MAX2209A 查看數據表（PDF） - Maxim Integrated
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MAX2209A Datasheet PDF : 7 Pages
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RF Power Detector
with Shutdown Control
Typical Operating Characteristics (continued)
(VCC = 2.8V. Typical values are at TA = +25NC, unless otherwise noted.)
SIGMA OF +85°C ERROR
0.12
0.10
0.08
RF = 1950MHz
0.06
0.04
0.02
RF = 836MHz
0
-25 -20 -15 -10
-5
0
INPUT POWER (dBm)
RESIDUAL ERROR AFTER ROOM
TEMPERATURE CALIBRATION
0.5
0.4 RF = 836MHz, 58 UNITS, -40°C
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-25 -20 -15 -10
-5
0
INPUT POWER (dBm)
RESIDUAL ERROR AFTER ROOM
TEMPERATURE CALIBRATION
0.5
0.4 RF = 836MHz, 58 UNITS, +85°C
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-25 -20 -15 -10
-5
0
INPUT POWER (dBm)
RESIDUAL ERROR AFTER ROOM
TEMPERATURE CALIBRATION
0.5
0.4 RF = 1950MHz, 58 UNITS, -40°C
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-25 -20 -15 -10
-5
0
INPUT POWER (dBm)
RESIDUAL ERROR AFTER ROOM
TEMPERATURE CALIBRATION
0.5
0.4 RF = 1950MHz, 58 UNITS, +85°C
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-25 -20 -15 -10
-5
0
INPUT POWER (dBm)
SETTLING TIME FROM RF POWER
(ON/OFF RF = 836MHz)
1.0
0.8
PIN = -5dBm
0.6
PIN = -7dBm
0.4
PIN = -10dBm
0.2
PIN = -15dBm
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
TIME (µs)
RF RETURN LOSS
vs. FREQUENCY
30
25
20
15
10
5
0
0 500 1000 1500 2000 2500 3000 3500
FREQUENCY (MHz)
4 _______________________________________________________________________________________
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