CC1100-RTR1 datasheet(8/100 Pages) TI1

8 / 100 page

CC1100

SWRS038D

Page 8 of 92

Electrical Specifications

4.1

Current Consumption

Tc = 25

°C, VDD = 3.0V if nothing else stated. All measurement results are obtained using the CC1100EM reference designs

([5] and [6]).

Reduced current settings (MDMCFG2.DEM_DCFILT_OFF=1) gives a slightly lower current consumption at the cost of a

reduction in sensitivity. See Table 5 for additional details on current consumption and sensitivity.

Parameter

Min

Typ

Max

Unit

Condition

400

Voltage regulator to digital part off, register values retained

(SLEEP state). All GDO pins programmed to 0x2F (HW to 0)

900

Voltage regulator to digital part off, register values retained, low-

power RC oscillator running (SLEEP state with WOR enabled

µA

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

µA

Voltage regulator to digital part on, all other modules in power

down (XOFF state)

9.8

µA

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).

34.2

µA

Same as above, but with signal in channel above carrier sense

level, 1.95 ms RX timeout, and no preamble/sync word found.

1.5

µA

Automatic RX polling every 15

th second, using low-power RC

oscillator, with 460kHz 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

µA

Same as above, but with signal in channel above carrier sense

level, 29.3 ms RX timeout, and no preamble/sync word found.

1.6

Only voltage regulator to digital part and crystal oscillator running

(IDLE state)

Current consumption

8.2

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.

15.1

Receive mode, 1.2 kBaud, reduced current, input at sensitivity

limit

13.9

Receive mode, 1.2 kBaud, reduced current, input well above

sensitivity limit

14.9

Receive mode, 38.4 kBaud, reduced current, input at sensitivity

limit

14.1

Receive mode,38.4 kBaud, reduced current, input well above

sensitivity limit

15.9

Receive mode, 250 kBaud, reduced current, input at sensitivity

limit

14.5

Receive mode, 250 kBaud, reduced current, input well above

sensitivity limit

27.0

Transmit mode, +10 dBm output power

14.8

Transmit mode, 0 dBm output power

Current consumption,

315MHz

12.3

Transmit mode, –6 dBm output power

CC1100-RTR1 Datasheet(PDF) 8 Page - Texas Instruments

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