Specifications

CC1101
SWRS061I Page 9 of 98
4 Electrical Specifications
4.1 Current Consumption
T
A
= 25C, VDD = 3.0 V if nothing else stated. All measurement results are obtained using the CC1101EM reference designs
([1] and [2]). Reduced current settings (MDMCFG2.DEM_DCFILT_OFF=1) gives a slightly lower current consumption at the cost
of a reduction in sensitivity. See Table 7 for additional details on current consumption and sensitivity.
Parameter
Min
Typ
Max
Unit
Condition
Current consumption in power
down modes
0.2
1
A
Voltage regulator to digital part off, register values retained
(SLEEP state). All GDO pins programmed to 0x2F (HW to 0)
0.5
A
Voltage regulator to digital part off, register values retained, low-
power RC oscillator running (SLEEP state with WOR enabled)
100
A
Voltage regulator to digital part off, register values retained,
XOSC running (SLEEP state with MCSM0.OSC_FORCE_ON set)
165
A
Voltage regulator to digital part on, all other modules in power
down (XOFF state)
Current consumption
8.8
A
Automatic RX polling once each second, using low-power RC
oscillator, with 542 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)
35.3
A
Same as above, but with signal in channel above carrier sense
level, 1.96 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 542 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)
39.3
A
Same as above, but with signal in channel above carrier sense
level, 36.6 ms RX timeout, and no preamble/sync word found
1.7
mA
Only voltage regulator to digital part and crystal oscillator running
(IDLE state)
8.4
mA
Only the frequency synthesizer is running (FSTXON state). This
currents consumption is also representative for the other
intermediate states when going from IDLE to RX or TX, including
the calibration state
Current consumption,
315 MHz
15.4
mA
Receive mode, 1.2 kBaud, reduced current, input at sensitivity
limit
14.4
mA
Receive mode, 1.2 kBaud, register settings optimized for
reduced current, input well above sensitivity limit
15.2
mA
Receive mode, 38.4 kBaud, register settings optimized for
reduced current, input at sensitivity limit
14.3
mA
Receive mode, 38.4 kBaud, register settings optimized for
reduced current, input well above sensitivity limit
16.5
mA
Receive mode, 250 kBaud, register settings optimized for
reduced current, input at sensitivity limit
15.1
mA
Receive mode, 250 kBaud, register settings optimized for
reduced current, input well above sensitivity limit
27.4
mA
Transmit mode, +10 dBm output power
15.0
mA
Transmit mode, 0 dBm output power
12.3
mA
Transmit mode, –6 dBm output power