CC2540T_15 Datasheet, PDF (20/37 Pages) Texas Instruments – SimpleLink CC2540T 2.4-GHz Bluetooth Low Energy Wireless MCU

CC2540T
SWRS172 – JULY 2014
www.ti.com
Typical Characteristics (continued)
-87
-87.2
-87.4
-87.6
-87.8
-88
-88.2
-88.4
-88.6
-88.8
-89
2
2.2 2.4 2.6 2.8 3 3.2 3.4 3.6
Supply Voltage (V)
Gain = Standard Setting
T_A = 25°C
Figure 4-13. RX Sensitivity vs Supply Voltage
5
4.8
4.6
4.4
4.2
4
3.8
3.6
3.4
3.2
3
2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6
Supply Voltage (V)
T_A = 25°C
TX Power Setting = 4 dBm
Figure 4-14. TX Power vs Supply Voltage
-87
-87.2
-87.4
-87.6
-87.8
-88
-88.2
-88.4
-88.6
-88.8
-89
2400
2420
Gain = Standard Setting
T_A = 25°C
V_CC = 3 V
2440
2460
Frequency (MHz)
2480
Figure 4-15. RX Sensitivity vs Frequency
70
60
50
40
30
20
10
0
-10
2400
2420
2440
2460
Frequency (MHz)
2480
T_A = 25°C
Wanted Signal at 2426 MHz with –67 dBm Level
V_CC = 3 V
Gain = Standard Setting
Figure 4-16. RX Interferer Rejection (Selectivity) vs Interferer
Frequency
T_A = 25°C
TX Power Setting = 4 dBm
V_CC = 3 V
5
4.8
4.6
4.4
4.2
4
3.8
3.6
3.4
3.2
3
2400
2420
2440
2460
Frequency (MHz)
2480
Figure 4-17. TX Power vs Frequency
20
Specifications
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