Microchip Technology TXRX Module 868 MHZ ULP SUB GHZ MRF89XAM8A-I/RM MRF89XAM8A-I/RM Data Sheet

DS70651A-page 24

© 2010 Microchip Technology Inc.

RSF

Sensitivity (FSK)

—

-107

—

dBm

869 MHz, BR = 25 kbps, 

 = 50 kHz, f

 = 100 kHz

—

-103

—

dBm

869 MHz, BR = 66.7 kbps, 

 = 100 kHz, f

 = 200 kHz

RSO

Sensitivity (OOK)

—

-113

—

dBm

869 MHz, 2 kbps NRZ

 – f

 = 50 kHz, f

 = 50 kHz

—

-106

—

dBm

869 MHz, 16.7 kbps NRZ

 – f

 = 100 kHz, f

 = 100 kHz

CCR

Co-Channel Rejection

—

-12

—

dBc

Modulation as wanted signal

ACR

Adjacent Channel Rejection

—

27

—

dB

Offset = 300 kHz, unwanted tone is 

not modulated

—

52

—

dB

Offset = 600 kHz, unwanted tone is 

not modulated

—

57

—

dB

Offset = 1.2 MHz, unwanted tone is 

not modulated

BI

Blocking Immunity

—

-48

—

dBm

Offset = 1 MHz, unmodulated

—

-37

—

dBm

Offset = 2 MHz, unmodulated, no 

SAW

—

-33

—

dBm

Offset = 10 MHz, unmodulated, no 

SAW

RXBWF

Receiver Bandwidth in FSK 

Mode

50

—

250

kHz

Single side BW, Polyphase Off

RXBWU

Receiver Bandwidth in OOK 

Mode

50

—

400

kHz

Single side BW, Polyphase On

ITP3

Input Third Order Intercept 

Point

—

-28

—

dBm

Interferers at 1 MHz and 1.950 MHz 

offset

TSRWF

Receiver Wake-up Time

—

280

500

µs

From FS to Rx ready

TSRWS

Receiver Wake-up Time

—

600

900

µs

From Stand-by to Rx ready

TSRHOP

Receiver Hop Time from Rx 

Ready to Rx Ready with a 

Frequency Hop

—

400

—

µs

200 kHz step

—

400

—

µs

1 MHz step

—

460

—

µs

5 MHz step

—

480

—

µs

7 MHz step

—

520

—

µs

12 MHz step

—

550

—

µs

20 MHz step

—

600

—

µs

27 MHz step

RSSIST

RSSI Sampling Time

—

—

1/f

s

From Rx ready

RSSTDR

RSSI Dynamic Range

—

70

—

dB

Ranging from sensitivity

Note 1: Guaranteed by design and characterization.

2: This reflects the whole receiver bandwidth, as described by conditions for active and passive filters.