LMH2120_15 Datasheet, PDF (8/34 Pages) Texas Instruments – LMH2120 6 GHz Linear RMS Power Detector with 40 dB Dynamic Range

LMH2120
SNWS021C – JULY 2010 – REVISED FEBRUARY 2013
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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.
RF Input Impedance
vs.
Frequency,
Resistance (R) and Reactance (X)
100
Power Supply Rejection Ratio
vs.
Frequency
70
R
75
6700
100
7550
5600
50
50
2255
4400
00
30
-25
30
-5205
20
-75
X
2100
-1-0500
0
-75
10
MEASURED ON BUMP
-100
10M
100M
1G
10G
0 ₁₀
100
1k
10k
100k
FREQUENCY (Hz)
Figure 11.
FREQUENCY (Hz)
Figure 12.
Output Voltage Noise
vs.
Frequency
8
PIN = -10 dBm
7
6
5
4
3
2
1
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Figure 13.
Lin Slope
vs.
Frequency
1.3
1.2
1.1
-40°C
1.0
0.9
25°C
85°C
0.8
0.7
10M
100M
1G
10G
FREQUENCY (Hz)
Figure 14.
Lin Intercept
vs.
Frequency
12
10
8
6
4
2
0
-2
25°C 85°C
-4
-6
-40°C
-8
10M
100M
1G
10G
FREQUENCY (Hz)
Figure 15.
Output Voltage
vs.
RF Input Power
10
3.5 GHz
1
2.6 GHz
1.9 GHz
900 MHz
0.1 _{50 MHz}
5.8 GHz
0.01
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 16.
8
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