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| Other ICs for Video AN3117S, AN3117SA RF modulator IC for VCR and VDP s Overview 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. AN3117S 10.10.3 16 9 Unit: mm s Features * 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) 1 8 4.20.3 6.50.3 (0.15) 0.3 1.50.2 (0 to 10) (0.605) 1.27 Seating plane 0.400.25 0.10.1 Seating plane SOP016-P-0225A AN3117SA 5.00.2 16 9 Unit: mm (1.0) 4.40.2 6.40.3 0.15 -0.05 +0.10 0 to 10 0.50.2 (0.225) 0.65 0.22 +0.10 - 0.05 0.10.1 * Video deck, video disk player, set top box for CATV, game machine 1.20.2 s Applications 1 8 Seating plane s Block Diagram Video in RF out SSOP016-P-0225A 16 15 14 13 12 11 10 Video clamp Buff. ANT SW driver RF amp. RF OSC White clip MIX Pre amp. FM mod. Channel SW 1 2 3 4 5 6 7 P/S Adj. Audio in GND 8 9 1 AN3117S, AN3117SA s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 Ground pin P/S adjustment pin RF OSC control pin SIF oscillation pin 1 SIF oscillation pin 2 Sound input pin Channel changeover pin SAW/LC oscillation changeover pin Description Pin No. 9 10 11 12 13 14 15 16 Other ICs for Video Description RF oscillator emitter pin 1 RF oscillator emitter pin 2 RF oscillator base pin Power supply pin Antenna switch driver changeover pin Antenna switch driver pin RF output pin Video input pin s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 *1 Symbol VCC ICC PD Topr Tstg Rating 6 60 269 -20 to +75 -55 to +150 Unit V mA mW C C Operating ambient temperature Storage temperature *1 Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is for the IC package in free air at Ta = 75C. s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 4.5 to 5.5 Unit V s Electrical Characteristics at VCC = 5 V, Ta = 25C Parameter Current consumption Video output level Video modulation depth *1 Symbol ITOT VP mV Conditions VCC = 5 V, no video and sound input No video and sound input Video input = 0.625 V[p-p] 10-staircase wave Min 18 83 73 77 81 Typ 22 85 80 Max 26 87 79 83 87 Unit mA dBm % 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% C 81% to 87% 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 s Electrical Characteristics at VCC = 5 V, Ta = 25C (continued) Parameter Video output difference between channels Video modulation coefficient difference between channels Maximum video modulation coefficient P/S ratio Sound modulation coefficient Maximum sound modulation coefficient Sound S/N Sync. distortion Differential gain Differential phase Sound modulation distortion Sound oscillation frequency Driver output voltage at ANT SW on At ANT SW off Driver output voltage ANT SW RF carrier off voltage ANT SW RF carrier on voltage Chroma beat In-band beat Video input impedance Sound input impedance Video output level Temperature characteristics Video modulation coefficient Temperature characteristics mT COFF CON IM Beat RV RA VPT Ta = 25C reference Ta = -10C to +70C Ta = 25C reference Ta = -10C to +70C Ta = 25C reference Ta = -10C to +70C Ta = 25C reference Ta = -10C to +70C Symbol VP mV mVmax VPS fFM fFmax SNS Sync DG DP THD fSIF ASV ASRV Conditions No video and sound input Video input = 0.625 V[p-p] 10-staircase wave Video input = 1.0 V[p-p] 10-staircase wave No video and sound input Sound input = 245 mV[rms] f = 1 kHz, sine wave Sound input = 980 mV[rms] f = 1 kHz, ratio with fFM No video input m = 80% Full white signal m = 80% Staircase wave m = 80% Staircase wave fFM = 25 kHz VCC = 5 V VCC = 5 V, 13-pin open RF carrier off VCC = 5 V, 13-pin 5 V RF carrier on Load current 15 mA VCC = 5 V VCC = 5 V P/S = 12 dB, P/C = 18 dB, P = 66 dB, 3.58 MHz, sine wave AN3117S, AN3117SA Min -2 -2 88 9.5 23 3.6 55 Typ 0 0 93.5 12 25 4 63 -2.5 3 2 0.3 4.50 0 4.0 Max 2 2 97 14.5 27 4.4 Unit dB % % dB kHz dB % % deg % MHz V V 87.5 0.25 1.25 65 70 30 20 2 3 10 V V dB dB k k dB % % kHz Maximum video modulation coefficient mmaxT Temperature characteristics Sound oscillation Frequency stability fST Note) Measure in USA 3-ch. unless otherwise specified. 