Datenblatt-Suchmaschine für elektronische Bauteile |
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MC145444DW Datenblatt(PDF) 3 Page - Motorola, Inc |
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MC145444DW Datenblatt(HTML) 3 Page - Motorola, Inc |
3 / 12 page MC145444 MOTOROLA 3 DC ELECTRICAL CHARACTERISTICS (VCC = + 5.0 V ± 10%, TA = – 20 to + 70°C) Characteristic Symbol Conditions Min Typ Max Unit Input Voltage H Level VIH 3.15 — — V L Level VIL — — 1.1 Output Voltage H Level VOH IOH = 20 µA VCC – 0.1 VCC – 0.01 — V L Level VOL IOL = 20 µA IOL = 2 mA — — 0.01 — 0.1 0.4 Input Current DATA, SCK, E, TxD Iin Vin = VCC or GND — ± 1.0 ± 10.0 µA Quiescent Supply Current ICC FSK Mode — 8 — mA Power–Down Supply Current ICC Power–Down Mode 1 — — 300 µA Power–Down Supply Current ICC Power–Down Mode 2 — — 1 µA TRANSMIT CARRIER CHARACTERISTICS (VCC = + 5.0 V ± 10%, TA = – 20 to + 70°C) Characteristic Symbol Conditions Min Typ Max Unit Carrier Frequency Channel 1 Mark ‘‘1’’ f1M Cl F 974 980 986 Hz Space ‘‘0’’ f1S Crystal Frequency 1174 1180 1186 Carrier Frequency Channel 2 Mark ‘‘1’’ f2M Crystal Frequency 3.579545 MHz 1644 1650 1656 Space ‘‘0’’ f2S 3.579545 MHz 1844 1850 1856 Answer Tone fans 2094 2100 2106 Transmit Carrier Level VO* Attenuator 0 dB — 6 — dBm Second Harmonic Energy V2h* Attenuator = 0 dB RTLA = ∞ — – 46 — dBm Out–of–Band Energy VOE* RTLA = ∞ Figure 1 dBm *VTXA1 – VTXA2, RL = 1.2 kΩ TRANSMIT ATTENUATOR CHARACTERISTICS (VCC = + 5.0 V ± 10%, TA = – 20 to + 70°C) Characteristic Symbol Conditions Min Typ Max Unit Attenuator Range ARNG 0 — 15 dB Attenuator Accuracy AACC – 0.5 — + 0.5 dB RECEIVER CHARACTERISTICS (Includes Hybrid, Demodulator and Carrier Detector) (VCC = + 5.0 V ± 10%, TA = – 20 to + 70°C) Characteristic Symbol Conditions Min Typ Max Unit Input Impedance RIRX RxA Pin (Pin 19) 50 — — k Ω Receiver Carrier Amplitude VIRX – 48 — – 12 dBm Carrier Detect OFF to ON VCDON CDA = 1.2 V fi 1 0 kHz — – 44 — dBm Threshold ON to OFF VCDOF fin = 1.0 kHz — – 47 — Hysterisis (VCDON – VCCDOF) HVS 2 — — dB Carrier Detect Timing OFF to ON T CD1 = 0, CD0 = 0 — 450 — ms TCDON CD1 = 0, CD0 = 1 — 15 — TCDON CD1 = 0, CD1 = 1 — 15 — CD1 = 1, CD0 = 1 — 80 — ON to OFF T CD1 = 0, CD0 = 0 — 30 — TCDOFF CD1 = 0, CD0 = 1 — 30 — TCDOFF CD1 = 0, CD0 = 1 — 15 — CD1 = 1, CD0 = 1 — 10 — |
Ähnliche Teilenummer - MC145444DW |
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