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Rainbow Electronics RC1290 User Manual

Page 15

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RC1240/1280/1290

2005 Radiocrafts AS

RC1240/RC1280/RC1290 Data Sheet (rev. 1.3)

Page 15 of 17

Blocking / Interferer rejection /

desensitization

+/- 1 MHz

+/- 2 MHz

+/- 5 MHz

+/- 10 MHz

40

40

50

60

60

60

70

75

dB

Wanted signal3 dB above

sensitivity level, CW interferer.

Minimum numbers corresponds

to class 2 receiver

requirements in EN300220.

Saturation

10

dBm

Input IP3

-18

dBm

Spurious emission, RX

RC1240/RC1280

RC1290

-57

-49

dBm

Supply voltage

2.8

5.5

V

Supply voltage rise time

150

us

If appropriate rise time can not

be guaranteed, the RESET pin

should be activated after

supply voltage is stable.

Current consumption, RX/IDLE

RC1240

RC1280

RC1290

20.2

20.7

20.7

mA

Apply over entire supply

voltage range

Current consumption, TX

RC1240, 6 dBm

RC1280, 3 dBm

RC1290, -1 dBm

26

28

22.9

mA

Apply over entire supply

voltage range

Current consumption, SLEEP

0.9

1.5

mA

Max value in bold apply over

the entire temperature and

supply voltage range

Current consumption, OFF

0.003

1.5

µA

Max value in bold apply over

the entire temperature and

supply voltage range

Digital I/O

Input logic level, low

Input logic level, high

Output logic level, low (1µA)

Output logic level, high(-1µA)

1.7

0

2.6

0.7

5.5

0.1

2.7

V

RXEN, TXEN, CONFIG, TXD

and RXD have internal 100 k

series resistors. No internal

pull-ups. Outputs should not be

loaded resistively.

RESET pin

Input logic level, low

Input logic level, high

1.7

0.7

2.7

V

Internal 100 k pull-up resistor

to VDD

ON/OFF pin

Input logic level, low

Input logic level, high

1.4

0.4

VCC

V

No internal pull-up resistor