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MC33493 Datasheet(PDF) 9 Page - Motorola, Inc |
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MC33493 Datasheet(HTML) 9 Page - Motorola, Inc |
9 / 20 page ELECTRICAL CHARACTERISTICS MOTOROLA MC33493 Technical Data 9 2.30 Phase Noise 315 & 434MHz bands, ±175kHz from fcarrier --75 -68 dBc/ Hz 2.31 868MHz band, ±175kHz from fcarrier --73 -66 dBc/ Hz 2.32 PLL Lock-in Time, tPLL_lock_in fcarrier within 30kHz from the final value, crystal series resistor=150 Ω - 400 1600 µs 2.33 XTAL1 Input Capacitance - 1 - pF 2.34 Crystal Resistance OOK modulation - 20 200 Ω 2.44 FSK modulation 20 50 2.35 OOK Modulation Depth 75 90 - dBc 2.36 FSK Modulation Carrier Frequency Total Deviation 315 & 434MHz bands, see note 1 - - 100 kHz 2.37 868MHz band, see note 1 - - 200 kHz 2.38 CFSK Output Resistance MODE=0, DATA=x MODE=1, DATA=0 50 70 - k Ω 2.39 MODE=1, DATA=1 - 90 300 Ω 2.43 CFSK Output Capacitance - 1 - pF 2.40 Data Rate Manchester coding - - 10 kBit/s 2.41 Data to RF delay difference between falling and rising edges, tdelay_difference MODE=0, see note 2 3.5 5.25 7.5 µs 2.42 MODE=1, see note 2 -200 - 200 ns Note 1: This parameter is depending on crystal characteristics, load capacitor values (see Table 6) and PCB track capacitance. Note 2: Delay difference definition ELECTRICAL CHARACTERISTICS Unless otherwise specified, voltage range Vcc=[Vshutdown;3.6V], temperature range TA=[-40°C;+125°C], Rext=12kΩ+/-5%, RF output frequency fcarrier=433.92MHz, reference frequency freference=13.560MHz, output load RL=50Ω+/-1% (figure 9). Values refer to the circuit shown in the recommended application schematics: figure 12 (14) for OOK (FSK) modulation. Typical values reflect average measurement at VCC=3V, TA=25°C. Parameter Test Conditions, Comments Limits Unit Min. Typ. Max. Input data Demodulated data tdelay_rise tdelay_fall From 50% of data edge to corresponding tdelay_difference=tdelay_fall-tdelay_rise demodulated signal envelope edge: Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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