LMH2120_15 Datasheet, PDF (4/34 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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2.7 V and 4.5V DC and AC Electrical Characteristics (continued)
Unless otherwise specified, all limits are ensured to T_A = 25°C, V_DD = 2.7V and 4.5V (worst case of the 2 is specified), RF_IN=
1900 MHz CW (Continuous Wave, unmodulated). Boldface limits apply at the temperature extremes ⁽¹⁾.
Symbol
Parameter
Condition
Min
Typ
Max
Units
(2)
(3)
(2)
RF Detector Transfer, fit range -15 dBm to -5 dBm for Linear Slope and Intercept
RF_IN = 50 MHz⁽⁵⁾
P_MIN
Minimum Power Level, bottom
end of Dynamic Range
Log Conformance Error within ±1 dB
P_MAX
Maximum Power Level, top end of
Dynamic Range
V_MIN
V_MAX
K_SLOPE
P_INT
DR
Minimum Output Voltage
Maximum Output Voltage
Linear Slope
Linear Intercept
Dynamic Range for specified
Accuracy
At P_MIN
At P_MAX
V_OUT = 0 dBV
±1 dB Lin Conformance Error (E_LC)
±3 dB Lin Conformance Error (E_LC)
RF_IN = 900 MHz⁽⁵⁾
P_MIN
Minimum Power Level, bottom
end of Dynamic Range
±0.5 dB Variation over Temperature
(E_VOT)
Lin Conformance Error within ±1 dB
P_MAX
Maximum Power Level, top end of
Dynamic Range
V_MIN
V_MAX
K_SLOPE
P_INT
DR
Minimum Output Voltage
Maximum Output Voltage
Linear Slope
Linear Intercept
Dynamic Range for specified
Accuracy
At P_MIN
At P_MAX
V_OUT = 0 dBV
±1 dB Lin Conformance Error (E_LC)
±3 dB Lin Conformance Error (E_LC)
E_MOD
Input referred Variation due to
Modulation
RF_IN = 1900 MHz⁽⁵⁾
P_MIN
Minimum Power Level, bottom
end of Dynamic Range
±0.5 dB Variation over Temperature
(E_VOT)
±0.3 dB Error for a 1dB Power Step
(E_1dB)
±1 dB Error for a 10dB Power Step
(E_10dB)
W-CDMA Release 6/7/8,
-35 dBm<RF_IN<-3 dBm
LTE, -35 dBm<RF_IN<-3 dBm
Lin Conformance Error within ±1 dB
P_MAX
Maximum Power Level, top end of
Dynamic Range
V_MIN
V_MAX
K_SLOPE
P_INT
Minimum Output Voltage
Maximum Output Voltage
Linear Slope
Linear Intercept
At P_MIN
At P_MAX
V_OUT = 0 dBV
-37
dBm
4
31
mV
2.6
V
1
dB/dB
-5.7
-5.5
-5.3
dBm
37
41
36
40
44
48
43
47
dB
41
45
-35
dBm
5
33
mV
2.5
V
1
dB/dB
-4.2
-4.0
-3.8
dBm
36
40
33
37
45
48
44
47
41
44
dB
41
40
45
0.15
dB
0.29
-34
dBm
4
30
mV
1.7
V
1
dB/dB
-2.2
-1.8
-1.4
dBm
(5) Limits are ensured by design and measurements which are performed on a limited number of samples.
4
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