LMH2110 Datasheet, PDF (4/33 Pages) National Semiconductor (TI) – 8 GHz Logarithmic RMS Power Detector with 45 dB Dynamic Range

LMH2110
SNWS022C – JANUARY 2010 – REVISED MARCH 2013
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2.7V and 4.5V DC and AC Electrical Characteristics (continued)
Unless otherwise specified: all limits are ensured to; T_A = 25°C, V_BAT = 2.7V and 4.5V (worst 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
(2)
Typ
(3)
Max
(2)
Units
RF Detector Transfer
RF_IN = 50 MHz, fit range -20 dBm to -10 dBm ⁽⁵⁾
P_MIN
Minimum Power level, bottom end Log Conformance Error within ±1 dB
of dynamic range
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
Logarithmic Slope
Logarithmic Intercept
Dynamic Range for specified
accuracy
At P_MIN
At P_MAX
±1 dB Log Conformance Error (E_LC)
±3 dB Log Conformance Error (E_LC)
±0.5 dB Input referred Variation over
Temperature (E_VOT), from P_MIN
RF_IN = 900 MHz, fit range -20 dBm to -10 dBm ⁽⁵⁾
P_MIN
Minimum Power level, bottom end Log Conformance Error within ±1 dB
of dynamic range
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
Logarithmic Slope
Logarithmic Intercept
Dynamic Range for specified
accuracy
At P_MIN
At P_MAX
±1 dB Log Conformance Error (E_LC)
±3 dB Log Conformance Error (E_LC)
±0.5 dB Input referred Variation over
Temperature (E_VOT), from P_MIN
±0.3 dB Error for a 1dB Step (E_{1dB STEP})
±1 dB Error for a 10dB Step (E_10dB
STEP⁾
E_MOD
Input referred Variation due to
Modulation
W-CDMA Release 6/7/8, -38
dBm<RF_IN<-5 dBm
LTE, -38 dBm<RF_IN<-5 dBm
RF_IN = 1900 MHz, fit range -20 dBm to -10 dBm ⁽⁵⁾
P_MIN
Minimum Power level, bottom end Log Conformance Error within ±1 dB
of dynamic range
P_MAX
Maximum Power level, top end of
dynamic range
V_MIN
V_MAX
K_SLOPE
P_INT
Minimum Output Voltage
Maximum Output Voltage
Logarithmic Slope
Logarithmic Intercept
At P_MIN
At P_MAX
42.2
-38.6
41.8
-37.4
41.8
-35.5
-39
7
3
1.96
44.3
-38.3
46
45
51
50
42
-38
0
3
1.58
43.9
-37.0
38
37
45
44
44
41
38
32
0.08
0.19
-36
0
3
1.5
43.9
-35.1
dBm
46.4
-38.0
mV
V
mV/dB
dBm
dB
dBm
46.0
-36.7
mV
V
mV/dB
dBm
dB
dB
dBm
46.1
-34.7
mV
V
mV/dB
dBm
(5) All limits are specified by design and measurements which are performed on a limited number of samples. Limits represent the mean
±3–sigma values. The typical value represents the statistical mean value.
4
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