STV8223B - ST Microelectronics

STV8223B MULTISTANDARD VIDEO AND SOUND IF SYSTEM

The STV8223B is a pictureand sound IF processor for multistandard application with very few external components and adjustments. It provides the audio and video switches for one SCART plug application. PIN CONNECTIONS PIF PLL FILTER AFC OUTPUT CVBS OUTPUT SWITCHING INPUT (INT/EXT) IF LC IF LC AUDIO HIGH PASS FILTER 2nd IF SOUND INPUT AUDIO AND 2nd IF DECOUPL.

Features

01.EPS January 1997 1/10 STV8223B BLOCK DIAGRAM EXT CVBS AFC OUTPUT V CC 5 6 1 12 6dB 2 17 18 11 10 SWITCHED CVBS PIF PLL & AFC 19 IF INPUT 20 VID AMP WHITE NOISE & SPOT INVERT 3 SFE 5.5 SFE 6.5 CVBS OUT 22 TUNER AGC OUTPUT AGC Int/Ext LOGIC INTERFACE 4 23 TUNER AGC 24 AUDIO Vref MUTE 14 13 16 15 7 9 DC VOLUME SIF PLL LIMITER 8 STV8223B SWITCHED AUDIO EXT AUDIO AUDIO OUT ABSOLUTE MAXIMUM RATINGS Symbol VS Vx Tstg Toper Supply Voltage Tuner AGC Voltage Storage Temperature Operating Temperature Parameter Value 13.5 VCC -40, +150 0, +70 Unit V o o C C Symbol Rth (j-a) .