CC2500-RTY1 datasheet(7/96 Pages) TI

7 / 96 page

CC2500

SWRS040C

Page 7 of 89

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

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)

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).

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).

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

Only voltage regulator to digital part and crystal oscillator running

(IDLE state)

Current consumption

7.4

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

Receive mode, 2.4 kBaud, input at sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

14.5

Receive mode, 2.4 kBaud, input well above sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

17.3

Receive mode, 10 kBaud, input at sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

14.9

Receive mode, 10 kBaud, input well above sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

18.8

Receive mode, 250 kBaud, input at sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

15.7

Receive mode, 250 kBaud, input well above sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

16.6

Receive mode, 250 kBaud current optimized, input at sensitivity

limit, MDMCFG2.DEM_DCFILT_OFF=1

13.3

Receive mode, 250 kBaud current optimized, input well above

sensitivity limit, MDMCFG2.DEM_DCFILT_OFF=1

19.6

Receive mode, 500 kBaud, input at sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

Current consumption,

RX states

17.0

Receive mode, 500 kBaud, input well above sensitivity limit,

MDMCFG2.DEM_DCFILT_OFF

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