mitsumi no-adjustment sync separator mm1109 no-adjustment sync separator monolithic ic mm1109 outline this ic is the same as mm1108, a no-adjustment sync separator ic, with the addition of a composite sync output pin. features 1. low current consumption 4.4ma typ. 2. open collector output 3. built-in 3v regulator handles power supply ripple 4. built-in capacitor for vertical sync separation 5. time from vertical sync signal to h. sync output re-sync reduced (relative to lva519) 6. supports both pal and ntsc formats 7. sync separation level can be adjusted with external constants 8. includes a composite sync output pin package sip-9b (MM1109XS) applications 1. tvs 2. vcrs 3. vcrs with camera equivalent circuit diagram
mitsumi no-adjustment sync separator mm1109 pin description pin no. pin name internal equivalent circuit diagram function 1 v cc power supply voltage pin. impresses 5v. 2 sc v cc integration pin free run frequency determined by external capacitor between pin 2 and gnd, and external resistor between pin 3 and gnd. 3 v co v co input pin pin 4 output is input via external loop filter. 4 lpf phase comparator output pin. 5 gnd gnd 6 v in signal input pin inputs video signal. 7 v.sync v. sync output pin outputs vertical sync signal separated from input video signal. 8 c.sync c. sync output pin outputs composite signal separated from input video signal. 9 h.sync h. sync output pin outputs horizontal sync signal synchronized to input video signal, except for vertical feedback interval. for no signal, outputs free run frequency horizontal sync signal.
mitsumi no-adjustment sync separator mm1109 absolute maximum ratings (ta=25 c) electrical characteristics (except where noted otherwise, ta=25 c, v cc =5.0v, sw1=a, sw2=a) notes : * 1 minimum sync separation operating current measurement given sw1 : c, change vr1 from high to low, and measure current flowing on i in when tp2 output switches from high to low. * 2 signal 1 : rectangular wave signal with 0.3v amplitude and pulse width 4.7s * 3 measuring horizontal sync signal pull-in range given sw1 : a and sw2 : b, with tp1 waveform not synchronized to signal 1, adjust vr2 so that they are synchronized. next, switch sw1 to b, and measure tp1 output free run frequency. the horizontal signal pull-in range is the smaller of the measured value and the difference from 15.73khz. 4.7 s signal 1 waveform item symbol ratings units storage temperature t stg - 40~+125 c operating temperature t opr - 20~+75 c power supply voltage v cc max. 7 v allowable loss pd 1100 mw item symbol measurement measurement conditions min. typ. max. units circuit operating power supply voltage v cc v cc 4.5 5.0 5.5 v consumption current id id sw1 : b 4.4 7.0 ma minimum sync separation i sepa i in sw1 : c, vr1 : h l * 1153060 a operating current free-running frequency f o tp1 sw1 : b 14.7 15.7 16.7 khz horizontal sync signal f cap tp1 v in : signal 1, 15.73khz acquisition range sw2 : b * 2 * 3 2.1 2.7 khz h. sync pulse width t w 1 tp1 v in : signal 1, 15.73khz * 4 4.3 4.7 5.1 ? h. sync delay time t d 1 tp1 v in : signal 1, 15.73khz * 4 - 0.3 0.2 0.7 ? h. sync output voltage l v l 1 tp1 v in : signal 1, 15.73khz * 4 0.2 0.4 v h. sync output voltage h v h 1 tp1 v in : signal 1, 15.73khz * 4 4.8 5.0 v v. sync pulse width t w 2 tp2 v in : staircase wave 1v p - p * 5 140 200 260 ? v. sync delay time t d 2 tp2 v in : staircase wave 1v p - p * 5 6.0 10.0 20.0 ? v. sync output voltage l v l 2 tp2 v in : staircase wave 1v p - p * 5 0.2 0.4 v v. sync output voltage h v h 2 tp2 v in : staircase wave 1v p - p * 5 4.8 5.0 v c. sync pulse width t w 3 tp3 v in : staircase wave 1v p - p * 6 4.0 4.4 4.8 ? c. sync delay time t d 3 tp3 v in : staircase wave 1v p - p * 6 0.3 0.6 0.9 ? c. sync output voltage l v l 3 tp3 v in : staircase wave 1v p - p * 6 0.2 0.4 v c. sync output voltage h v h 3 tp3 v in : staircase wave 1v p - p * 6 4.8 5.0 v
mitsumi no-adjustment sync separator mm1109 * 4 h. sync measurement * 5 v. sync measurement * 6 c. sync measurement t w 1 t d 1 v h 1 v l 1 signal 1 tp1 waveform t w 2 t d 2 v h 2 v l 2 input video signal (horizontal sync signal portion) tp2 waveform t w 3 t d 3 v h 3 v l 3 input video signal (horizontal sync signal portion) tp3 waveform measuring circuit
mitsumi no-adjustment sync separator mm1109 application circuits application circuit 1 application circuit 2
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