MRF49XA-I/ST Microchip Technology, MRF49XA-I/ST Datasheet - Page 81

• 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 5-4:
Note 1:
© 2009 Microchip Technology Inc.
Receiver Sensitivity
Maximum RF Input
Power
RF Input Capacitance
Receiver Spurious
Emission
Receiver BW
RSSI Range
RSSI Error
RSSI Power Supply
Dependency
Filter Capacitor for
Analog RSSI
RSSI Programmable
Level Steps
Digital RSSI
Response Time
Input IP3
IIP3
(LNA – 6 dB gain)
IIP3
(LNA – 6 dB gain)
FSK Bit Rate
FSK Bit Rate
AFC Locking Range
Parameters
2:
Typical Values: T
BER = 10E – 3, BW = 67 kHz, Δf = 30 kHz, Baud Rate = 1.2 kbps, digital filter with AFC disabled.
RECEIVER AC CHARACTERISTICS
433 MHz band
868 MHz band
915 MHz band
LNA: High Gain
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
When input signal level is lower than
-54 dBm and greater than -100 dBm
Until the RSSI signal goes high after
the input signal exceeds the
preprogrammed limit,
CARRSI = 4.7 nF
In band interferers in high bands
(868 MHz, 915 MHz)
In band interferers in low band
(433 MHz)
Out of band interferers,
l f-f
With internal digital filters supported
by design
With internal analog filters supported
by design
Δf
signal
fsk
O
A
: FSK deviation in the received
l > 4 MHz
= 25°C, V
Condition
(2)
(2)
(2)
DD
—
—
—
—
—
—
= 3.3V, Local Oscillator Frequency = 2.445 GHz.
Preliminary
(1)
Min
0.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
1
0.8 – Δf
-109
-112
-110
Typ
+35
134
200
270
340
400
500
-21
-15
-12
67
—
—
46
±6
—
—
—
1
6
fsk
MRF49XA
115.2
Max
256
-60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DS70590B-page 79
mV/V
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
kbps
kbps
Unit
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
pF
nF
μs
—