LMH2110_15 Datasheet, PDF (10/36 Pages) Texas Instruments – LMH2110 8-GHz Logarithmic RMS Power Detector with 45-dB Dynamic Range

LMH2110
SNWS022D – JANUARY 2010 – REVISED JUNE 2015
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Typical Characteristics (continued)
Unless otherwise specified: T_A = 25°C, V_BAT = 2.7 V, RF_IN = 1900 MHz CW (Continuous Wave, unmodulated). Specified
errors are input referred.
100
R
75
100
7550
50
25
25
0
-25
-5205
-75
X
-50
-100
-75
MEASURED ON BUMP
-100
10M
100M
1G
10G
70
60
50
40
30
20
10
0
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 7. RF Input Impedance vs. Frequency,
Resistance (R) and Reactance (X)
FREQUENCY (Hz)
Figure 8. Power Supply Rejection Ratio vs. Frequency
48
46
-40°C
44
85°C
42
25°C
40
Figure 9. Output Voltage Noise vs. Frequency
-20
-24
-28
85°C
-32
-36
25°C
-40°C
-40
10M
100M
1G
10G
FREQUENCY (Hz)
Figure 11. Log Intercept vs. Frequency
38
10M
100M
1G
10G
FREQUENCY (Hz)
Figure 10. Log Slope vs. Frequency
2.4
3
2.0
2
-40°C
1.6
25°C
1
1.2
0
0.8
-1
85°C
0.4
-2
0.0
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 12. Output Voltage and Log Conformance Error vs.
RF Input Power at 50 MHz
10
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