BA7046F-E2

Video Accessory IC Series Sync Separation ICs with Built-in AFC BA7046F, BA7071F No.10069EAT03 Description The BA7046F and BA7071F perform synchronization signal separation of a NTSC mode or PAL mode video signal and output a horizontal synchronization signal (H ), vertical synchronization signal (V ), and composite synchronization signal D D (Sync-out). With a built in AFC circuit, the horizontal synchronization signal (H ) is output without being affected by the D vertical return period or 1/2H pulses. Moreover, AFC circuit oscillation frequency adjustment is not necessary. For both the BA7046F and BA7071F, the phase difference between the horizontal synchronization signal (H ) and the D vertical synchronization signal (V ) is guaranteed. The BA7071F can be operated by a power supply voltage of 3 V. D Features 1) Built-in AFC circuit 2) Horizontal free-run frequency requires no adjustment 3) Guaranteed phase difference between H and V D D 4) Few externally attached components 5) Low power consumption (Approx. 21 mW) BA7046F 6) Wide operation power supply range (2.85 V~7.5 V) BA7071F 7) SOP8 Pin package BA7046F, BA7071F Applications VCR, Movies, LCD TV etc. Line up matrix Minimum Sync Lock-in H ,V H V D D D D Supply Circuit Capture Phase Pulse Pulse Separation Phase Part. No. Voltage Current Range Package Level difference difference width width (V) (mA) (kHz) (Vpp) (s) (s) (s) (s) BA7046F SOP8 4.5 ~ 5.5 4.1 0.08 2.9 0 23.5 5.1 230 BA7071F SOP8 2.85 ~ 7.5 5.8 0.08 2.7 1.6 24 10 254 Absolute maximum ratings(Ta=25 ) Parameter Symbol Ratings Unit Supply voltage Vcc 8.0 V Power dissipation Pd 350 mW Operating temperature Topr -20 ~ 75 Storage temperature Tstg -55 ~ 125 : Derating is done at 3.5mW/ above Ta=25. Operating Range(Ta=25 ) Ratings Parameter Symbol Unit BA7046F BA7071F Supply voltage Vcc 4.5 ~ 5.5 2.85 ~ 7.5 V www.rohm.com 2010.06 - Rev.A 1/9 2010 ROHM Co., Ltd. All rights reserved. Technical Note BA7046F,BA7071F Electrical characteristics (Unless otherwise noted Ta=25 and VCC=5.0V) Typ. Parameter Symbol Unit Conditions BA7046F BA7071F Pin 3 open (BA7046F) Quiescent current I 4.1 5.8 mA Q Pin 8 open (BA7071F) On 6pin 75 terminated input (BA7046F) Minimum sync V 0.08 0.08 Vp-p syn-Min separation level On 1pin 75 terminated input (BA7071F) 2pin, 4pin (BA7046F) Pulse voltage, Low V 0.1 0.1 V P-L 2pin, 7pin (BA7071F) 2pin, 4pin (BA7046F) Pulse voltage, High V 4.9 5.0 V P-H 2pin, 7pin (BA7071F) Horizontal free-run frequency F 15.7 15.7 kHz When inputting no signal HO Capture range F 2.9 2.7 kHz CAP From pin 2 to pin 6 (BA7046F) Lock-in phase difference T 0 1.6 s HPH From pin 2 to pin 1 (BA7071F) From pin 4 to pin 2 (BA7046F) HD, VD phase difference1 T 23.5 24.0 s HVD1 From pin 7 to pin 2 (FLD1) (BA7071F) HD, VD phase difference2 T 24.0 s HVD2 From pin 7 to pin 2 (FLD1) (BA7071F) HD pulse width T 5.1 10.0 s HD pin 2 pin 4 (BA7046F) VD pulse width T 230 254 s VD pin 7 (BA7071F) VIN,VD T 48 s INVD phase difference 2 From pin 1 to pin 7 (BA7071F) www.rohm.com 2010.06 - Rev.A 2/9 2010 ROHM Co., Ltd. All rights reserved.