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5GHz Receiver
DC ELECTRICAL CHARACTERISTICS (continued)
(Operating conditions, unless otherwise specified: V CC = 2.7V~3.6V, ENABLE set according to operating mode, CS = high, SCLK
= DIN = low, transmitter in maximum gain, T A = -25 N C to +85 N C. Power matching and termination for the differential RF output pins
using the Typical Operating Circuit . 100mV RMS differential I and Q signals applied to I/Q baseband inputs of transmitters in transmit
calibration mode. Typical values measured at V CC = 2.85V, LO frequency = 5.35GHz, T A = +25 N C. Channel bandwidth is set to
40MHz. PA control pins open circuit, V CC_PA_BIAS is disconnected.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC OUTPUTS: DOUT, CLKOUT
Digital Output-Voltage High, V OH
Digital Output-Voltage Low, V OL
Digital Output Voltage in
Shutdown Mode
Sourcing 1mA
Sinking 1mA
Sinking 1mA
V CC -
0.4
V OL
0.4
V
V
V
AC ELECTRICAL CHARACTERISTICS—Rx MODE
(Operating conditions, unless otherwise specified: V CC = 2.7V~3.6V, RF frequency = 5.351GHz, T A = -25 N C to +85 N C. LO frequency
= 5.35GHz. Reference frequency = 40MHz, ENABLE = high, CS = high, SCLK = DIN = low, with power matching at RXRF+ and
RXRF- differential ports using the Typical Operating Circuit . Receiver I/Q output at 100mV RMS loaded with 10k I differential load
resistance and 10pF load capacitance. The RSSI pin is loaded with 10k I load resistance to ground. Typical values measured at V CC
= 2.85V, channel bandwidths of 40MHz, T A = +25 N C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER SECTION: RF INPUT TO I/Q BASEBAND LOADED OUTPUT (Includes 50 I to 100 I RF Balun and Matching)
RF Input Frequency Range
4.9
5.9
GHz
Peak-to-Peak Gain Variation
over RF Frequency Range at
One Temperature
RF Input Return Loss
4.9GHz to 5.35GHz
5.35GHz to 5.9GHz
All LNA settings
0.3
2.2
-6
2.6
5.3
dB
dB
Total Voltage Gain
Maximum gain; Main address 1 D7:0 = 11111111
Minimum gain; Main address 1 D7:0 = 00000000
61
68
-2
+0.5
dB
Main address 1 D7:D5 = 110
-8
RF Gain Steps Relative to
Maximum Gain
Main address 1 D7:D5 = 101
Main address 1 D7:D5 = 001
Main address 1 D7:D5 = 000
-16
-32
-40
dB
From maximum baseband gain (Main address 1 D3:D0
Baseband Gain Range
= 1111) to minimum baseband gain (Main address 1
27.5
30
32.5
dB
D3:D0 = 0000)
Baseband Gain Step
2
dB
RF Gain-Change Settling Time
Baseband Gain-Change Settling
Time
Gain settling to within Q 0 .5dB    of steady state; RXHP = 1
Gain settling to within Q 0.5dB of steady state; RXHP = 1
400
200
ns
ns
_______________________________________________________________________________________
3
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