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U2782B Datasheet(PDF) 3 Page - TEMIC Semiconductors |
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U2782B Datasheet(HTML) 3 Page - TEMIC Semiconductors |
3 / 10 page U2782B TELEFUNKEN Semiconductors Rev. A4, 17-Oct-97 3 (10) Thermal Resistance Parameters Symbol Value Unit Junction ambient SSO20 Rthja 140 K/W Electrical Characteristics Tamb = 25 _C, VS = 2.7 to 5.5 V, VScp = 5 V, unless otherwise specified Parameters Test conditions Symbol Min. Typ. Max. Unit DC Supply Supply current VS = 3V, SPD1 = SPD2 = 0 IS 0.5 0.8 1.1 mA Supply current VS = 3V, SPD1 = SPD2 = 1 IS 7 11 13 mA Supply current CP VCP = 5 V, PLL in lock condition ICP 0 1 10 µA PLL 1 + PLL2 Input voltage fRFi1 = 200 – 1100 MHz VRFi1 20 200 mVRMS Scaling factor prescaler SPSC 64/65 Scaling factor main counter SM 5 2047 Scaling factor swallow counter SS 0 63 Reference counter SR 5 4096 Reference oscillator Recommended crystal series resistance 10 200 W External reference input frequency AC coupled sinewave RF/2 = 0 RF/2 = 1 OSCi 1 1 20 40 MHz External reference input amplitude AC coupled sinewave 2) OSCi 100 mVRMS Logic input levels (Clock, Data, Enable, HPD1, HPD2, 5I) High input level ViH 1.5 V Low input level ViL 0 0.4 V High input current IiH –5 5 mA Low input current IiL –5 5 mA Logic output levels (Port 0, 1, 2, 3, 4, Lock) Leakage current VOH = 5.5 V IL 10 mA Saturation voltage IOL = 0.5 mA VSL 0.4 V Charge pump output (Rset = tbd.) Source current VCP x VScp/2 PLL2 5I = L PLL1 5I = H PLL1 Isource – 1 –0.2 –1 mA Sink current VCP x VScp/2 PLL2 5I = L PLL1 5I = H PLL1 Isink 1 0.2 1 mA Leakage current VCP x VScp/2 IL "5 nA 1) RMS voltage at 50 W; 2) OSCo is open if an external reference frequency is applied |
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