MRF89XA-I/MQ Microchip Technology, MRF89XA-I/MQ Datasheet - Page 118

• Manufacturer Part Number: MRF89XA-I/MQ
• Description: TXRX ISM SUB-GHZ ULP 32QFN
• Manufacturer: Microchip Technology

Specifications of MRF89XA-I/MQ

• Package / Case: 32-WFQFN Exposed Pad
• Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz, 950MHz ~ 960MHz
• Data Rate - Maximum: 200kbps
• Modulation Or Protocol: FSK, OOK
• Applications: ISM
• Power - Output: 12.5dBm
• Sensitivity: -113dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 3mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 863 MHz to 870 MHz, 902 MHz to 928 MHz, 950 MHz to 960 MHz
• Interface Type: SPI
• Noise Figure: - 112 dBc
• Output Power: - 8.5 dBm, + 12.5 dBm
• Operating Supply Voltage: 2.1 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Data Rate: 256 Kbps
• Maximum Supply Current: 25 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MRF89XA
5.4.2
FIGURE 5-8:
FIGURE 5-9:
DS70622B-page 118
Note:
-25
-100
SENSITIVITY VS. LO DRIFT
In FSK mode, the default filter setting (“A3” at address 0x16) is kept, leading to f
0x16, leading to (
the demodulator response and not the filter response.
-20
-80
FSK SENSITIVITY LOSS VS. LO DRIFT
OOK SENSITIVITY LOSS VS. LO DRIFT
-15
f
-60
c
–
f
o
) = 95 kHz typical. Both of these settings ensure that the channel filter is wide enough, therefore characterizing
-10
-40
-5
-20
Preliminary
LO Drift [kHz]
LO Drift [kHz]
-1.0
-1.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
0
20
5
c
= 96 kHz typical. In OOK mode, “F3” is set at address
40
10
© 2010 Microchip Technology Inc.
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15
80
20
100
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