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CC2500-RTY1 数据表(PDF) 7 Page - Texas Instruments |
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CC2500-RTY1 数据表(HTML) 7 Page - Texas Instruments |
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7 / 99 page  CC2500 SWRS040C Page 7 of 89 4 Electrical Specifications 4.1 Current Consumption Tc = 25 C, VDD = 3.0 V if nothing else stated. All measurement results obtained using the CC2500EM reference design ([4]). Parameter Min Typ Max Unit Condition/Note 400 nA Voltage regulator to digital part off, register values retained (SLEEP state). All GDO pins programmed to 0x2F (HW to 0) 900 nA Voltage regulator to digital part off, register values retained, low- power RC oscillator running (SLEEP state with WOR enabled) 92 A Voltage regulator to digital part off, register values retained, XOSC running (SLEEP state with MCSM0.OSC_FORCE_ON set) Current consumption in power down modes 160 A Voltage regulator to digital part on, all other modules in power down (XOFF state) 8.1 A Automatic RX polling once each second, using low-power RC oscillator, with 460 kHz filter bandwidth and 250 kBaud data rate, PLL calibration every 4 th wakeup. Average current with signal in channel below carrier sense level (MCSM2.RX_TIME_RSSI=1). 35 A Same as above, but with signal in channel above carrier sense level, 1.95 ms RX timeout, and no preamble/sync word found. 1.4 A Automatic RX polling every 15 th second, using low-power RC oscillator, with 460 kHz filter bandwidth and 250 kBaud data rate, PLL calibration every 4 th wakeup. Average current with signal in channel below carrier sense level (MCSM2.RX_TIME_RSSI=1). 34 A Same as above, but with signal in channel above carrier sense level, 29.3 ms RX timeout, and no preamble/sync word found. 1.5 mA Only voltage regulator to digital part and crystal oscillator running (IDLE state) Current consumption 7.4 mA Only the frequency synthesizer is running (FSTXON state). This current consumption is also representative for the other intermediate states when going from IDLE to RX or TX, including the calibration state. 17.0 mA Receive mode, 2.4 kBaud, input at sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 14.5 mA Receive mode, 2.4 kBaud, input well above sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 17.3 mA Receive mode, 10 kBaud, input at sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 14.9 mA Receive mode, 10 kBaud, input well above sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 18.8 mA Receive mode, 250 kBaud, input at sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 15.7 mA Receive mode, 250 kBaud, input well above sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 16.6 mA Receive mode, 250 kBaud current optimized, input at sensitivity limit, MDMCFG2.DEM_DCFILT_OFF=1 13.3 mA Receive mode, 250 kBaud current optimized, input well above sensitivity limit, MDMCFG2.DEM_DCFILT_OFF=1 19.6 mA Receive mode, 500 kBaud, input at sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 Current consumption, RX states 17.0 mA Receive mode, 500 kBaud, input well above sensitivity limit, MDMCFG2.DEM_DCFILT_OFF =0 |
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