I use MSP430FR5969 to control CC1120. After register configuration I put CC1120 in different mode of operations (TX, RX, SFSTXON, IDLE, XOFF and sleep) and put MCU in LPM3.
I measured the current in all these modes, in sleep mode the current consumption is higher than that consumed in XOFF mode which is abnormal.
I(XOFF) = 0.2 mA (0.17 mA in datasheet)
I(sleep) = 0.5 mA (0.001 mA in datasheet)