CC2541F256RHAR Datasheet, PDF (23/30 Pages) Texas Instruments – 2.4-GHz Bluetooth™ low energy and Proprietary System-on-Chip

CC2541
www.ti.com
SWRS110D – JANUARY 2012 – REVISED JUNE 2013
Table 2. Output Power and Current Consumption
Typical Output Power (dBm)
0
–20
Typical Current Consumption
(mA) ⁽¹⁾
18.2
16.8
Typical Current Consumption
With TPS62730 (mA)⁽²⁾
14.3
13.1
(1) Measured on Texas Instruments CC2541 EM reference design with T_A = 25°C, VDD = 3 V and f_c =
2440 MHz. See SWRU191 for recommended register settings.
(2) Measured on Texas Instruments CC2541 TPS62730 EM reference design with T_A = 25°C, VDD = 3 V
and f_c = 2440 MHz. See SWRU191 for recommended register settings.
TYPICAL CURRENT SAVINGS WHEN USING TPS62730
Current Consumption TX 0 dBm
Current Consumption RX SG
25
0
40
25
CLKCONMOD 0xBF
40
DC/DC OFF
DC/DC ON
DC/DC OFF
35
DC/DC ON
35
20
Current Savings
20
Current Savings
30
30
15
25
15
25
20
20
10
15
10
15
10
10
5
5
5
5
0
2.1
2.4
2.7
3
0
3.3
3.6
Supply (V)
Figure 20. Current Savings in TX at Room
Temperature
0
2.1
2.4
2.7
3
0
3.3
3.6
Supply (V)
Figure 21. Current Savings in RX at Room
Temperature
The application note (SWRA365) has information regarding the CC2541 and TPS62730 combo board and the
current savings that can be achieved using the combo board.
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