參數(shù)資料
型號: DS2722-F-04
英文描述: 900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet
中文描述: 900MHz的低IF 1.5Mbps的FSK收發(fā)器最終數(shù)據(jù)表
文件頁數(shù): 9/28頁
文件大?。?/td> 463K
代理商: DS2722-F-04
ML2722
DS2722-F-05
FINAL DATASHEET
DECEMBER 2003
9
PIN
SIGNAL
NAME
I/O
FUNCTION
DIAGRAM
23
TRFO
O (analog)
Transmit RF Output. This output is an
emitter follower and should be AC
coupled.
VCC5
24
13
12mA
TRFO
VSS
8
23
DATA
30
DIN
I (CMOS)
Transmit Data Input. Drives the transmit
pulse shaping circuits. Serial digital data
on this pin becomes FSK modulation on
the Transmit RF output. The logic timing
on this pin controls data timing. Internal
circuits determine the modulation
deviation. This is a standard CMOS input
referenced to VDD and VSS.
1
VSS
XCEN
VDD
RXON
DIN
2
30
31
8
32
DOUT
O (CMOS)
Serial digital output after demodulation,
chip rate filtering and center data slicing.
A CMOS level output (VSS to VDD) with
controlled slew rates. A low drive output
designed to drive a PCB trace and a
CMOS logic input while generating
minimal RFI. In digital test modes this pin
becomes a test access port controlled by
the serial control bus.
31
VSS
VDD
250
32
DOUT
8
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