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MRF49XA-I/T датащи(PDF) 80 Page - Microchip Technology |
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MRF49XA-I/T датащи(HTML) 80 Page - Microchip Technology |
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80 / 102 page ![]() MRF49XA DS70590C-page 80 Preliminary © 2009-2011 Microchip Technology Inc. TABLE 5-1: RECOMMENDED OPERATING CONDITIONS Note 1: At minimum, VDD – 1.5V cannot be lower than 1.2V. 2: At maximum, VDD + 1.5V cannot be higher than 5.5V. TABLE 5-2: CURRENT CONSUMPTION(1) Note 1: Typical Values: TA = 25°C, VDD = 3.3V. Note 1: Typical Values: TA = 25°C, VDD = 3.3V. 2: Negative current is defined as the current sourced by the pin. Parameters Min Typ Max Unit Operating Temperature -40 — +85 °C Supply Voltage for RF, Analog and Digital Circuits 2.2 — 3.8 V Supply Voltage for Digital I/O 2.2 3.3 3.8 V DC Voltage on Open-Collector Outputs (RFP, RFN)(1,2) VDD–1.5 — VDD+1.5 V AC Peak Voltage on Open-Collector Outputs (RFP, RFN)(1) VDD–1.5 — VDD+1.5 V Chip mode Condition Min Typ Max Unit Sleep Sleep clock disabled, all blocks disabled — 0.3 1 μA Idle Oscillator and baseband enabled, clock output disabled —0.6 1.2 mA TX Power output – 0 dBm, 50Ω load, 433 MHz — 15 — mA 868 MHz — 16 — mA 915 MHz — 17 — mA TX At maximum output power, 433 MHz — 22 26 mA 868 MHz — 23 27 mA 915 MHz — 24 28 mA RX 433 MHz — 11 13 mA 868 MHz — 12 14 mA 915 MHz — 13 15 mA Low Battery Voltage Detector Current Consumption —— 0.5 1.7 μA Wake-up Timer Current Consumption —— 1.5 3.5 μA TABLE 5-3: I/O PIN INPUT SPECIFICATIONS(1) Symbol Characteristic Condition Min Typ Max Unit VIL Input Low Voltage — — — 0.3xVDD V VIH Input High Voltage — 0.7xVDD —— V IIL Input Low Leakage Current(2) VIL = 0V -1 — 1 μA IIH Input High Leakage Current VIH = VDD, VDD = 3.8V -1 — 1 μA VOL Digital Low Output Voltage lOL = 2 mA — — 0.4 V VOH Digital Low Output IOH = -2 mA VDD–0.4 — — V VLBTD Low Battery Threshold Detect Programmable in 0.1V steps 2.25 — 3.75 V |
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