AN5437K PANASONIC | Alldatasheet
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Technical content
. | ICs for TV Panasonic Color TV Deflection Signal Processing IC i Overview The AN5437K is an integrated circuit designed for color ‘Unit ; man TV deflection signal processing circuit. It can operate with . 12V power supply and is suitable for various types of Ta p24 es color TV sets. aq D2 poe al Jaq 2 = | cot i Features 5 oa Bie = |i + Built-in high voltage protector circuit by hold-down (X- aq Be |e ray protection) 104 Bis cr « Built-in high performance noise canceler circuit with ud] pis — ba Bo Lock Out prevention. TI sas « Built-in vertical and horizontal oscillator circuit. which | erzns | \\ 3.0520.25 are highly stable operation against changes in supply 478028 voltage and temperature + 12V supply voltage operation f os 38h . 3018 TERTOS 24-Pin Shrunk DIL Plast Pckage Block Diagram Ver, Veo - Se. 7 . top =f TA tae ace @) C—O) 0) “91 <3) Vie [ 2628 SV-t-@ x v vet ¥. at 3 Dene oe na | | dir [-@~ Se. nv (1) | sf ttn — |? 2) ©) OO—O—O- @) Ox Hor, oad ae a +2 ee
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1 Pin Descriptions
TxD [ee sch inp 2 |otor AFC Ref. signal inp [M4 [Ver sawtooth ouput 3. |Hor. AFC output ___||_15 | Vert. saw-tooth capacitor 5_|Hor. Osc. capacitor || 17 | Vert. hold volume 6 |X—Ray protector output || 18 | Vert. integral capacitor 9 |Hor. output ———_|| 21. [Noise detecting capacitor fies 2 2 fy ep CR U1 [Fitter capacitor —___|| 23 | Video signal input (1) 12 [Vert output ____|| 24 | Video signal input (2)
1 Absolute Maximum Ratings (Ta=25C)
v_ [esto v ~ S Se y “| a v a a v a a v Voltage | v Cirevitvottge [Vas Ps | v [Ven to v er v [ven PVT v | v 2 v a mA a a po a mA A ee Current a a a a ee a Te SO a es OO a es Oe a es
W@ Electrical Characteristics (Ta=25) Parameter Symot_ | ___ Condon [min | op [ max | Ua Circuit current a 7 a 7 Vose-stv) | Voc: when fyo is 40 to 60Hz and output Vertical oscillation starting voltage | Vaio” | mec g sup yor more 39| 62 v Vertical oscillation frequency Oscillation frequency difference when change with supply voltage | '4¥volVec | yoc,=14.4V and 9.6V 093 | 13] He Vertical pull-in range Video input 14Vp-p. Voci=12V Simi Vertical oscillation saw-tooth ; “took _ Horizonal oscillation starting ‘Pind when fo is 10 to 20kHz and output voltage Vose-s) | becomes 1Vp_p or more 52 Vv Hodzoloclatin egpnsy| oo [Vaasa *iIRO| TBT | TORE |e in a . Oscillation pulse width ratio when Horizontal oscillation frequency ‘Oscillation frequency difference when change with supply voltage Va fuol Vee | yocs=14.4V and 9.6V 7 Hz Protector operating horizontal _ Oscillation Requeney firs ‘When the protector circuit operates 17.0 20.0 | kHz ou ® | Min. amplification of separable syne Separable syne input Viet input signal Vere Horizonal pull-in range * fyo= 15.7kHz | — | 600] — | fico change with ambient temperature * | | fxolTa | Ta=—20T to +70. [=1.67 | — | 1.67 | a2 Deepen ® [fo [exe 88 | 88 [08 i ‘Temperature change of vertical — + oscillation frequency * |4fvolTa | Ta=—20T to +707 03 Hz Temperature change of vertical = - Temperature change of vertical | [V.[Ta | Ta=—20T to +70T 30 | mV,-» * Reference value for design. 250 i
Vect ty Ver. bv ph bY woo Sime VW i ‘, SL ue Like t - + Lae es = al -, + ‘Ver, Tt] ? oe : eee ODDO) Oq OHM a= , 0.01 ar [ saa $120 = j g 0.01 AF in | Eg ls 3 Bs = I g gran | SBF fomenry oka = cours] ga seo , » +10v sa Ei due Zener 3308 ae 2w 4 3 Di ¢ Hor. Drive Tr = 3 JL nN = 24.30, Fly-back pulse g Lay 8 fora son 3 10 pF Note : Pin@ is used when Video input signal is negative polarity ( avi ) Pin® is used when Video input signal is positive polarity (4 /\\,y ) ® : Tantalum Capacitor