Other ICs for Video AN3117S, AN3117SA RF modulator IC for VCR and VDP ■ Overview Unit: mm AN3117S The AN3117S and AN3117SA are RF modulator ICs for VCR and VDP. They provide excellent high frequency characteristics by adopting the high performance RF oscillation circuit. 10.1±0.3 9 1 8 4.2±0.3 6.5±0.3 (0.15) 16 ■ Features (0° to 10°) 1.27 0.40±0.25 Seating plane 0.1±0.1 (0.605) 1.5±0.2 0.3 • Excellent in higher harmonic characteristics of RF • Excellent in higher harmonic characteristics of sound sub-carrier by the 1 MIX system • Sharp white clip characteristics • Suitable RF-MOD IC for the USA and Japan specifications • Video AM modulator • RF carrier oscillator • White clip • Channel changeover SW • Sound FM modulator • ANT SW driver • Carrier off SW • Available also the SSOP package (0.65 mm pitch) Seating plane SOP016-P-0225A Unit: mm AN3117SA 5.0±0.2 9 16 +0.10 0.15 −0.05 6.4±0.3 4.4±0.2 (1.0) 0° to 10° ■ Applications 1 8 0.1±0.1 • Video deck, video disk player, set top box for CATV, game machine 0.65 (0.225) 0.22 +0.10 − 0.05 ■ Block Diagram 9 10 11 12 13 14 15 RF out Video in RF OSC Buff. RF amp. Pre amp. MIX Channel SW 7 5 4 3 6 Audio in P/S Adj. 2 FM mod. 8 16 ANT SW driver White clip 1 Seating plane SSOP016-P-0225A Video clamp GND 1.2±0.2 0.5±0.2 1 AN3117S, AN3117SA Other ICs for Video ■ Pin Descriptions Pin No. Description Pin No. Description 1 Ground pin 9 RF oscillator emitter pin 1 2 P/S adjustment pin 10 RF oscillator emitter pin 2 3 RF OSC control pin 11 RF oscillator base pin 4 SIF oscillation pin 1 12 Power supply pin 5 SIF oscillation pin 2 13 Antenna switch driver changeover pin 6 Sound input pin 14 Antenna switch driver pin 7 Channel changeover pin 15 RF output pin 8 SAW/LC oscillation changeover pin 16 Video input pin ■ Absolute Maximum Ratings Parameter Symbol Rating Unit VCC 6 V ICC 60 mA PD 269 mW Topr −20 to +75 °C Tstg −55 to +150 °C Supply voltage Supply current Power dissipation *2 Operating ambient temperature Storage temperature *1 *1 Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The power dissipation shown is for the IC package in free air at Ta = 75°C. ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VCC 4.5 to 5.5 V ■ Electrical Characteristics at VCC = 5 V, Ta = 25°C Parameter Current consumption Video output level Video modulation depth *1 Symbol Conditions Min Typ Max Unit ITOT VCC = 5 V, no video and sound input 18 22 26 mA VP No video and sound input 83 85 87 dBm mV Video input = 0.625 V[p-p] 73 79 % 10-staircase wave 77 80 83 81 87 Note) 1. Measure in USA 3-ch. unless otherwise specified. 2. *1: Video modulation coefficient ranks. Video modulation coefficient 73% to 79% Sound modulation coefficient 23 kHz to 27 kHz B 77% to 83% 81% to 87% C D • Normal delivery for B to D ranks with embossed taping of 2 000 pcs per reel • The rank can not be specified in your order. 2 Other ICs for Video AN3117S, AN3117SA ■ Electrical Characteristics at VCC = 5 V, Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit Video output difference between channels ∆VP No video and sound input −2 0 2 dB Video modulation coefficient difference between channels ∆mV Video input = 0.625 V[p-p] 10-staircase wave −2 0 2 % Maximum video modulation coefficient mVmax Video input = 1.0 V[p-p] 10-staircase wave 88 93.5 97 % P/S ratio VPS No video and sound input 9.5 12 14.5 dB Sound modulation coefficient f∆FM Sound input = 245 mV[rms] f = 1 kHz, sine wave 23 25 27 kHz Maximum sound modulation coefficient f∆Fmax Sound input = 980 mV[rms] f = 1 kHz, ratio with f∆FM 3.6 4 4.4 Sound S/N SNS No video input 55 63 dB Sync. distortion Sync m = 80% Full white signal −2.5 % Differential gain DG m = 80% Staircase wave 3 % Differential phase DP m = 80% Staircase wave 2 deg f∆FM = ±25 kHz 0.3 % VCC = 5 V 4.50 MHz Sound modulation distortion THD Sound oscillation frequency fSIF Driver output voltage at ANT SW on ASV VCC = 5 V, 13-pin open RF carrier off 0 V At ANT SW off ASRV VCC = 5 V, 13-pin 5 V 4.0 V Driver output voltage RF carrier on Load current 15 mA ANT SW RF carrier off