mm1492 Mitsumi Electronics, Corp., mm1492 Datasheet
mm1492
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mm1492 Summary of contents
Page 1
... C bus lines (SDA, SCL) maintain high impedance during power-off. 11. Includes a tri-stated detection function 12. Includes a power-on reset function 13. Supports 2-screen and PIP TVs. Also supports an external output (monitor) pin. Package SOP-44A Applications (1) TVs (2) Other video equipment Bus Controlled 5-Input 2-Output AV Switch MM1492 May 2, 2003 ...
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... MITSUMI Block Diagram Bus Controlled 5-Input 2-Output AV Switch MM1492 ...
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... MTV-V 43 V1-L Audio input terminal 2 V1-R 4 V2 V3-L V3 STV-L STV MTV-R MTV Bus Controlled 5-Input 2-Output AV Switch MM1492 SOP-44A S2 23 V3-V 24 V3-L 25 V3-R 26 STV-V ...
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... V 2 Composite video out 23 OUT OUT R 2 Audio out terminal 24 OUT OUT OUT OUT -Video out terminal 25 OUT OUT OUT OUT Bus Controlled 5-Input 2-Output AV Switch MM1492 Functions Internal equivalet circuit diagram ...
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... Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Allowable loss Recommended Operating Conditions Item Operating temperature Operating voltage Bus Controlled 5-Input 2-Output AV Switch MM1492 Functions (Ta=25°C) Symbol Ratings T -40~+125 STG T -20~+75 OPR V max. ...
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... Output impedance C 1 OUT Voltage gain Frequency characteristics Differential gain Differential phase Input dynamic range Input impedance Output impedance Bus Controlled 5-Input 2-Output AV Switch MM1492 ( Except where noted otherwise, V Symbol Measurement conditions I No signal CC G SIN wave : 1V V1 P-P f SIN wave : 1V ...
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... Input impedance Output impedance R 2 OUT Voltage gain Frequency characteristics Total harmonic distortion Input dynamic range Output offset voltage Output impedance Bus Controlled 5-Input 2-Output AV Switch MM1492 Symbol Measurement conditions G Vn-C : SIN wave SIN wave Vn-C : SIN wave 1V ...
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... I C condition SDA t t BUR R SCL t t HD:STA LOW Bus Controlled 5-Input 2-Output AV Switch MM1492 Symbol Measurement conditions CT SG1 : 4.43MHz 1V (At mix, SG2/3 input) V1 P-P CT SG1 : 4.43MHz 1V (At mix, SG2/3 input) V2 P-P CT SG2 : 4.43MHz SG2 : 4.43MHz 1V ...
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... MITSUMI (Note.1) : Input signal symbol Vn-V=MTV-V, V1-V, V2-V,V3-V, STV-V Vn-Y=V1-Y, V2-Y Vn-C=V1-C, V2-C (Note. Test Circuit of Crosstalk * See Test Circuit 2 (Note.3) : Video inputs Vn-V, Vn-Y, and Y Measuring Circuit Measuring Circuit Bus Controlled 5-Input 2-Output AV Switch MM1492 n inputs are sync chip clamped, while Vn-C and inputs are non-clamped. IN ...
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... MITSUMI Measuring Circuit 2 (Crosstalk measurement Bus Controlled 5-Input 2-Output AV Switch MM1492 ...
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... R/W bit. Set the R/W bit to 0 when data are used control registers. As MM1492 slave address, either 90H or 92H can be selected according to the ADR terminal conditions. When ADR terminal is L, 90H is selected. The following figure indicates the control contents of control registers and switches. ...
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... S1/S2 SEL combinations in the following table. DC voltage of S1/S2 1.3V < < = 3.5V [about power on reset] MM1492 is provided with a power on reset function to reset each control register to 0 when power supply is turned on. The power on reset threshold has the hysteresis as shown in following figure Bus Controlled 5-Input 2-Output AV Switch MM1492 ...
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... Audio output 1 Mute terminal < = 1.5V (OPEN) > = 3.0V (3) Audio gain Bus Controlled 5-Input 2-Output AV Switch MM1492 OUT OUT 0 Mute Mute 1 MTV STV Mute Mute ...
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... OUT Be careful since the capacity polarity may differ according to the comb filter bias. (2) Each audio output can be set to myte by setting pin 31 to high. The mute is turned off in when pin 19 is open or low Bus Controlled 5-Input 2-Output AV Switch MM1492 is set to 4.9V. IN ...