ics for vcr 1 AN3581S video output ic with character insertion interface overview the AN3581S is a video output interface driver ic. features ? 75 ? driver capable of 2-channel output (through a 75 ? resistor each) ? seperated input for component and composite signals (for luminance system) ? built-in character insertion circuit applications ? vcrs block diagram sop022-p-0375a unit: mm 1.09 0.40.25 1.27 0.3 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 7.20.3 9.40.3 0.15 0.925 2.00.2 15 .30.3 0.10.1 ee cps osd 1 vvy2 2 y- gnd 3 osdy 4 ee: h 5 eey 6 v cc 7 vvy1 8 osd 9 eec 10 c-gnd 11 22 21 20 19 18 17 16 15 14 13 12 osdc let (non-rec.) ops y-out d-gnd yc-out d-v cc c-out ack vvc 2.0 v cl cl osd s1 ee ee vv 3.3 v let 6 db ? 3.5 db ? 9.5 db 2.0 v osd m h s2 vv yc mix. osd osd osd off killer s4 vv ee cl cl let 9.5 db 0 db s5 s3 12 db through for 100ire and 50ire through for only full osd let
AN3581S ics for vcr 2 pin descriptions pin no. description 1 vvy2 input 2 gnd1 (y system) 3 osdy input 4 changeover ee-vv mode 5 eey input 6v cc1 (except driver) 7 vvy1 input 8 changeover osd mode 9 eec input 10 gnd2 (c system) 11 osdc input pin no. description 12 vvc input 13 ack mode changeover 14 c-amp. output 15 v cc2 (driver system) 16 y + c amp. ouput 17 y + c feedback input 18 gnd3 (driver system) 19 y-amp. output 20 y feedback input 21 cps mode changeover 22 let mode changeover absolute maximum ratings parameter symbol rating unit supply voltage v cc 6.0 v supply current i cc ma power dissipation * 2 p d 275 mw operating ambient temperature * 1 t opr ? 20 to + 70 c storage temperature * 1 t stg ? 55 to + 125 c note) * 1: except for the operating ambient temperature and storage temperature, all ratings are for t a = 25 c. * 2: t a = 70 c. parameter symbol range unit supply voltage v cc 4.5 to 5.5 v recommended operating range
ics for vcr AN3581S 3 parameter symbol conditions min typ max unit circuit current i 5 v cc = 5.0 v 26 (38) 50 ma vvy2 y signal gain g 19-1 input 1 v[p-p], f = 1 mhz 5.4 (5.9) 6.4 db osdy y signal gain g 19-3 input 1 v[p-p], f = 1 mhz 5.4 (5.9) 6.4 db eey y signal gain g 19-5 input 1 v[p-p], f = 1 mhz 5.4 (5.9) 6.4 db osdy yc signal gain g 16-3 input 1 v[p-p], f = 1 mhz 5.5 (6.0) 6.5 db eey yc signal gain difference ? g 16-5 input 1 v[p-p], f = 1 mhz ? 0.6 ( ? 0.2) 0.2 db vvy1 yc signal gain g 16-7 input 1 v[p-p], f = 1 mhz 5.5 (6.0) 6.5 db eec yc signal gain difference ? g 16-9 input 300 mv[p-p], f = 3.58 mhz ? 1.6 ( ? 0.8) 0.0 db eec c signal gain g 14-9 input 300 mv[p-p], f = 3.58 mhz 10.6 (11.5) 12.4 db osdc c signal gain g 14-11 input 300 mv[p-p], f = 3.58 mhz 10.6 (11.5) 12.4 db vvc c signal gain g 14-12 input 300 mv[p-p], f = 3.58 mhz 10.6 (11.5) 12.4 db vvy2 y signal frequency f 19-1 input 1 v[p-p], f = 6 mhz/1 mhz ? 