CC2531F128, CC2531F256

SWRS086A – SEPTEMBER 2009 – REVISED JUNE 2010

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RECOMMENDED OPERATING CONDITIONS

MIN

MAX

UNIT

–40

125

°C

Operating supply voltage

2

3.6

V

ELECTRICAL CHARACTERISTICS

2507 MHz.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

Digital regulator on. 16-MHz RCOSC running. No radio,

crystals, or peripherals active.

3.4

mA

32-MHz XOSC running. No radio or peripherals active.

6.5

8.9

mA

32-MHz XOSC running, radio in RX mode, –50-dBm input

20.5

mA

power, no peripherals active, CPU idle

32-MHz XOSC running, radio in RX mode at –100-dBm input

24.3

29.6

mA

power (waiting for signal), no peripherals active, CPU idle

32-MHz XOSC running, radio in TX mode, 1-dBm output

28.7

mA

Core current consumption

power, no peripherals active, CPU idle

32-MHz XOSC running, radio in TX mode, 4.5-dBm output

33.5

39.6

mA

power, no peripherals active, CPU idle

Power mode 1. Digital regulator on; 16-MHz RCOSC and

32-MHz crystal oscillator off; 32.768-kHz XOSC, POR, BOD

0.2

0.3

mA

and sleep timer active; RAM and register retention

Power mode 2. Digital regulator off; 16-MHz RCOSC and

32-MHz crystal oscillator off; 32.768-kHz XOSC, POR, and

1

2

mA

sleep timer active; RAM and register retention

Power mode 3. Digital regulator off; no clocks; POR active;

0.4

1

mA

RAM and register retention

Timer 1

Timer running, 32-MHz XOSC used

90

mA

Timer 2

Timer running, 32-MHz XOSC used

90

mA

Timer 3

Timer running, 32-MHz XOSC used

60

mA

Timer 4

Timer running, 32-MHz XOSC used

70

mA

Sleep timer

Including 32.753-kHz RCOSC

0.6

mA

Measured on CC2531 dongle reference design, 48-MHz clock

USB

0.1

mA

running, USB enabled

ADC

When converting

1.2

mA

Erase

1

mA

Flash

Burst write peak current

6

mA

(1)

Normal flash access means that the code used exceeds the cache storage, so cache misses happen frequently.

GENERAL CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

WAKE-UP AND TIMING

Digital regulator on, 16-MHz RCOSC and 32-MHz crystal

Power mode 1

→ active

4

ms

oscillator off. Start-up of 16-MHz RCOSC

Digital regulator off, 16-MHz RCOSC and 32-MHz crystal

Power mode 2 or 3

→ active

0.1

ms

oscillator off. Start-up of regulator and 16-MHz RCOSC

Initially running on 16-MHz RCOSC, with 32-MHz XOSC off

0.5

ms

Active

→ TX or RX

With 32-MHz XOSC initially on

192

ms

4

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