TA7676P TOSHIBA | Alldatasheet
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PR INTEGRATED CIRCUIT TAT676P ¢ TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT Bese TECHNICAL DATA SILICON woNoLTHtc TENTATIVE Untt tn mm TV PRIMARY COLOR SIGNAL PREAMPLIFIER WITH DATA INPUT TERMINALS FOR TELETEXT etc 23, 21,29, 27, 15, 25 FuncrioN a E . PAL/SECAM System Switch 4 . PAL/SECAM Color Control DES4S6 78010 Me | SECAM Sub Color Control s24unx { aszesozs . Matrix ail. o2uax 1 al |. 3 P - TV Color Difference Signal Coverted to Primary | 3) ———+—__f tt Tr a Color. NW ¥ y ta ! va - Clamp Circuit by Line Pulse. Pr gota. jazs“aos - Blanking Pulse by Field Pulse. 2542025 a ae . Line Pulse, Field Pulse Amplifier. » Video Amplifier. +025 against theoretical center of Brightness Control. basis of No,1 and No.2¢ leads, LV Video and DATA Switch. TEbEe = - Data Input (R,6,B) rearune + In combination with TA7621P (SECAM, color process/demod) and TA7193P (PAL, color process/demod), PAL/SECAM dual system can be constructed. LV video signal and RY, B-Y signals are transfer to R,G,B primary color internally . R,G,B three input terminals are available for DATA input and the selection of DATA input or TV signals are selected by video/data switch. TOSHIBA CORPORATION 247
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cone” TAT676P Rms TECHNICAL DATA MAXIMUM RATINGS (Ta=25°C) CHARACTERISTIC RATING UNIT Supply Voltage Vee 1s Oo - eoMAX. e©5MAX. | Signal Level at Inpue Pin CLOMAX. €1SMAX. 5 Vp-p © 20MAX. © 21MAX. © 23MAX. © 24MAX. color Output Current To(o0) 3.5 a | 00 B [ma _| Color Control Input Voltage - V22 MAK. 1s PAL/SECAM Switch Input Voltage V1 MAK. 15 jv | Brightness Control Input Voltage V13 MAK. 15 Video/Data Switch Input Voltage Vig MAX. 5 Line Clamp Pulse Input Voltage V16 MAX. £5 Field Blanking Input Voltage Vi7 MAX. $5 Operating Temperature Topr -20~65 Storage Temperature Tete =55~150 Note : Derated above Ta#25°C in the proportion of 9.6mWl/*C. TOSHIBA CORPORATION 249
° TAT676P ms TECHNICAL DATA ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Vcc=12V, Ta=25°c) TEST CHARACTERISTIC SYMBOL. CIR- TEST CONDITION ‘TYP. UNIT curr) PAL/SECAM AMP, RGB MATRIX (1) V20, V2 PAL/SECAM Input Voltage | /20* V2t Terminal 20, 21, 23, |i 65 |y.95 j2.25] v Vea, Vou 24 Voltage PAL/SECAM Input Dynamic Vpcr (PAL) V22=Vcc, V13-6V 2 0.4 Vp-p Range Vpcr (SECAM) (ote 1) R.G.B Output Dynamic v 2 |V22-Vcc» Vi3-6v 4 - | Vp Range 0B MAX. (ote 2) pe V22=Vecs V13=6V ay | Gaxcr ry 18 | ap RY | Guax(r-v) |? (ote 3) a PAL/SECAM Max Gait $a _—| _ ~ Va2=Vec, V13-6V 18 22 | ap BY | Guaxcsxy |? (Note 4) Vo2-Vee, W136 reliss fin} - B/R 2 (Note 5) . 55 . Relative Ratio of Color GR 2 |V22-Vcc, Vi3=6V 0.46 |o.st lose | - output (Note 5) G/B 2 |V22-Vec, V13=60 0.17 [0.19 0.21 - (Note 5) Color Cont. Terminal Voltage of Terminal ; voltage Vo2 1 32 | 4-9 | 5.6 | 6.3 v [ere of = Max. Gain Reduction of