3 AN3117S, AN3117SA s Terminal Equivalent Circuits Pin No. 1 Pin name GND 1 Other ICs for Video Equivalent circuit Description Standard open voltage 2 P/S Adjustment pin 2 2 k P/S ratio becomes large when the capacitance connected between pin and GND increases. 2.7 V 3 RF OSC Control pin 3 10 k Pin to control RF OSC. Oscillation of RF becomes unstable when capacitance connected between pin and GND is too small. 4 SIF Oscillation pin 1 4 6.2 k 5 Reference bias source of oscillator. Sound buzz appears to decrease in sense of hearing when capacitance is connected between pin and GND to cut AC signal. Oscillation frequency is determined by the external tank circuit. 4.2 V 5 6 SIF Oscillation pin 2 Sound input pin Reference oscillator for 4.5 MHz sound modulator. Typical DC voltage is almost same as GND potential. If DC level of sound input signal is GND potential, an external coupling capacitor is not necessary. The circuit 6 20 k 4.2 V 0V configuration which is designed to minimize the voltage variation at power supply on makes less pop noise. 4 Other ICs for Video s Terminal Equivalent Circuits (continued) Pin No. 7 Pin name Channel switchover pin 7 4 k 8.6 k AN3117S, AN3117SA Equivalent circuit Description The oscillation output comes out from pin 9 when the channel switchover pin is open, and comes out from pin 10 when that pin is connected to GND. Standard open voltag 1.9 V 6.3 k 8 SAW/LC Oscillation switchover pin 2 k 8 2 k Power output of RF oscillator increases if this pin is opened. 0.3 V 9 RF oscillator emitter pin 1 Pin 9 and pin 10 are oscillator output pins which configure emitter output of NPN transistor. 4.0 V 4.3 V 4.3 V 4.0 V 10 RF oscillator emitter pin 2 9 10 11 RF oscillator base pin 11 3 k Pin11 is input of oscillator and impedance is 3 k. 3.7 V 12 Power supply pin 12 5 AN3117S, AN3117SA s Terminal Equivalent Circuits (continued) Pin No. 13 Pin name Antenna switch Equivalent circuit Description Other ICs for Video Standard open voltag 0.7 V When pin 13 is connected to V CC, RF oscillator and driver changeover pin are operated and when this pin 10.2 k 13 is open circuited, RF oscillator is stopped.In this state, no pop noise will not be made when antenna switch is turned on/off even if sound system is operating. 14 Antenna switch driver pin 2 k When pin 13 is connected to VCC, this pin voltage becomes 4.0 V. (RF oscillator operatesand load current is 15 mA) When pin 13 is open-cir14 8 k Pin 13: VCC 4.0 V (Load cureent in 15 mA) Pin 13: Open 0V cuited, this pin voltage is 0 V. (RF oscillator stops) 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 660 15 16 Video input pin The sync. peak value clamp system is adopted for input clamp circuit. This pin has a high input impedance to 16 2.0 V minimize sync. distortion. Pay attention to the sync. sag which is likely to occur when an external capacitor attached is 0.47 F or less. 6 White clip Video clamp GND Video in 1F MIX 1 16 Other ICs for Video Buff. P/S Adj. 22 pF 2 15 1 000 pF s Application Circuit Example RF out 3 2 200 pF ANT SW driver 14 1 000 pF 4 FM mod. 13 10 k VCC 5V 12 RF amp. Pre amp. 56 pF 5 100 k 1 F 6 10 k Audio in 820 pF 11 7 Channel SW 10 RF OSC 8 SAW/LC switchover 9 15 pF SAW AN3117S, AN3117SA 7 |
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