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2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
POWER SUPPLY
ON
POWER
SHDN
RXTX
CS
SCLK
DIN
I REF
SHUTDOWN
CS (SELECT)
SCLK (CLOCK)
DIN (DATA)
3-WIRE SERIAL INTERFACE AVAILABLE
SPI:
CHANNEL FREQUENCY, PA BIAS, TRANSMITTER LINEARITY,
RECEIVER RSSI OPERATION, CALIBRATION MODE, ETC.
INTERNAL PA
ENABLED
(DRIVES POWER RAMP CONTROL)
0 TO 7 μ s
PA ENABLE
SHUTDOWN
MODE
STANDBY
MODE
RECEIVE
MODE
TRANSMIT
MODE
Figure 3. Timing Diagram
TOP VIEW
Pin Configuration
48 47 46 45 44 43 42 41 40 39 38 37
PROCESS: BiCMOS
Chip Information
Package Information
V CCLNA
GNDRXLNA
B6
RXRF+
RXRF-
1
2
3
4
5
+
36 RXBBQ+
35 RXBBQ-
34 B4
33 BYPASS
32 TUNE
For the latest package outline information and land patterns
(footprints), go to www.maxim-ic.com/packages . Note that a
"+", "#", or "-" in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
B7
V CCPA
B3
TXRF+
6
7
8
9
MAX2831
MAX2832
31 GNDVCO
30 V CCVCO
29 CTUNE
28 XTAL
PACKAGE
TYPE
48 TQFN-EP
PACKAGE
CODE
T4877+4
OUTLINE
NO.
21-0144
LAND PATTERN
NO.
90-0130
TXRF-
B2
10
11
27 V CCXTAL
26 GNDCP
SHDN
12
EP
25 V CCCP
13 14 15 16 17 18 19 20 21 22 23 24
TQFN
______________________________________________________________________________________
33
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