LMH2100 Datasheet, PDF (6/49 Pages) National Semiconductor (TI) – 50 MHz to 4 GHz 40 dB Logarithmic Power Detector for CDMA and WCDMA

LMH2100
SNWS020C – NOVEMBER 2007 – REVISED OCTOBER 2015
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2.7-V DC and AC Electrical Characteristics (continued)
Unless otherwise specified, all limits are ensured at T_A = 25°C, V_DD = 2.7 V, RF input frequency ƒ = 1855 MHz CW
(Continuous Wave, unmodulated). Maximum and minimum limits apply at the temperature extremes.⁽¹⁾.
PARAMETER
TEST CONDITIONS
MIN ⁽²⁾
TYP ⁽³⁾ MAX ⁽²⁾
OUTPUT INTERFACE
V_OUT
I_OUT
BW
R_TRANS
SR
R_OUT
Output voltage swing
Output short circuit current
Small signal bandwidth
Output amp transimpedance gain
Slew rate
Output impedance⁽⁵⁾
From positive rail, sourcing,
V_REF = 0 V, I_OUT = 1 mA
From positive rail, sourcing,
V_REF = 0 V, I_OUT = 1 mA
T_A = –40°C to +85°C
From negative rail, sinking,
V_REF = 2.7 V, I_OUT = 1 mA
From negative rail, sinking,
V_REF = 2.7 V, I_OUT = 1 mA
T_A = –40°C to +85°C
Sourcing, V_REF = 0 V, V_OUT = 2.6 V
Sourcing, V_REF = 0 V, V_OUT = 2.6 V
T_A = –40°C to +85°C
Sinking, V_REF = 2.7 V, V_OUT = 0.1 V
Sinking, V_REF = 2.7 V, V_OUT = 0.1 V
T_A = –40°C to +85°C
No RF input signal. Measured from REF
input current to V_OUT
No RF input signal, from I_REF to V_OUT, DC
Positive, V_REF from 2.7 V to 0 V
Positive, V_REF from 2.7 V to 0 V
T_A = –40°C to +85°C
Negative, V_REF from 0 V to 2.7 V
Negative, V_REF from 0 V to 2.7 V
T_A = –40°C to +85°C
No RF input signal, EN = High, DC
measurement
No RF input signal, EN = High, DC
measurement
15.3
23.9
28.9
13.1
22.3
28.3
5.8
7.3
5.2
6.2
8.3
5.4
416
40.7
43.3
46.7
3.4
3.9
3.3
3.8
4.4
3.7
0.2
1.8
4
I_OUT,SD
Output leakage current in
shutdown mode
EN = Low, V_OUT = 2 V
T_A = –40°C to +85°C
100
RF DETECTOR TRANSFER
ƒ = 50 MHz, MIN and MAX at T_A = –40°C
to +85°C
1.69
1.77
1.82
ƒ = 900 MHz, MIN and MAX at T_A = –40°C
to +85°C
1.67
1.78
1.83
ƒ = 1855 MHz, MIN and MAX at T_A =
–40°C to +85°C
1.57
1.65
1.70
V_OUT,MAX
Maximum output voltage
P_IN= −5 dBm⁽⁵⁾
ƒ = 2500 MHz, MIN and MAX at T_A =
–40°C to +85°C
ƒ = 3000 MHz, MIN and MAX at T_A =
–40°C to +85°C
1.47
1.55
1.60
1.38
1.46
1.51
ƒ = 3500 MHz, MIN and MAX at T_A =
–40°C to +85°C
1.25
1.34
1.40
ƒ = 4000 MHz, MIN and MAX at T_A =
–40°C to +85°C
1.16
1.25
1.30
No input signal
V_OUT,MIN
Minimum output voltage (pedestal)
No input signal, T_A = –40°C to +85°C
207
266
324
173
365
UNIT
mV
mA
kHz
kΩ
V/µs
Ω
nA
V
mV
(5) All limits are ensured 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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