LMH2120 Datasheet, PDF (13/34 Pages) National Semiconductor (TI) – Linear RMS power detector particularly suited for accurate

LMH2120
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SNWS021C – JULY 2010 – REVISED FEBRUARY 2013
Typical Performance Characteristics (continued)
Unless otherwise specified T_A = 25°C, V_BAT = 2.7V, RF_IN = 1900 MHz CW (Continuous Wave, unmodulated). Specified errors
are input referred.
Output Voltage
vs.
RF Input Power at 2600 MHz
10
Lin Conformance
vs.
RF Input Power at 2600 MHz
3
2
85°C
1
1
0.1
85°C
25°C
-40°C
0.01
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 41.
0
-1
-40°C
25°C
-2
-3
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 42.
Lin Conformance (50 units) vs.
RF Input Power at 2600 MHz
3
2
1
85°C
0
-1
-40°C
-2
-3
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 43.
Temperature Variation
vs.
RF Input Power at 2600 MHz
2.0
1.5
1.0
85°C
0.5
0.0
-0.5
-40°C
-1.0
-1.5
-2.0
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 44.
Temperature Variation (50 units) vs.
RF Input Power at 2600 MHz
2.0
1.5
1.0
85°C
0.5
0.0
-0.5
-1.0
-40°C
-1.5
-2.0
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 45.
Output Voltage
vs.
RF Input Power at 3500 MHz
10
1
0.1
85°C
25°C
-40°C
0.01
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 46.
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