LMH2110_15 Datasheet, PDF (6/36 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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2.7-V and 4.5-V DC and AC Electrical Characteristics (continued)
Unless otherwise specified: all limits are ensured to T_A = 25°C, V_BAT = 2.7 V and 4.5 V (worst of the 2 is specified),
RF_IN = 1900 MHz CW (Continuous Wave, unmodulated).⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN ⁽²⁾
TYP ⁽³⁾ MAX⁽²⁾
UNIT
RF DETECTOR TRANSFER
RF_IN = 50 MHz (fit range –20 dBm to –10 dBm)⁽⁵⁾
P_MIN
Minimum power level,
bottom end of dynamic
range
Log conformance error within ±1 dB
–39
dBm
P_MAX
Maximum power level,
top end of dynamic range
Log conformance error within ±1 dB
7
dBm
V_MIN
V_MAX
K_SLOPE
P_INT
Minimum output voltage
Maximum output voltage
Logarithmic slope
Logarithmic Intercept
At P_MIN
At P_MAX
±1-dB Log conformance error (E_LC)
±1-dB Log conformance error (E_LC)
Limits apply at temperature extremes.
42.2
–38.6
3
1.96
44.3
–38.3
46
45
46.4
–38.0
mV
V
mV/dB
dBm
DR
Dynamic Range for
specified accuracy
±3-dB Log Conformance Error (E_LC)
±3-dB Log conformance error (E_LC)
Limits apply at temperature extremes.
51
dB
50
±0.5-dB input referred variation over temperature
(E_VOT), from P_MIN
42
Limits apply at temperature extremes.
RF DETECTOR TRANSFER
RF_IN = 900 MHz (fit range –20 dBm to –10 dBm)⁽⁵⁾
P_MIN
Minimum power level,
bottom end of dynamic
range
Log conformance error within ±1 dB
–38
dBm
P_MAX
Maximum power level,
top end of dynamic range
Log conformance error within ±1 dB
0
dBm
V_MIN
V_MAX
K_SLOPE
P_INT
Minimum output voltage
Maximum output voltage
Logarithmic slope
Logarithmic intercept
At P_MIN
At P_MAX
±1-dB Log conformance error (E_LC)
±1-dB Log conformance error (E_LC)
Limits apply at temperature extremes.
41.8
–37.4
3
mV
1.58
V
43.9
46 mV/dB
–37
–36.7 dBm
38
37
DR
Dynamic range for
specified accuracy
±3-dB Log conformance error (E_LC)
±3-dB Log conformance error (E_LC)
Limits apply at temperature extremes.
±0.5-dB Input referred variation over temperature
(E_VOT), from P_MIN
Limits apply at temperature extremes.
45
44
dB
44
±0.3-dB Error for a 1dB Step (E1dB STEP)
41
±0.3-dB Error for a 1dB Step (E1dB STEP)
Limits apply at temperature extremes.
38
±1-dB Error for a 10dB Step (E10dB 30 STEP)
Limits apply at temperature extremes.
32
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
0.08
dB
0.19
(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.
6
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