MRF49XA-I/ST Microchip Technology, MRF49XA-I/ST Datasheet - Page 87

• Manufacturer Part Number: MRF49XA-I/ST
• Description: IC RF TXRX 433/868/915 16-TSSOP
• Manufacturer: Microchip Technology

Specifications of MRF49XA-I/ST

• Package / Case: 16-TSSOP
• Frequency: 433MHz, 868MHz, 915MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FHSS, FSK
• Applications: Home / Industrial Automation, Remote Access, Security Alarms
• Power - Output: 7dbm
• Sensitivity: -110dBm
• Voltage - Supply: 2.2 V ~ 3.8 V
• Current - Receiving: 11mA
• Current - Transmitting: 15mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 1
• Number Of Transmitters: 2
• Wireless Frequency: 433 MHz to 915 MHz
• Output Power: + 7 dBm
• Operating Supply Voltage: 2.5 V, 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Modulation: FHSS, FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 579-MRF49XA-1/ST

Table 5-9 shows the optimal receiver baseband band-
width and transmitter deviation frequency (Δf
tings for different data rates, considering no TX/RX
offset frequency. If the TX/RX offset (for example, due
to crystal tolerances) has to be taken into account,
increase the BW accordingly.
TABLE 5-9:
© 2009 Microchip Technology Inc.
in kHz
in kHz
Baud
Rate
ΔTX
BW
Δf
1.2 kbps
BW – 67
FSK
– 45
RX BW AND TX DEVIATION FREQUENCY FOR DIFFERENT BAUD RATES
Δf
2.4 kbps
BW – 67
FSK
– 45
Δf
4.8 kbps
BW – 67
FSK
– 45
FSK
) set-
Preliminary
Δf
9.6 kbps
BW – 67
FSK
– 45
19.2 kbps
Δf
BW – 67
FSK
– 45
Δf
38.4 kbps
BW – 134
FSK
– 90
MRF49XA
57.6 kbps
Δf
BW – 134
FSK
– 90
DS70590B-page 85
Δf
115.2 kbps
BW – 200
FSK
– 120