Data Sheet

Page 50
nRF51822 Product Specification v3.1
8.5.3 Radio current consumption with DC/DC enabled
Table 37 Radio current consumption with DC/DC enabled (NOC, VDD = 3 V)
Figure 11 DC/DC conversion factor as function of VDD
See Power chapter in the nRF51 Series Reference Manual on how to use the DC/DC conversion factor to
calculate the actual power consumption.
Symbol Description Note Min. Typ. Max. Units
Test
level
I
TX,+4dBm
TX only run current at P
OUT
= +4 dBm.
1
1. Valid for data rates 250 kbps, 1 Mbps, and 2 Mbps.
11.8 mA 2
I
TX,0dBm
TX only run current at P
OUT
= 0 dBm.
1
8.0 mA 2
I
TX,-4dBm
TX only run current at P
OUT
= -4 dBm.
1
6.3 mA 2
I
TX,-8dBm
TX only run current at P
OUT
= -8 dBm.
1
5.6 mA 2
I
TX,-12dBm
TX only run current at P
OUT
= -12 dBm.
1
5.3 mA 2
I
TX,-16dBm
TX only run current at P
OUT
= -16 dBm.
1
5.0 mA 2
I
TX,-20dBm
TX only run current at P
OUT
= -20 dBm.
1
4.7 mA 2
I
TX,-30dBm
TX only run current at P
OUT
= -30 dBm.
1
4.7 mA 2
I
RX,1M
RX only run current at 1 Mbps. 9.7 mA 2
0,600
0,700
0,800
0,900
1,000
1,100
2,1 2,3 2,5 2,7 2,9 3,1 3,3 3,5
Tx - 1 Mbit (-12 dBm)
Tx - 1 Mbit (0 dBm)
Rx - 1Mbit
Tx - 1 Mbit (+4 dBm)
DC/DC conversion Factor
Supply Voltage (VDD)
Conversion Factor (F
DCDC
)