2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
AC ELECTRICAL CHARACTERISTICS—Rx Mode (continued)
(MAX2831 EV kit: V CC_ = 2.8V, V CCPA = V CCTXPA = 3.3V, T A =+25°C, f RF = 2.439GHz, f LO = 2.437GHz; receiver baseband I/Q out-
puts at 112 mV RMS (-19dBV), f REF = 40MHz, SHDN = CS = high, RXTX = SCLK = DIN = low, with power matching for the differential
RF pins using the typical applications and registers set to default settings and corresponding test mode, unless otherwise noted.
Unmodulated single-tone RF input signal is used with specifications which normally apply over the entire operating conditions, unless
otherwise indicated. RF inputs/outputs specifications are referenced to device pins and do not include 1dB loss from EV kit PCB,
balun, and SMA connectors.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
At 8.5MHz
3.2
Baseband Filter Rejection
(Nominal Mode)
At 15MHz
At 20MHz
At > 40MHz
27
50
80
dB
RSSI
RSSI Minimum Output Voltage
RSSI Maximum Output Voltage
RSSI Slope
R LOAD ≥ 10k ? || 5pF
R LOAD ≥ 10k ? || 5pF
0.4
2.4
30
V
V
mV/dB
RSSI Output Settling Time
To within 3dB of steady
state
+32dB signal step
-32dB signal step
200
600
ns
_______________________________________________________________________________________
5
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