0.9 (0.1) 1.1 db characteristics vvy1 yc signal frequency f 16-7 input 1 v[p-p], f = 6 mhz/1 mhz ? 1.2 ( ? 0.2) 0.8 db characteristics vvc yc signal frequency f 16-12 input 300 mv[p-p], ? 0.9 (0.1) 1.1 db characteristics f = 6 mhz/3.58 mhz vvc c signal frequency f 14-12 input 300 mv[p-p], ? 0.9 (0.1) 1.1 db characteristics f = 6 mhz/3.58 mhz eey y signal frequency r f19-5 input 1 v[p-p], f = 6 mhz, ? 0.3 (0.2) 0.7 db characteristics difference r = 75/2 eey yc signal frequency r f16-5 input 1 v[p-p], f = 6 mhz, ? 0.7 ( ? 0.2) 0.3 db characteristics difference r = 75/2 eec c signal frequency r f14-9 input 300 mv[p-p], ? 0.6 ( ? 0.1) 0.4 db characteristics difference f = 6 mhz, r = 75/2 vvy2 y out cross talk ct 19-1 ee mode, input 1 v[p-p], f = 5 mhz ? ( ? 60) ? 45 db osdy y out cross talk ct 19-3 osd lo, input 1 v[p-p], f = 5 mhz ? ( ? 60) ? 45 db eey yc out cross talk ct 16-5 vv mode , input 1 v[p-p], f = 5 mhz ? ( ? 45) ? 35 db eec yc out cross talk ct 16-9 cps hi, input 300 mv[p-p], ? ( ? 60) ? 45 db f = 3.58 mhz vvc c out cross talk ct 14-12 ee mode, input 300 mv[p-p], ? ( ? 60) ? 45 db f = 3.58 mhz eec c out cross talk ct 14-9 ack hi, input 300 mv[p-p], ? ( ? 55) ? 45 db f = 3.58 mhz eec y out cross talk ct 19-9 ee mode, input 300 mv[p-p], ? ( ? 55) ? 45 db f = 3.58 mhz eey c out cross talk ct 14-5 ee mode, input 1 v[p-p], f = 5 mhz ? ( ? 50) ? 45 db electrical characteristics at t a = 25 c note) the typical value in the parenthesis is the typical values and not the guaranteed one.
AN3581S ics for vcr 4 parameter symbol conditions min typ max unit character level (1) (100ire) dl 19-3(h) osdh, input 1 v[p-p], 94 (103) 112 ire pin 22 character input (high) character level (2) (100ire) ? dl 16-3(h) osdh, input 1 v[p-p], ? 5 (7) 19 ire pin 22 character input (high) character level (3) (50ire) dl 19-3(m) osdh, input 1 v[p-p], 46 (55) 64 ire pin 22 character input (middle) character level (4) (50ire) ? dl 16-3(m) osdh, input 1 v[p-p], ? 6 (6) 18 ire pin 22 character input (middle) ee/vv mode changeover threshold v 4th v cc = 5.0 v 3.0 (3.3) 3.6 v ack changeover threshold v 13th v cc = 5.0 v 1.65 (1.95) 2.25 v cps changeover threshold v 21th v cc = 5.0 v 1.65 (1.95) 2.25 v osd (l) changeover threshold v 8th(l) v cc = 5.0 v 1.2 (1.5) 1.8 v osd (h) changeover threshold v 8th(h) v cc = 5.0 v 3.2 (3.5) 3.8 v let (l) changeover threshold v 22th(l) v cc = 5.0 v 1.2 (1.5) 1.8 v let (h) changeover threshold v 22th(h) v cc = 5.0 v 3.1 (3.4) 3.7 v eey second harmonic wave 2y 19-5 f = 1 mhz ? ( ? 60) ? 40 db eeyc second harmonic wave 2yc 16-5 f = 1 mhz ? ( ? 55) ? 40 db eec second harmonic wave 2c 14-9 f = 1 mhz ? ( ? 48) ? 40 db electrical characteristics at t a = 25 c (continued) note) the typical value in the parenthesis is the typical values and not the guaranteed one.
