CC2540_15 Datasheet, PDF (6/35 Pages) Texas Instruments – 2.4-GHz Bluetooth® low energy System-on-Chip

CC2540F128, CC2540F256
SWRS084F – OCTOBER 2010 – REVISED JUNE 2013
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RF TRANSMIT SECTION
Measured on Texas Instruments CC2540 EM reference design with T_A = 25°C, VDD = 3 V and f_c = 2440 MHz
PARAMETER
TEST CONDITIONS
MIN TYP MAX
Output power
Delivered to a single-ended 50-Ω load through a balun using
maximum recommended output power setting
4
Delivered to a single-ended 50-Ω load through a balun using minimum
recommended output power setting
–23
Programmable output power Delivered to a single-ended 50 Ω load through a balun
27
range
Conducted measurement with a 50-Ω single-ended load. Complies
Spurious emissions
with EN 300 328, EN 300 440 class 2, FCC CFR47, Part 15 and ARIB
–41
STD-T-66 ⁽¹⁾
TX mode, –23-dBm output power, no peripherals active, low MCU
activity, MCU at 250 kHz
21.1
TX mode, –6-dBm output power, no peripherals active, low MCU
activity, MCU at 250 kHz
23.8
Current consumption
TX mode, 0-dBm output power, no peripherals active, low MCU
activity, MCU at 250 kHz
27
TX mode, 4-dBm output power, no peripherals active, low MCU
activity, MCU at 250 kHz
31.6
Optimum load impedance
Differential impedance as seen from the RF port (RF_P and RF_N)
toward the antenna
70 + j30
UNIT
dBm
dB
dBm
mA
Ω
(1) Designs with antenna connectors that require conducted ETSI compliance at 64 MHz should insert an LC resonator in front of the
antenna connector. Use a 1.6-nH inductor in parallel with a 1.8-pF capacitor. Connect both from the signal trace to a good RF ground.
CURRENT CONSUMPTION WITH TPS62730
Measured on Texas Instruments CC2540TPS62730 EM reference design with T_A = 25°C, VDD = 3 V, and f_c = 2440 MHZ.
1 Mbps, GFSK, 250 kHz deviation, Bluetooth™ low energy mode, 1% BER⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
RX mode, standard mode, no peripherals active, low MCU activity, MCU at 1
MHZ
15.8
RX mode, high-gain mode, no peripherals active, low MCU activity, MCU at 1
MHZ
17.8
Current Consumption
TX mode, -23 dBm output power, no peripherals active, low MCU activity,
MCU at 1 MHZ
TX mode, -6 dBm output power, no peripherals active, low MCU activity,
MCU at 1 MHZ
16.5
mA
18.6
TX mode, 0 dBm output power, no peripherals active, low MCU activity,
MCU at 1 MHZ
21
TX mode, 4 dBm output power, no peripherals active, low MCU activity,
MCU at 1 MHZ
24.6
(1) 0.1% BER maps to 30.8% PER
6
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