LMH2100 Datasheet, PDF (2/32 Pages) National Semiconductor (TI) – 50 MHz to 4 GHz 40 dB Logarithmic Power Detector for CDMA and WCDMA

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
V_DD - GND
RF Input
Input power
DC Voltage
Enable Input Voltage
ESD Tolerance (Note 2)
Human Body Model
Machine Model
Charge Device Model
Storage Temperature
Range
3.6V
10 dBm
400 mV
V_SS - 0.4V < V _EN < V_DD + 0.4V
2000V
200V
2000V
−65°C to 150°C
Junction Temperature
(Note 3)
Maximum Lead Temperature
(Soldering,10 sec)
150°C
260°C
Operating Ratings (Note 1)
Supply Voltage
Temperature Range
RF Frequency Range
RF Input Power Range (Note 5)
Package Thermal Resistance θ_JA
(Note 3)
2.7V to 3.3V
−40°C to +85°C
50 MHz to 4 GHz
−45 dBm to −5 dBm
−58 dBV to −18 dBV
126.3°C/W
2.7 V DC and AC Electrical Characteristics
Unless otherwise specified, all limits are guaranteed at T_A = 25°C, V_DD = 2.7V, RF input frequency f = 1855 MHz CW (Continuous
Wave, unmodulated). Boldface limits apply at the temperature extremes (Note 4).
Symbol
Parameter
Condition
Min
Typ
Max
(Note 6) (Note 7) (Note 6)
Units
Supply Interface
I_DD
Supply Current
Logic Enable Interface
Active mode: EN = High, no signal
present at RF_IN.
6.3
7.1
7.9
5.0
9.2
mA
Shutdown: EN = Low, no signal present
0.5
0.9
at RF_IN.
1.9
μA
EN = Low: P_IN = 0 dBm (Note 8)
10
V_LOW
EN Logic Low Input Level
(Shutdown Mode)
0.6
V
V_HIGH
EN Logic High Input Level
I_EN
Current into EN Pin
RF Input Interface
1.1
V
50
nA
R_IN
Input Resistance
Output Interface
46.7
51.5
56.4
Ω
V_OUT
I_OUT
Output Voltage Swing
Output Short Circuit Current
From Positive Rail, Sourcing,
V_REF = 0V, I_OUT = 1 mA
From Negative Rail, Sinking,
V_REF = 2.7V, I_OUT = 1 mA
Sourcing, V_REF = 0V, V_OUT = 2.6V
Sinking, V_REF = 2.7V, V_OUT = 0.1V
15.3
23.9
28.9
mV
13.1
22.3
28.3
5.8
7.3
5.2
mA
6.2
8.3
5.4
BW
Small Signal Bandwidth
No RF input signal. Measured from REF
416
kHz
input current to V_OUT
R_TRANS
Output Amp Transimpedance No RF input signal, from I_REF to V_OUT,
40.7
43.3
46.7
kΩ
Gain
DC
SR
Slew Rate
Positive, V_REF from 2.7V to 0V
Negative, V_REF from 0V to 2.7V
3.4
3.9
3.3
3.8
4.4
3.7
V/µs
R_OUT
Output Impedance
(Note 8)
No RF input signal, EN = High. DC
measurement
0.2
1.8
4.0
Ω
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