IC for TV Large Integration

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. 26.7±0.3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 Unit : mm 0.5±0.1 4.8±0.25 0.3 – 0.05 + 0.1 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) 8.4±0.3 1.05±0.25 3.05±0.25 3 to 15˚ 10.16±0.25 28-Pin Shrunk DIL Plastic Package s Block Diagram SIF Filter Audio Level Adj. Video Output 25 24 23 22 21 20 19 18 17 SIF Trap Audio Output 26 27 28 Level Adj. FM Det. SIF Amp. VTR SW VIF Amp. Noise Inverter Video Inverter 16 15 Video Det. VCO 1 2 3 4 5 6 7 8 9 10 11 APC Det. RF AGC IF AGC Lock Det. AFC 14 13 12 IF Input VCC VCC + IF – AGC Filter VTR SW RF AGC RF Delay AGC Adj. Out. + – AFC SW AFC Out. VCC 1.778 0.9±0.25 1 AN5138NK s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Symbol VCC V5-1, V6-1, Voltage Circuit Voltage V7-1, V10-1, V18-1, V25-1, Current Circuit Current 14, 21 14, 21 14, 21 14, 21 14, 21 14, 21 ICs for TV Rating 13.8 V4, V4, V4, V4, V4, 12-1, 14, 21 12-1, 14, 21 12-1, 14, 21 12-1, 14, 21 12-1, 14, 21 Unit V 0 0 0 0 0 0 + 0.5 + 0.5 + 0.5 V V V V V V mA mA mA mW ˚C ˚C 8.0 –7 –7 –5 1,300 –20 to + 70 –55 to + 150 I17 I19 I26 Power Dissipation (Ta=70˚C) Temperature Operating Ambient Temperature PD Topr Tstg Storage Temperature s Electrical Characteristics (VCC=12V, Ta=25˚C) Parameter Video detector output Input sensitivity Max. allowable input Differential gain Differential phase Frequency characteristics RF AGC gain AFC phase det. sensitivity AFC center voltage VCO · APC Circuit VCO max. variable range (1) VCO max. variable range (2) VCO control sensitivity APC pull-in range (1) APC pull-in range (2) SIF Circuit Total detector output Input limiting voltage DC Characteristics Circuit current I4 + I12 50 70 90 mA VO Vi (lim) fo= 4.5MHz, fm= 400Hz ∆f= ±25kHz, Vi=100dBµ fo= 4.5MHz, fm= 400Hz ∆f= ±25kHz, Vi=100dBµ 490 620 42 950 47 mVrms dBµ ∆fV (1) ∆fV (2) β fAPC (1) fAPC (2) V13= 2V V13= 3V 0.8 –3.4 3 + 0.85 –3.5 1.5 – 2.4 4.5 +1.5 – 2.5 2.5 –1.4 + 2.5 –1.6 MHz MHz MHz MHz Symbol VO S (IN) V1 (max.) DG DP fc GRFAGC µ V10 f =58.75MHz, Vi= 80dBµ, m= 87.5% f =58.75MHz, Vi= 80dBµ, m= 87.5% VO= –3dB f =10kHz, Vi=10mV RL= 68kΩ//82kΩ RL= 68kΩ//82kΩ 5.5 40 30 4.2 Condition f= 58.75MHz, Vi= 80dBµ, m= 87.5% VO= –3dB min 1.9 49 103 typ 2.2 53 108 2 2 6.5 44 45 6.5 6 5 7.5 48 60 8.2 max 2.5 57 Unit VP-P dBµ dBµ % deg MHz dB mV/kHz V IF Amplifier · Detection · AGC · AFC Circuit 6 kHz/mV 2 ICs for TV 4.5MHz Filter 470Ω VC C (12V) 0.047µF 8.2µF 0.022µF 10kB 120pF 5.1kΩ 25 GND 26 TLS63318 or 28 Video Det. 27 SIF Amp. Level Adj. Noise Inverter 17 24 23 22 21 20 19 18 Video Output 12µF 220Ω 4.5MHz Trap Audio Output 5kB 820Ω s Application Circuit 3.9kΩ 4.5MHz Discriminator 27 Video Inverter 16 TLII58705 (58.75MHz) 15 VCO 12pF 680 Ω 68pF 0.01µF 33µF – + FM Det. 28 22µH AN5138NK VTR SW VIF Amp. 0.01µF 4.7µH 0.68µH 2 0.001µF SAW Filter 0.68µH 820Ω 4 0.01µF + 4.7µH 0.01µF 0.47µF – 5.6kΩ 10kB 5 3 6 7 RF AGC IF AGC 1 GND (VIF Amp.) APC Det. GND 14 (VCO) 680Ω 5.6Ω 12pF Lock Det. AFC 13 VC C (12V) (VCO) 12 8 + 1µF 3.3kΩ – 56pF 9 TLI 67321 10 11 0.01µF VC C 68kΩ + 0.01µF 18kΩ 20pF 0.47µF – + 47Ω 560Ω 4.7µF + – 33µF TUNER 18Ω 5.6kΩ AFC AGC 82Ω 820Ω 0.33µH 3.3µF – AFC SW 100pF 82kΩ AN5138NK + 3.3µF 3