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~ TECHNICAL DATA TEST] CHARACTERISTIC sympo. |crR-| TEST CONDITION van.| Tye. Max./ UNIT curr| PAL/SECAM AMP., RGB MATRIX (2) Color Gain Change by Vec=i0.8~ 13,20 7 y Supply Voltage Variation | MAX. (B-Y¥)V} 2 ioe 4) [7O°> 0-8 [eB/ Color Gain Themal Ta=-10°C ~ 65°C 0, Drift Suax.(B-¥)e] 2 (tote 4) [-2-04] 9 [0.08 | oars PAL/SECAM Switching Leve Li PAL Visw We2Vocs Vise 4) | 2.0 3.6] Vv Hot SECAN 4VsuB V22-Vec» V13=6V ~ 12 Max. Gain Reduction of yo py ote 8) }_ Sub Color Cont. 4VsuB(1) | 2 |Vir7-2~12v 6 4VsuB(2) Vy=7.7 ~12V - 3 Verp- Vo2=Vec, Vi3=6V PAL/SECAM Crosstalk ‘CTP-S 2 | M22rVecs V13 - 10 | 100 | mVp- Vors-P (ote 8) iad Error Voltage Between Yoo3-"V13 vpje4—aV, Vppeov Bright Cont. Voltage Voce-¥13 3 {%23 ere 10) [70-4 |-0-2 ol v & Clamp Level Yocs-V23
4 Voc3~6 V\\3=6V, Vpp=0V
Offset of Clamp Level 4 Yoce-9 3 0.3} of 03} v a As a — - - Vea Clamp ‘Terminal Voltage Ver Se cheeethe 4.0] 43/46] v Ves Period Brightness Control ° - Rance 443 3 | Vpp=0v 4.0 - 23 | v Sink Current of Bright 7 7 DC Level Shift of Color V22=0V~Vcc, Vpp=0V Output by Color Cont. |[4Vog(color) | 3 | During Clamping so | av oct ) Period Variation of offset of {#¥0C3~6(R, 6) W22"0V~ Ves Vpp70V Color Outputs by Color |4Voc6-9(c,B)} 3 | ¥1373~ -50 50 | av oni , During Clamping Cont. and Bright Cont. ayocg scm py During Color Output Temperature V22=Vec, Vgp=0V, . 0, brife Voce 3 | vi3-6v nv/°C| TOSHIBA CORPORATION 251
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN.| TYP.| MAX.| UNIT curr PAL/SECAN AMP., ROB MATRIX (3) Vous Color Output Blankini Color Output Blanking Yoos 3 |vo2Vece Vi3e6v 1.7 | 2.0 v Vor9 4V0B3-6 Offset of Color Blanking | yy aog_g v22"Vees Vag 0.3 v Level 4Vor9-3 Tine Clamp Pulse Input 7 &, pe oper pepe] Blanking Pulse Input 7 Level VB 3 | #16=0v 1.2 v VIDEO AMP. YBo Gain Cy 4 |vi3=6V, 20 log oye 3.2 Tnput Terminal Clamp Vi3-6V, During Vv Level Ves 3 Iclamping Period 6.3 DATA INPUT ; Wwe) Vis-6v re Gain cp 5 |v13=6Vv (Wore 12) | 18 | 20 | 22 | 2 | Offset of Black Level ~ ” ° Between TV Signal and 4VB 3 [vy 3-6v (oce 13) | - | 100 | 300 | av Data W/p-2V, Vi3-6V receres EE a P= pe = fom R,G,B Output Time Lag nsec Difference (ioce 15) VIDEO/DATA SWITCH me a mem T =P Data Input OFF Level Vis orr | 5 |¥cp=0v (Note 17) 0.3 | | Switching Speed ta 5 |ecp=ov (Note 18) 40 [nsec |
