LMH2120 Datasheet, PDF (5/34 Pages) National Semiconductor (TI) – Linear RMS power detector particularly suited for accurate

LMH2120
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SNWS021C – JULY 2010 – REVISED FEBRUARY 2013
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)
DR
Dynamic Range for specified
±1 dB Lin Conformance Error (E_LC)
Accuracy
±3 dB Lin Conformance Error (E_LC)
E_MOD
Input referred Variation due to
Modulation
RF_IN = 2600 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,
-34 dBm<RF_IN<-2 dBm
LTE, -34 dBm<RF_IN<-2 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
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 = 3500 MHz⁽⁶⁾
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)
±0.5 dB Variation over Temperature
(E_VOT)
35
38
31
35
44
48
41
45
35
40
dB
39
36
35
0.16
dB
0.24
-30
dBm
6
31
mV
1.5
V
1
dB/dB
0.8
1.7
2.6
dBm
32
36
29
33
43
45
40
42
dB
34
39
-26
dBm
7
32
mV
1.1
V
1
dB/dB
4.4
5.5
6.7
dBm
30
33
27
30
39
42
36
40
dB
27
35
(6) Limits are ensured by design and measurements which are performed on a limited number of samples.
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