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BA7046F Folha de dados(PDF) 3 Page - Rohm |
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BA7046F Folha de dados(HTML) 3 Page - Rohm |
3 / 7 page 3 Multimedia ICs BA7046 / BA7046F •Electrical characteristics (unless otherwise noted Ta = 25°C and VCC = 5.0V) Parameter Symbol Min. Typ. Max. Unit Conditions IQ 2.0 4.1 6.2 mA — 0.08 0.15 — 0.1 0.3 V 4.7 4.9 — V 13.9 15.7 17.5 kHz ± 2.1 ± 2.9 — kHz THPH – 1.0 0 + 1.0 µs pin2 pin– 6 THVD 17.0 23.5 30.0 µs pin4 pin– 2 THD 4.6 5.1 5.6 µs pin2 TVD 190 230 270 µs pin4 Vsyn-Min. VP-L VP-H fH-O VP-P ∆fCAP pins 2, 4 Not designed for radiation resistance. Quiescent current Minimum synchronization separation level Pulse voltage, LOW Pulse voltage, HIGH (Horizontal) free-running frequency Capture range Lock-in phase difference HD, VD phase difference HD pulse width VD pulse width pin 3 open pin 6 terminated with 75 Ω resistor pins 2, 4 No input signal, I1 = open •Measurement circuit 8 7 6 5 1 2 3 4 II 100p 130k V T V T V T 1 µ 1 µ 75 Video In + + + A 47 µ 0.022 µ 39k VCC 2200p 470k 10k VCC Fig. 7 •Circuit operation (1) Synchronization separation circuit Detects the charging current to a externally-connected capacitor, and performs synchronization separation. (2) Horizontal oscillation circuit When a video signal is input, it is synchronized with Hsync by the PLL. The horizontal free-running frequency is determined by external resistor R1. (3) Vertical synchronization separation circuit When a video signal is input, synchronization signal separation is done over the vertical synchronization pulse interval. fH-O = [kHz] 2.05E6 R1 |
Nº de peça semelhante - BA7046F |
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Descrição semelhante - BA7046F |
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