RF Power Detector
with Shutdown Control
AC ELECTRICAL CHARACTERISTICS
(50 I system, V CC = 2.8V, T A = -40 N C to +85 N C. Typical values are at T A = +25 N C, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RF Input Frequency
RF Input Return Loss
Output Voltage, 836MHz
Output Voltage, 1950MHz
Residual Error after Room
Temperature Calibration
(T A = -40 N C to +85 N C) (Note 4)
800MHz
2000MHz
-5dBm input
-25dBm input
-5dBm input
-25dBm input
-5dBm input
-25dBm input
800
16
9
0.88
0.06
0.72
0.06
2000
Q 0.5
Q 1.5
MHz
dB
V
V
dB
Note 3: Guaranteed by production test at T A = +25 N C. Guaranteed by design and characterization at T A = -40 N C and T A = +85 N C.
Note 4: Guaranteed by design and characterization. See the Typical Operating Characteristics .
Typical Operating Characteristics
(V CC = 2.8V. Typical values are at T A = +25 N C, unless otherwise noted.)
10
1
0.1
0.01
OUTPUT VOLTAGE vs. INPUT POWER
(RF = 836MHz)
10
1
0.1
0.01
OUTPUT VOLTAGE vs. INPUT POWER
(RF = 1950MHz)
1
0.1
0.01
OUTPUT VOLTAGE vs. FREQUENCY
P IN = -5dBm
P IN = -10dBm
P IN = -25dBm
-25
-20
-15
-10
-5
0
-25
-20
-15
-10
-5
0
0
500
1000 1500 2000 2500 3000 3500
1.5
INPUT POWER (dBm)
ERROR DUE TO TEMPERATURE
(RF = 836MHz, 58 UNITS)
1.5
INPUT POWER (dBm)
ERROR DUE TO TEMPERATURE
(RF = 1950MHz, 58 UNITS)
0.16
INPUT FREQUENCY (MHz)
SIGMA OF -40°C ERROR
1.0
-40°C
1.0
0.14
0.12
0.5
0
-0.5
0.5
0
-0.5
-40°C
0.10
0.08
0.06
RF = 836MHz
-1.0
+85°C
-1.0
+85°C
0.04
0.02
RF = 1950MHz
-1.5
-1.5
0
-25
-20
-15
-10
-5
0
-25
-20
-15
-10
-5
0
-25
-20
-15
-10
-5
0
INPUT POWER (dBm)
INPUT POWER (dBm)
INPUT POWER (dBm)
_______________________________________________________________________________________
3
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