Video Amplifier MM1041 MITSUMI Video Amplifier Monolithic IC MM1041 Outline This IC is a 6dB video amplifier for chroma signal amplification. The gain is fixed at 6dB, and it is used in 75Ω output circuits. Features 1. 2. 3. 4. 5. 6. Chroma signal amplification Fixed 6dB gain Built-in 75Ω driver Frequency response Current consumption Power supply voltage Package MMP-4A (MM1041XM) SIP-5A (MM1041XS) Applications 1. 2. 3. 4. TV Free-standing VCR VCR with camera Other video equipment Block Diagram MMP-4A 7MHz 4mA typ. 5V Video Amplifier MM1041 MITSUMI SIP-5A Pin Description Pin no. 4 3 1 SIP-5A 1 1 Output 2 5 VCC 3 4 Input 4 2 GND 2 MMP-4A Absolute Maximum Ratings Pin name MMP-4A (Ta=25°C) Item Symbol Ratings Units Storage temperature TSTG -40~+125 °C Operating temperature TOPR -20~+75 °C Power supply voltage VCC max. 7 V Allowable loss PD 200 mW Video Amplifier MM1041 MITSUMI Electrical Characteristics (Except where noted otherwise, Ta=25°C, VCC=5.0V) Measurement Item Symbol Operating power supply voltage VCC VCC Consumption current Id VCC Voltage gain GV TP2 SI Sine wave, 0.9VP-P, 0.1MHz Frequency characteristic fC1 TP2 SI Sine wave, 0.9VP-P, 7MHz/0.1MHz Input impedance ZI TP1 circuit Measurement conditions Min. Typ. Max. Units 4.7 * 5.0 5.3 V 4.0 7.0 mA 5.5 6.0 6.5 dB -1 0 1 dB 10 kΩ Note : Frequency response fc Given video output for 0.9VP-P, 0.1MHz sweep signal input as V1, and output for 7MHz input as V2, fC1 is obtained as follows. V2 fC1=20LOG dB V1 Measuring Circuit MM1041XM Equivalent Circuit Diagram MM1041XS