AN5138NK

ICs for TV AN5138NK Video IF Amplifier, PLL Detector, AGC, AFC, SIF IC for Color TV s Overview The AN5138NK is an integrated circuit designed for video-IF and audio-IF processing circuits, in color TV and VCR. s Features By adopting built-in VCO PLL-type video-detector circuit, the high preformance IC-detector system can be realized for sound multiplex and tele-text broadcasting. Quadrature sound FM detector built-in. Frequency characteristics compensation pin (Pin20) VCR-switch pin (Pin5) Sound-output level-adjustment pin (Pin25) 26.7±0.3 Unit : mm 0.5±0.1 0.9±0.25 1 28 2 27 3 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 8.4±0.3 4.8±0.25 1.778 1.05±0.25 3.05±0.25 3 to 15˚ 10.16±0.25 0.3 + – 00..105 28-Pin Shrunk DIL Plastic Package s Block Diagram Audio Level Adj. SIF Filter Video Output Audio Output IF Input 25 24 23 22 21 20 19 26 Level 27 Adj. VIF Amp. 28 FM Det. VTR SIF SW Amp. 1 Noise Inverter Video Det. 2 RF AGC IF AGC Lock Det. AFC 3 4 VCC 56 + IF – AGC Filter VTR SW 78 RF AGC RF Delay AGC + – Adj. Out. AFC SW 9 10 AFC Out. VCC 18 Video Inverter VCO APC Det. 11 SIF Trap 17 16 15 14 13 VCC 12 1 AN5138NK ICs for TV s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Voltage Circuit Voltage Current Circuit Current Power Dissipation (Ta=70˚C) Operating Ambient Temperature Temperature Storage Temperature Symbol VCC V5-1, 14, 21 V6-1, 14, 21 V7-1, 14, 21 V10-1, 14, 21 V18-1, 14, 21 ...