ics for vcr AN3581S 5 terminal waveform pin normal waveform dc voltage z in no. (v) z out 1 1 000 mv[p-p] 2.0 diode clamp 2 ? 0.0 ? 3 1 000 mv[p-p] 2.0 diode clamp 4 two-values ? base l/h 5 1 000 mv[p-p] 2.0 diode clamp 6 ? 5.0 ? 7 1 000 mv[p-p] 2.0 diode clamp 8 three-values ? base l/m/h 9 2.0 z in 20 k ? 300 mv[p-p] 10 ? 0.0 ? 11 2.0 z in 20 k ? 300 mv[p-p] pin normal waveform dc voltage z in no. (v) z out 12 2.0 z in 20 k ? 300 mv[p-p] 13 two-values ? base l/h 14 2.4 z out 0 k ? 1 250 mv[p-p] 15 ? 5.0 ? 16 2 000 mv[p-p] 1.3 z out 0 k ? 17 2 000 mv[p-p] 1.3 ? 18 ? 0.0 ? 19 2 000 mv[p-p] 1.4 z out 0 k ? 20 2 000 mv[p-p] 1.3 ? 21 two-values ? base l/h 22 three-values ? base l/m/h
AN3581S ics for vcr 6 technical data 1. yc output drive characteristics 1) gain-frequency characteristics 2) measurement circuit 0 1 2 3 4 5 6 7 8 100 k 1 m 10 m frequency (hz) gain (db) 1 output 2 outputs 3 outputs 4 6 5 17 16 150 ? 470 ? 150 ? 150 ? sw2 sw1 1 k ? v m 10 f sg1 5 v 100 f 10 f AN3581S sw1 sw2 1 output off off 2 outputs on off 3 outputs on on gain = 20 log [db] v m (mv[p-p]) 714 (mv) 714 mv 286 mv note) the above-mentioned characteristics is an example of real measurement value and not guaranteed value.
ics for vcr AN3581S 7 technical data (continued) 2. functional comparison on an3580, an3581, an3582, and an3584 signal output component y output component c output composite (y + c) output evf output parts no. an3580sb y: 1 output c: 2 inputs y: 1 input, c: 2 inputs y: 1 input, ssop016-p-0225a with 75 ? driver with 75 ? driver with 75 ? driver character: 1 input zone: 1 input (black and white) AN3581S y: 2 inputs, c: 2 inputs, y: 2 inputs, c: 2 inputs nil sop022-p-0375a character y: 1 inpu t character c: 1 input character y: 1 input, with 75 ? driver with 75 ? driver character c: 1 input with 75 ? driver an3582s/sh y: 2 inputs, c: 2 inputs y: 1 input, c: 2 inputs y: 1 input, c: 2 inputs sop024-p-0375a/ character y: 1 input character y: 1 input character y: 1 input ssop024-p-0300a with 75 ? driver (black and white/ color changeover) an3584sh y: 2 inputs, c: 2 inputs y: 1 input, c: 2 inputs y: 1 input, c: 2 inputs ssop024-p-0300a character y: 1 input character y: 1 input character y: 1 input character black frame y: character black frame y: 1 input 1 input with 75 ? driver (black and white/ color changeover) usage notes ? if let is unnecessary, don't input control signal to pin 22. ? be cautious in use of this ic because pin 8 is easy to latch up compared with other pins. latch up level at c = 200 pf pin 8 + side 210 v ? side 140 v latch up of another pins are 250 v or more both + and ? sides.
AN3581S ics for vcr 8 application circuit example 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 17 16 14 12 2.0 v cl cl osd s1 ee ee vv 3.3 v let 6 db ? 3.5 db ? 9.5 db 2.0 v osd m h s2 vv yc mix. osd osd osd off ee cps osd killer s4 vv ee cl cl let 9.5 db 0 db s5 s3 12 db through for 100ire and 50ire through for only full osd let vvy2 y-gnd osdy ee: h eey v cc 5 v vvy1 10 f osd eec c-gnd 18 15 13 osdc let (non-rec.) ops y-out 75 ? 1 k ? 1 k ? d-gnd yc-out d-v cc c-out ack vvc 10 f 100 f 10 f 10 f 10 f 75 ? 75 ? 1 k ? 470 ? 100 f 10 f 75 ? 0.01 f 0.01 f 0.01 f 0.01 f 75 ? 75 ?
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