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TH72011 Datasheet(PDF) 10 Page - Melexis Microelectronic Systems |
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TH72011 Datasheet(HTML) 10 Page - Melexis Microelectronic Systems |
10 / 20 page TH72011 433MHz FSK Transmitter 3901072011 Page 10 of 20 Data Sheet Rev. 011 Jun/12 4.5 AC Characteristics all parameters under normal operating conditions, unless otherwise stated; typical values at TA = 23 °C and VCC = 3 V; test circuit shown in Fig. 18, fc = 433.92 MHz Parameter Symbol Condition Min Typ Max Unit CW Spectrum Characteristics Output power in step 0 (Isolation in off-state) Poff ENTX=1 -70 dBm Output power in step 1 P1 ENTX=1 -13 -12 -10 1) dBm Output power in step 2 P2 ENTX=1 -3.5 -3 -1.5 1) dBm Output power in step 3 P3 ENTX=1 2 3 4.5 1) dBm Output power in step 4 P4 ENTX=1 4.5 8 10 1) dBm Phase noise L(fm) @ 200kHz offset -88 -83 dBc/Hz Spurious emissions according to EN 300 220-1 (2000.09) table 13 Pspur 47MHz< f <74MHz 87.5MHz< f <118MHz 174MHz< f <230MHz 470MHz< f <862MHz B=100kHz -54 dBm f < 1GHz, B=100kHz -36 dBm f > 1GHz, B=1MHz -30 dBm Start-up Parameters Start-up time ton from standby to transmit mode 0.8 1.2 ms Frequency Stability Frequency stability vs. supply voltage dfVCC ± 3 ppm Frequency stability vs. temperature dfTA crystal at constant temperature ± 10 ppm 1) output matching network tuned for 5V supply 4.6 Output Power Steps Power step 0 1 2 3 4 RPS / kΩ Ω Ω Ω < 3 22 56 120 not connected |
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