MRF89XAM8A-I Datasheet, PDF (106/140 Pages) Microchip Technology – Ultra Low-Power, Integrated ISM Band Sub-GHz Transceiver

MRF89XA
TABLE 5-5: RECEIVER AC CHARACTERISTICS⁽¹⁾
Symbol
Parameter
Min Typ Max Unit
Condition
RSF
Sensitivity (FSK)
RSO
Sensitivity (OOK)
CCR
Co-Channel Rejection
— -107 — dBm 869 MHz, BR = 25 kbps,
f_dev = 50 kHz, f_c = 100 kHz
— -103 — dBm 869 MHz, BR = 66.7 kbps,
f_dev = 100 kHz, f_c = 200 kHz
— -105
—
dBm 915 MHz, BR = 25 kbps, f_dev = 50
kHz, f_c = 100 kHz
— -101 — dBm 915 MHz, BR = 66.7 kbps,
f_dev = 100 kHz, f_c = 200 kHz
— -113 — dBm 869 MHz, 2kbps NRZ
f_c – f_o = 50 kHz, f_o = 50 kHz
— -106 — dBm 869 MHz, 16.7 kbps NRZ
f_c – f_o = 100 kHz, f_o = 100 kHz
—
-111
—
dBm 915 MHz, 2 kbps NRZ
f_c – f_o = 50 kHz, f_o = 50 kHz
— -105 — dBm 915 MHz, 16.7 kbps NRZ
f_c – f_o = 100 kHz, f_o = 100 kHz
—
-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 50
—
250 kHz Single side BW, Polyphase Off
Mode⁽²⁾
RXBWU Receiver Bandwidth in OOK 50
—
400 kHz Single side BW, Polyphase On
Mode⁽²⁾
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 — 400
—
Ready to RX Ready with a
Frequency Hop
— 400
—
— 460
—
µs 200 kHz step
µs 1 MHz step
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
RSSTDR RSSI Dynamic Range
—
—
1/f_dev
s From RX ready
—
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.
DS70622C-page 106
Preliminary
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