TBA1440G ETC1 | Alldatasheet

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Technical content

Features

@ High integration @ Large control range @ High input sensitivity @ Minimal 1.07 MHz disturbance @ Positive and negative signal @ Separate adjustment for white and black levels @ Excellent tuning behavior Maximum ratings Supply voltage Vs 151) v Voltages Va 5 v Vs 20 v Via 5 v ‘Ohmic resistance between pin 8 and 9 Res $20 Q Junction temperature i 150 °c ‘Storage temperature range Toa 40 to 125 °c Thermal resistance (system-air) Rusa 90 kw Operating range ‘Supply voltage Vs 10.5 to 15 v Ambient temperature Th 25 to 60 °c 1) intermittently 16.5 V 345,

Vis =1 V; fie = 38.9 MHz; T, = 25°C; (all data measured with respect to ground, unless otherwise stated) min | typ max | Current consumption Is 33 42 61 mA DC voltage at output 11 Vis 15 V; Y= 0 Rag Vay 55 v Rieg=0 Vis 96 v DC voltage at output 12 | Vig 15 V; Y= 0 Rig V2 19 v Rus Vio 35 v White level deviation MVy/AVi3 100 mv/V BV42/4V43 20 mv/V Resistance for AV), =1V Ries 85 kQ AGC threshold Vio = sync pulse level for Rios; =0 Vso=Vin 19 v Resistance for sync pulse level deviation of 1 V Rios 24 kQ Sync pulse level with async or without gating pulses Virsyne 0s v (peak level control) Video output voltage Vosse0 3.0 v Control current for tuner prestage (Vs >2 V) Is 10 15 mA (10 dB after AGC) IF control voltage for max gain Ve 0 05 v for min gain Va 25 5 v Gating pulse voltage ~, 2 5 | v Residual IF (basic frequency) Vax: Vae 10 mv Output current to ground Ty: hie 5 mA to plus In: he 1 mA Input impedance at max gain Zus6 | 1.8/2 kQ/pF at min gain Zia6 1.9/0 KQ/pF Input voltage") for Vj p9 = 3 V vi 70 100 200 | wv Video bandwidth (-3 dB) Buseo 6 7 MHz AGC range 4G 55 aB Intermodulation ratio (1.07 MHz) with reference to fo,2)” a 45 dB Output impedance Za0-9 | 272.5 | kQ/pF 1) According to test circuit: Vj~ rms sync pulse level at 60 © 2) Test levelacc=— 3B Asc = —20 dB referred to picture carrier * (sound-color-beat frequency) 346

& droge Kh) i t 1kQY deny shX 4 ¢ OnF E st 16 L Hows ‘56pF i et ‘oo Wy 5 i a ia 3/5 Turns? re q ¥ ast ' g 3 4 oe f AT 2 $ pH 125 Turns S 5 | sk [Ys wo nF Leta | AT pF ( | 1

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versus white level resistance Vs =13 V; Rios = v a 8 ~ 1 PAA UHLAUEEERREE \\ | ONT

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: Se He , LUT o LLL i Ls 0.2 & 6 B 10 12 1416 1820 22 2626 28 kX — Rag 347

Block diagram _ is z 1? St =a Ell El H . OH - O+ | : ! eal 2{] | t 3] Zo | OAS Vines ate - 1 cas Fe | IH | 43 | EN g i TL ot pee ina Te ; Peeks 348

Noise figure versus attenuation Control voltage versus attenuation (measured at video frequency) Vip =3 V, Vs = 13 V, f = 36 MHz, Vs = 13 V, f= 36 MHz, At = 3MHz, Rg = 500 2 Rg = 500 2,-V_=3V y "oT ry 20 v mo an oI I am inl PryTrriyy mae we 4 e opr ' CHA H bi 4 geepe +l A lt sl {| FP ye -++ ++ r - TAL, Ty 8 ty 10 Tot y wt ee ee : + fe eee es fi |p, 5002 4 5 fame Tt PtH ee at MH 4 0s Syd Hi bs TR, +8002 sae + TG TSA | HERES gulLi ii ati 4 0 i 1 1 } 7. 0 oO © 5008 0 1 20 3D (OMB — Allenuation 2 ~e Attenuation 2 ‘Tuner control current versus attenuation Re = parameter oa Wr py : i a = fy f 6 <<“ fff fff a | agank{ 25k] 19k] 144 : 6s ~ _ 4 ki : | 2 -20 -30 -40 -50 - 6008 ——Alienuation a 349

suitable for connection of video recorders (75 Q) weld tt = c Sto7g = | greys Fab Jeek oud f Po ge TET o bee 3 ° ac | = |qe. * fog a tet || = et 5. 34 BRT tee ee OF get ar ad | cn Moos) th aetke g | EB “ea pie nse Og r = 350 oo