MAX2830
2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA,
and Rx/Tx/Antenna Diversity Switch
DC ELECTRICAL CHARACTERISTICS (continued)
(MAX2830 EV kit, V CC_ = 2.7V to 3.6V, V CCPA = V CCTXPA = 2.7V to 4.2V, T A = -40°C to +85°C, Rx set to the maximum gain. CS =
high, RXHP = SCLK = DIN = ANTSEL = low, RSSI and clock output buffer are off, no signal at RF inputs, all RF inputs and outputs
terminated into 50 ? , receiver baseband outputs are open. 100mV RMS differential I and Q signals (54Mbps IEEE 802.11g OFDM)
applied to I/Q baseband inputs of transmitter in transmit mode, f REF = 40MHz, and registers set to recommended settings and corre-
sponding test mode, unless otherwise noted. Typical values are at V CC = 2.8V, V CCPA = 3.3V, and T A = +25°C, LO frequency =
2.437GHz, unless otherwise noted. 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)
PARAMETERS
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS: SHDN , RXTX, SCLK, DIN, CS , B7:B1, RXHP, ANTSEL
Digital Input-Voltage High, V IH
Digital Input-Voltage Low, V IL
V CC -
0.4
0.4
V
V
Digital Input-Current High, I IH
Digital Input-Current Low, I IL
-1
-1
+1
+1
μA
μA
LOGIC OUTPUTS: LD, CLOCKOUT
Digital Output-Voltage High, V OH
Digital Output-Voltage Low, V OL
Sourcing 100μA
Sinking 100μA
V CC -
0.4
0.4
V
V
AC ELECTRICAL CHARACTERISTICS—Rx Mode
(MAX2830 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 that 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
RECEIVER SECTION: LNA RF INPUT-TO-BASEBAND I/Q OUTPUTS
RF Input Frequency Range
RF Input Return Loss (ANT1)
RF Input Return Loss (ANT2)
High RF gain
Mid RF gain
Low RF gain
High RF gain
Mid RF gain
Low RF gain
2.4
13
16
13
21
14
12
2.5
GHz
dB
dB
Maximum gain, B7:B1 =
T A = +25°C
86
97
Total Voltage Gain (ANT1)
1111111
Minimum gain, B7:B1 =
0000000
Maximum gain, B7:B1 =
1111111
T A = -40°C to +85°C
T A = +25°C
T A = +25°C
83
2
96
8
dB
Total Voltage Gain (ANT2)
dB
Maxim Integrated
Minimum gain, B7:B1 =
0000000
T A = +25°C
2
3
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