voltage COFF VCC = 5 V 0.25 V ANT SW RF carrier on voltage CON VCC = 5 V 1.25 V P/S = 12 dB, P/C = 18 dB, P = 66 dBµ, 3.58 MHz, sine wave 65 dB Chroma beat IM In-band beat Beat 70 dB Video input impedance RV 30 kΩ Sound input impedance RA 20 kΩ ±2 dB Ta = 25°C reference Ta = −10°C to +70°C ±3 % Ta = 25°C reference Ta = −10°C to +70°C 87.5 % Ta = 25°C reference Ta = −10°C to +70°C ±10 kHz Video output level ∆VPT Ta = −10°C to +70°C Temperature characteristics Video modulation coefficient Temperature characteristics ∆mT Maximum video modulation coefficient ∆mmaxT Temperature characteristics Sound oscillation Frequency stability Ta = 25°C reference ∆fST Note) Measure in USA 3-ch. unless otherwise specified. 3 AN3117S, AN3117SA Other ICs for Video ■ Terminal Equivalent Circuits Pin No. 1 Pin name Equivalent circuit GND Description Standard open voltage P/S ratio becomes large when the capacitance connected be- 2.7 V 1 2 P/S Adjustment pin tween pin and GND increases. 2 2 kΩ 3 RF OSC Control pin Pin to control RF OSC. Oscillation of RF becomes 3 unstable when capacitance 10 kΩ connected between pin and GND is too small. 4 SIF Oscillation pin 1 Reference bias source of oscillator. Sound buzz appears 4 4.2 V to decrease in sense of hear6.2 kΩ ing when capacitance is connected between pin and GND 5 to cut AC signal. Oscillation frequency is determined by the external tank circuit. 5 SIF Oscillation pin 2 Reference oscillator for 4.5 MHz sound modulator. 4.2 V 6 Sound input pin Typical DC voltage is almost same as GND potential. If 0V DC level of sound input signal is GND potential, an external coupling capacitor is not necessary. The circuit 6 configuration which is de20 kΩ signed to minimize the voltage variation at power supply on makes less pop noise. 4 Other ICs for Video AN3117S, AN3117SA ■ Terminal Equivalent Circuits (continued) Pin No. Pin name 7 Channel switchover pin Equivalent circuit 6.3 kΩ Description Standard open voltag The oscillation output comes out from pin 9 when the chan- 1.9 V nel switchover pin is open, 7 and comes out from pin 10 4 kΩ 8.6 kΩ when that pin is connected to GND. 8 SAW/LC Oscillation switch- Power output of RF oscillator increases if this pin is opened. 0.3 V Pin 9 and pin 10 are oscillator output pins which configure 4.0 V emitter output of NPN tran- 4.3 V over pin 2 kΩ 8 2 kΩ 9 RF oscillator emitter pin 1 sistor. 10 9 RF oscillator emitter pin 2 4.3 V 10 4.0 V 11 RF oscillator base pin Pin11 is input of oscillator and impedance is 3 kΩ. 3.7 V 11 3 kΩ 12 Power supply pin 12 5 AN3117S, AN3117SA Other ICs for Video ■ Terminal Equivalent Circuits (continued) Pin No. 13 Pin name Equivalent circuit Antenna switch Description Standard open voltag When pin 13 is connected to V CC, RF oscillator and 0.7 V driver changeover pin are operated and when this pin is open circuited, RF oscilla- 10.2 kΩ tor is stopped.In this state, no 13 pop noise will not be made when antenna switch is turned on/off even if sound system is operating. 14 Antenna switch driver pin When pin 13 is connected to VCC, this pin voltage becomes 4.0 V. (RF oscillator ope2 kΩ Pin 13: VCC 4.0 V (Load cureent in 15 mA) ratesand load current is 15 mA) When pin 13 is open-cir14 cuited, this pin voltage is 0 V. Pin 13: Open 0V (RF oscillator stops) 8 kΩ Drive capability of driver pin is approx. 30 mA. 15 RF output pin Output pin of RF signal. It has low impedance output. 2.7 V The sync. peak value clamp system is adopted for input 2.0 V 660 Ω 15 16 Video input pin clamp circuit. This pin has a high input impedance to 16 minimize sync. distortion. Pay attention to the sync. sag which is likely to occur when an external capacitor attached is 0.47 µF or less. 6 10 kΩ FM mod. 8 7 6 ANT SW driver SAW/LC switchover 820 pF 1 µF 5 MIX Audio in 56 pF 4 Buff. 100 kΩ 1 000 pF 3 Video clamp 2 200 pF 22 pF 2 1 White clip P/S Adj. GND 9 10 11 12 13 14 15 16 15 pF SAW 10 kΩ 1 000 pF 1µF VCC 5V RF out Video in Other ICs for Video AN3117S, AN3117SA ■ Application Circuit Example RF OSC RF amp. Pre amp. Channel SW 7