CC2540F128, CC2540F256

SWRS084F – OCTOBER 2010 – REVISED JUNE 2013

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RF TRANSMIT SECTION

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Delivered to a single-ended 50-

Ω load through a balun using

4

maximum recommended output power setting

Output power

dBm

Delivered to a single-ended 50-

Ω load through a balun using minimum

–23

recommended output power setting

Programmable output power

Delivered to a single-ended 50

Ω load through a balun

27

dB

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

dBm

TX mode, –23-dBm output power, no peripherals active, low MCU

21.1

activity, MCU at 250 kHz

TX mode, –6-dBm output power, no peripherals active, low MCU

23.8

activity, MCU at 250 kHz

Current consumption

mA

TX mode, 0-dBm output power, no peripherals active, low MCU

27

activity, MCU at 250 kHz

TX mode, 4-dBm output power, no peripherals active, low MCU

31.6

activity, MCU at 250 kHz

Differential impedance as seen from the RF port (RF_P and RF_N)

Optimum load impedance

70 + j30

Ω

toward the antenna

(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

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

15.8

MHZ

RX mode, high-gain mode, no peripherals active, low MCU activity, MCU at 1

17.8

MHZ

TX mode, -23 dBm output power, no peripherals active, low MCU activity,

16.5

MCU at 1 MHZ

Current Consumption

mA

TX mode, -6 dBm output power, no peripherals active, low MCU activity,

18.6

MCU at 1 MHZ

TX mode, 0 dBm output power, no peripherals active, low MCU activity,

21

MCU at 1 MHZ

TX mode, 4 dBm output power, no peripherals active, low MCU activity,

24.6

MCU at 1 MHZ

(1)

0.1% BER maps to 30.8% PER

6

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