MRF49XA-I/ST Microchip Technology, MRF49XA-I/ST Datasheet - Page 82

• 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 5-5:
Note 1:
TABLE 5-6:
Note 1:
DS70590B-page 80
MRF49XA
RF Carrier Frequency
Maximum RF Output Power
RF Output Power Control Range In steps of 8
TX Gain Control Resolution
Harmonic Suppression
Open-Collector Output DC
Current
Spurious Emission
| f-f
Output Capacitance (Set by the
Automatic Antenna Tuning
Circuit)
Quality Factor of the Output
Capacitance
Output Phase Noise
FSK Bit Rate
FSK Bit Rate
FSK Frequency Deviation
PLL Reference Frequency
PLL Lock Time
PLL Start-up Time
sp
| > 1 MHz
Typical Values: T
Typical Values: T
Parameters
Parameters
TRANSMITTER AC CHARACTERISTICS
PLL PARAMETERS AC CHARACTERISTICS
A
A
= 25°C, V
= 25°C, V
Programmed in 8 steps
433 MHz band, 2.5 kHz resolution
868 MHz band, 5.0 kHz resolution
915 MHz band, 7.5 kHz resolution
433 MHz @ 50Ω load
868 MHz @ 50Ω load
915 MHz @ 50Ω load
At maximum power, 50Ω load
Programmable
At maximum power, 50Ω load
433 MHz band
868 MHz band
915 MHz band
433 MHz band
868 MHz band
915 MHz band
100 kHz from carrier
1 MHz from carrier
Internal TX Data register
TX data connected to the FSK
input
Programmable in 15 kHz steps
Crystal related timing and fre-
quency parameters change
according to the PLL reference
frequency
Frequency error < 1 kHz after
10 MHz step
With a running crystal oscillator
and based on the design
DD
DD
= 3.3V.
= 3.3V.
Condition/Note
Condition
Preliminary
(1)
(1)
P
Min
max
—
—
9
430.24
860.48
900.72
Min
0.5
2.1
2.1
13
15
—
—
—
—
—
—
—
—
—
—
2
8
8
– 17.5
Typ
200
10
30
© 2009 Microchip Technology Inc.
-103
Typ
2.5
2.6
2.7
2.7
-80
15
10
10
—
—
—
—
—
—
—
—
—
—
7
5
5
439.75
879.51
929.27
Max
300
P
11
—
Max
172
256
240
-35
-55
3.2
3.3
3.3
17
12
12
—
—
—
—
—
—
max
6
dBc/Hz
dBc/Hz
MHz
MHz
MHz
MHz
dBm
dBm
dBm
dBm
kbps
kbps
Unit
Unit
dBc
dBc
kHz
mA
dB
pF
pF
pF
μs
μs
—
—
—