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Note 1. PAL/SECAM Input Dynamic Range Vop=4.3V, Vy=5.5V PAL : Vz=0V, V22=Vcc, V1 3=6¥ SG2/SG3/SG4 : Disconnect. Read SG] when #9 start to saturate. SECAM : Vy=Vcc, V22"Vec, V13=6V $61/SG2/SG4 : Disconnect Read SG3 when #9 start to saturate. Note 2. By same condition read the amplitude of #9 . Note 3. R+Y Max. Gain Vop=4.3V, Vy=5.5V PAL: Vy=0V, V22"Voc. V13"6V SGj, $63, SGy4 : Disconnect U3R Gmax. (R-¥)=20 log q~ SECAM : Vy=Vcc, V22"Vcc, V13*6V SG], SG2, SG3 : Disconnect Y3R GMAX. (R-Y)"20 log D3,— Note 4, B+Y Max. Gain Vop=4.3V, Vy=5.5V PAL: Vy=0V, V22=Vcc, V13"6V SG2, SG3, SG4 : Disconnect VOB Cmax. (B-¥)=20 log—77Q~ SECAM : V1=Vcc, V22=Vccs V13=6¥ 8G1, 862, SC4 : Disconnect Smax. (B-¥)=20 log p75" Note 5. Relative Ratio of Color Output Vop=4.3V, Vy=5.5V, V22=Vcc, V13=6V PAL: Vy=0V k VaR. GL MOG LG 6G S63, S64 + B~ = V9p” RRB” YOR TOSHIBA CORPORATION 253
SECAM : Vy=Voc SG], SG2 : Disconnect Note 6. Max. Gain Reduction of Color Control Vop=4.3V, Vy=5.5V, Vy3=6V, V1=0V 867, 863, SG4 : Disconnect Read the amplitude change of #9 amplitude by #22 change of from V¢¢ to OV. Note 7. PAL/SECAM Switching Level Vep=4.3V, V¥=5.5V, V22"Vcc, Vy 3"6V 862, 863, S64 : Disconnect Read the #18 voltage reducing from 12V when 100kHz signal appears at #9. Note 8. Max. Gain Reduction of Subcolor Control Vop=4.3V, Vy=5.5V, V22=Vcc, Vi3-6V 862, S63, SG4 : Disconnect Read amplitude change of #9 changing #1 from 12V to 4v. Note 9. PAL/SECAM Cross Talk PAL-+SECAM : Vorp.sy varVec 863, SG4 : Disconnect Read the 100kHz signal level at #3,, #6 and 69. SECAM—+PAL : Vers P, vy-0v SG1, SG2 : Disconnect Read the 100kiz signal level at #3, #6 and #9. Note 10. Error Voltage Between Bright Cont. & Clamp Level Vy34~ 8V, YBP=0V Read the voltage difference between #11 & #3, #6 and #9 during clamping period.
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Note 11, Input Dynamic Range #18=2V, V13=6V Read the input level of #2, #5 and #10 which will start to saturate the chroma output. Gain of Data. Note 12. Same Test Condition as in Note 11 and Calculate, YOR %6G 3K, 20 log—tig» +20 log Ge» 20 logy Note 13. Va9=6¥ Vcp=4V(DC), Upp=OV Read the offset at color outputs between #18 of OV and 2V. Note 14. Risetime of Chroma Output Ww/=2V, V136¥ Lor (ouaur pute) With Fig.1 signal condition, zone read ty. vine 90%| FT Note 15. Output Time Lag Difference PING re (Data report) With Fig.1 signal condition, INK read dtpit oom Yon 50% (CHROMA OUTPUT-BLUE) ono com \\ (curona ourrur-onsey) 4tpu Fig. 1 Note 16. DATA Input On Level Vi5=5.5V, V2=V5=V19=3.5V, Vg=V7=Vg=4.3V Read the #18 rising OV to 2V, when #9, #6 and #3 change from=4.5V to= 9. TOSHIBA CORPORATION 255
Note 17. DATA Input Off Level V15=5.5V, V2=V5-V19=3.5V, Vy=V7=Vg=4.3V Read the #18 decreasing from 2V to OV, when #9, #6 and #3 change from=9V to=4.5V. Note 18. Switching Speed Vy5=5.5V, V2=V5=V10=3.5¥, zone va=v7=Vg=4.3¥ 90% As in Fig.2, Read the tg. 50% L5Vp-p (VIDEO/DATA SWITCH) do TOR Yop veo 20% Connoua ourpur) USR 10% ta Fig. 2
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