MRF49XA-I/ST Microchip Technology, MRF49XA-I/ST Datasheet - Page 76

• 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

4.5
4.5.1
FIGURE 4-5:
DS70590B-page 74
MRF49XA
RSSIO
INT/DIO
CLK
GND
TP1
TP2
SDI
SCK
CS
SDO
IRO
FSEL
FINT
___
RESET
__
__
__
MRF49XA Schematic and Bill of
Materials
SCHEMATIC
C4
1000 pF
1
2
3
4
5
6
7
8
SDI
SCK
CS
SDO
__
IRO
FSK/DATA/
RCLKOUT/FCAP/FINT
CLKOUT
__
MRF49XA SCHEMATIC
MRF49XA
___
FSEL
U1
RFXTL/EXTREF
__
INT/DIO
RSSIO
____
RESET
VDD
RFN
RFP
VSS
10 MHz
16
15
14
13
12
11
10
9
X1
+3.3V
C1
Preliminary
C2
0.01 uF
433 MHz
868 MHz
915 MHz
Freq.
C3
2.2 uF
6.3V
+3.3V
L1
L2
220 pF
33 pF
47 pF
C1
C5
390 nH
100 nH
100 nH
L1
8.2 nH
8.2 nH
33 nH
L3
L2
© 2009 Microchip Technology Inc.
C7
C6
47 nH
22 nH
22 nH
L3
2.7 pF
1.2 pF
1.2 pF
C5
J1
50Ω ANT
68 pF
27 pF
27 pF
C6
5.1 pF
2.7 pF
2.7 pF
C7