NRF51822-CFAC-R7 datasheet(51/130 Pages) NORDIC

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Page 51

nRF51822 Product Specification v3.3

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 chapter 12 Power management 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

ITX,+4dBm

TX only run current at POUT = +4 dBm.

1. Valid for data rates 250 kbps, 1 Mbps, and 2 Mbps.

11.8

ITX,0dBm

TX only run current at POUT = 0 dBm.

8.0

ITX,-4dBm

TX only run current at POUT = -4 dBm.

6.3

ITX,-8dBm

TX only run current at POUT = -8 dBm.

5.6

ITX,-12dBm

TX only run current at POUT = -12 dBm.

5.3

ITX,-16dBm

TX only run current at POUT = -16 dBm.

5.0

ITX,-20dBm

TX only run current at POUT = -20 dBm.

4.7

ITX,-30dBm

TX only run current at POUT = -30 dBm.

4.7

IRX,1M

RX only run current at 1 Mbps.

9.7

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 Mbps (-12 dBm)

Tx - 1 Mbps (0 dBm)

Rx - 1 Mbps

Tx - 1 Mbps (+4 dBm)

DC/DC conversion Factor

Supply Voltage (VDD)

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