MRF89XAT-I/MQ Microchip Technology, MRF89XAT-I/MQ Datasheet - Page 112
MRF89XAT-I/MQ
Manufacturer Part Number
MRF89XAT-I/MQ
Description
RF ISM BAND TXRX 32 QFN
Manufacturer
Microchip Technology
Series
-r
Datasheet
1.MRF89XA-IMQ.pdf
(142 pages)
Specifications of MRF89XAT-I/MQ
Frequency
863MHz ~ 870MHz, 902MHz ~ 928MHz, 950MHz ~ 960MHz
Data Rate - Maximum
200 kbps
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
Memory Size
*
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Rf Ic Case Style
QFN
No. Of Pins
32
Svhc
No SVHC (20-Jun-2011)
Rohs Compliant
Yes
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MRF89XAT-I/MQTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MRF89XAT-I/MQ
Manufacturer:
MICROCHIP
Quantity:
12 000
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MRF89XA
5.3
As an ultra-low power device, the MRF89XA can be
configured for low minimum average power consump-
tion. To minimize consumption the following optimized
transitions between modes are shown.
5.3.1
The lowest-power RX cycle is shown in Figure 5-1.
FIGURE 5-1:
DS70622B-page 112
3.0 mA typ.
1.3 mA typ.
100 nA typ.
MRF89XA
65 µA typ.
Note 1:
IDDRX
IDDFS
IDDST
IDDSL
IDD
Switching Times and Procedures
OPTIMIZED RECEIVE CYCLE
If the lock detect indicator is available on an external interrupt pin of the companion microcontroller, it can be used to optimize
TSFS, without having to wait the maximum specified TSFS.
TSOSC
Set MRF89XA in Stand-by mode
Wait for XO settling
Wait
OPTIMIZED RX CYCLE
TSFS
Wait
Set MRF89XA in FS mode
Wait for PLL settling
TSWRF
Wait
Preliminary
Set MRF89XA in RX mode
Wait for Receiver settling
Time
RX
Receiver is ready:
- RSSI sampling is valid after a 1/
- Received data is valid
© 2010 Microchip Technology Inc.
MRF89XA can be put in
Any other mode
f
dev period
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