Datasheet

MAX4000/MAX4001/MAX4002
2.5GHz 45dB RF-Detecting Controllers
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Note 1: All devices are 100% production tested at T
A
= +25°C and are guaranteed by design for T
A
= -40°C to +85°C as specified.
All production AC testing is done at 100MHz.
Note 2: Typical value only, set-point input voltage range determined by logarithmic slope and logarithmic intercept.
Note 3: Set-point slew rate is the rate at which the reference level voltage, applied to the inverting input of the g
m
stage, responds to
a voltage step at the SET pin (see Figure 1).
Note 4: Typical min/max range for detector.
Note 5: MAX4000 internally AC-coupled.
Note 6: MAX4001/MAX4002 are internally resistive-coupled to V
CC
.
ELECTRICAL CHARACTERISTICS
(V
CC
= 3V, SHDN = 1.8V, f
RF
= 100MHz to 2.5GHz, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS MIN TYP
MAX
UNITS
RF Input Frequency f
RF
100
2500
MHz
MAX4000 -58 -13
MAX4001 -48 -3
RF Input Voltage Range
(Note 4)
V
RF
MAX4002 -43 +2
dBV
MAX4000 -45 0
MAX4001 -35 +10
Equivalent Power Range
(50Ω Terminated) (Note 4)
P
RF
MAX4002 -30 +15
dBm
f
RF
= 100MHz 22.5 25.5 28.5
f
RF
= 900MHz 25Logarithmic Slope V
S
f
RF
= 1900MHz 29
mV/dB
MAX4000 -62 -55 -49
MAX4001 -52 -45 -39f
RF
= 100MHz
MAX4002 -47 -40 -34
MAX4000 -57
MAX4001 -48
f
RF
= 900MHz
MAX4002 -43
MAX4000 -56
MAX4001 -45
Logarithmic Intercept P
X
f
RF
= 1900MHz
MAX4002 -41
dBm
RF INPUT INTERFACE
DC Resistance R
DC
MAX4001/MAX4002, connected to V
CC
(Note 5)
2kΩ
Inband Resistance R
IB
2kΩ
Inband Capacitance C
IB
MAX4000, internally AC-coupled
(Note 6)
0.5 pF