CC2541F256RHAR Datasheet, PDF (22/30 Pages) Texas Instruments – 2.4-GHz Bluetooth™ low energy and Proprietary System-on-Chip

CC2541
SWRS110D – JANUARY 2012 – REVISED JUNE 2013
TYPICAL CHARACTERISTICS (continued)
RX SENSITIVITY
vs
SUPPLY VOLTAGE
−84
TX POWER
vs
SUPPLY VOLTAGE
4
1 Mbps GFSK 250 kHz
TX Power Setting = 0 dBm
Standard Gain Setting
T_A = 25°C
T_A = 25°C
−86
2
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−88
0
−90
−2
−92
2
−84
−86
2.2 2.4 2.6 2.8 3
Voltage (V)
Figure 16.
3.2 3.4 3.6
G007
RX SENSITIVITY
vs
FREQUENCY
1 Mbps GFSK 250 kHz
Standard Gain Setting
T_A = 25°C
V_CC = 3 V
−88
−4
2
4
2
2.2 2.4 2.6 2.8 3
Voltage (V)
Figure 17.
3.2 3.4 3.6
G008
TX POWER
vs
FREQUENCY
TX Power Setting = 0 dBm
T_A = 25°C
V_CC = 3 V
0
−90
−2
−92
2400
2410
2420
2430 2440 2450 2460
Frequency (MHz)
Figure 18.
2470
2480
G009
−4
2400
2410
2420
2430 2440 2450 2460
Frequency (MHz)
Figure 19.
2470
2480
G010
TXPOWER Setting
0xE1
0xD1
0xC1
0xB1
0xA1
0x91
0x81
0x71
0x61
0x51
0x41
0x31
Table 1. Output Power⁽¹⁾⁽²⁾
Typical Output Power (dBm)
0
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
–23
(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) 1 Mbsp, GFSK, 250-kHz deviation, Bluetooth™ low energy mode, 1% BER
22
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