LF-to-2.5GHz Dual Logarithmic Detector/
Controller for Power, Gain, and VSWR Measurements
AC ELECTRICAL CHARACTERISTICS—OUTA AND OUTB
( Typical Application Circuit , V CC = +2.7V to +3.3V, R 1 = R 2 = R 3 = 0 Ω , T A = -40°C to +85°C, unless otherwise noted. Typical values
are at V CC = 3.3V, CSETL = CSETH = V CC , T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RF Input Frequency Range
Return Loss
Large-Signal Response Time
f RF
S 11
AC-coupled input
0.1GHz to 3GHz
P RFIN = no signal to 0dBm, ±0.5dB settling
accuracy
20
100
2.5
GHz
dB
ns
RSSI MODE—0.1GHz
RF Input Power Range
±3dB Dynamic Range
Range Center
(Note 2)
T A = -20°C to +85°C (Note 3)
-70 to
+10
80
-32
dBm
dB
dBm
Temperature Sensitivity
Slope
Typical Slope Variation
Intercept
Typical Intercept Variation
P RFINA = P RFINB =
-32dBm
(Note 4)
T A = -20°C to +85°C
(Note 5)
T A = -20°C to +85°C
T A = +25°C to +85°C
T A = +25°C to -20°C
+0.0083
-0.0083
19
-4
-100
0.03
dB/°C
mV/dB
μV/°C
dBm
dBm/°C
RSSI MODE—0.9GHz
RF Input Power Range
±3dB Dynamic Range
Range Center
(Note 2)
T A = -20°C to +85°C (Note 3)
-70 to
+10
80
-30
dBm
dB
dBm
Temperature Sensitivity
Slope
Typical Slope Variation
Intercept
Typical Intercept Variation
P RFINA = P RFINB =
-30dBm
(Note 4)
T A = -20°C to +85°C
(Note 5)
T A = -20°C to +85°C
T A = +25°C to +85°C
T A = +25°C to -20°C
+0.0083
-0.0083
18.1
-4
-97
0.02
dB/°C
mV/dB
μV/°C
dBm
dBm/°C
RSSI MODE—1.9GHz
RF Input Power Range
±3dB Dynamic Range
Range Center
(Note 2)
T A = -20°C to +85°C (Note 3)
-55 to
+12
67
-27
dBm
dB
dBm
Temperature Sensitivity
Slope
Typical Slope Variation
Intercept
Typical Intercept Variation
P RFINA = P RFINB =
-27dBm
(Note 4)
T A = -20°C to +85°C
(Note 5)
T A = -20°C to +85°C
T A = +25°C to +85°C
T A = +25°C to -20°C
+0.0125
-0.0125
18
-4.8
-88
0.03
dB/°C
mV/dB
μV/°C
dBm
dBm/°C
_______________________________________________________________________________________
3
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