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MC44144 101pcs , SOP,SUBCARRIER PHASE-LOCKED LOOP
Partno Mfg Dc Qty Available
MC44144 N/a 101
MC44144 from MOTOROLA, Motorola 4499pcs , SOP8,SUBCARRIER PHASE-LOCKED LOOP
MC44144 from MOT, Motorola 67pcs , SOP8,SUBCARRIER PHASE-LOCKED LOOP
ELECTRICAL CHARACTERISTICS (V = 5.0 Vdc, T = 25°C)CC ACharacteristic Pin Min Typ Max UnitOperating Current 8 8.0 10 12 mABurst Gate Threshold Voltage: V 7 3.0 – – VdcIHV – – 1.5ILBurst Gate Input Current: I (V = 5.0 V) – – 20 μAIH inI (V = 0 V) – – –0.5IL in4X Subcarrier 5Output Voltage: (14.32 MHz) 400 610 650 mVppOutput Voltage: (17.73 MHz) – 450 –Output Impedance: (14.3 MHz and 17.73 MHz) – 25 – ΩSubcarrier OutputOutput Voltage: (3.58 MHz and 4.43 MHz) 200 300 400 mVppOutput Impedance: (3.58 MHz and 4.43 MHz) 1 – 200 – ΩPhase Angle (Note 1) – –60 – degPhase Sensitivity (Notes 1 & 2) – 3.0 – Note 2Static Phase Error (Note 2) 1, 2 – 3 – deg/100 HzPhase–Locked Loop Pull–In Range – ± 350 – HzPhase–Locked Loop Hold–In Range – ± 500 –NOTES: 1. Referenced to composite video input color burst.NOTES: 2. See paragraph 1 of the Functional Description text.Figure 1. Typical VCXO Gain14.322 17.745KOPALTable 1. Crystal Specifications17.740 Frequency 14.31818 MHz (NTSC)14.32017.734475 MHz (PAL)KONTSCMode Fundamental17.73514.318Frequency Tolerance@ 25°C40 ppm14.316 17.730df/dfo 0°C–70°CLoad Capacitance 20 pFThe gain must be estimated from the 14.314 17.725operating point. KO is the gain for ESR 50 ΩPALPAL applications and KO is the NTSCC1 (Internal Series Capacitance) 15 mpFgain for NTSC applications.14.312 17.719–1.0 0 1.0 2.0 3.0 4.0 5.0 6.0VCO CONTROL VOLTAGE (PIN 3 VOLTAGE) (V)2 MOTOROLA ANALOG IC DEVICE DATA4Xf , OUTPUT (PIN 5) FREQUENCY (MHz)scFOR NTSC4Xf , OUTPUT (PIN 5) FREQUENCY (MHz)scFOR PALMC44144Figure 2. Representative Schematic Diagram4X CompositeSubcarrierVideoOutput+ 5.0Burst75Gate1.0n1.0k0.1μ8 7 6 5Video InClamp InClamp OutGate PulsePhaseVoltageReferenceDetectorReference SubcarrierVideo Clamp2.6VPhase Det OutVoltage4X RefControlOutInputSubcarrierVCODivide by 4Reference4X RefOutputCrystalDrive1 2 3 414.32/17.73MHz1.0n1.0k47k5.0 to 25p470p0.1μSubcarrierOutputMAXIMUM RATINGSRating Symbol Value UnitSupply Voltage V 6.0 VdcCCOperating Ambient Temperature T 0° to +70 °CAStorage Temperature Range T – 65 to +150 °CstgOperating Junction Temperature T +150 °CJRECOMMENDED OPERATING CONDITIONSCharacteristic Pin Symbol Min Typ Max UnitSupply Voltage 8 V 4.5 5.0 5.5 VdcCCComposite Video Input (Note 1) 6 mVppBurst Amplitude to Acquire Lock – 50 300 1000NOTE: 1. Total peak–to–peak voltage of video should not exceed ground or V .CC

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