1311BD) Applications 1. Television 2. Other video equipment MITSUMI I2C BUS Control 4-Input 1-Output AV Switch MM1311 Equivalent Block Diagram MITSUMI I2C BUS Control 4-Input 1-Output AV Switch MM1311 Pin Description Pin No. 31 1 7 13 3 9 22 5 11 20 Name MTV-V V1-V V2-V V3-V V1-Y V2-Y YIN V1-C V2-C CIN BIAS 24 23 LOUT ROUT Internal equivalent circuit diagram Pin No. 27 29 Name YOUT COUT Internal equivalent circuit diagram 26 32 2 8 14 30 4 10 15 25 MTV-L V1-L V2-L V3-L MTV-R V1-R V2-R V3-R VOUT 17 SDA 18 SCL 6 12 16 19 S1 S2 ADR Mute Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Allowable power dissipation (Ta=25°C) Symbol TSTG TO...