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0.1GHz to 3GHz, 75dB Logarithmic
Detector/Controller
Typical Operating Characteristics (continued)
(MAX2015 typical application circuit (Figure 1), V S = V CC = 3.3V, P IN = -10dBm, f IN = 100MHz, R1 = 0 ? , R4 = 0 ? , R L = 10k ? , V PWDN =
0V, TA = +25°C, unless otherwise noted.)
2.5
RF PULSE RESPONSE
-10.0
S11 MAGNITUDE
-10.0
S11 MAGNITUDE
2.0
1.5
f IN = 100MHz
V OUT
-12.5
-15.0
V CC = 2.7V, 3.0V
-12.5
-15.0
T A = -40 ° C
1.0
RFIN
(AC-COUPLED)
-17.5
-17.5
0.5
0
-20.0
-20.0
T A = +85 ° C
T A = +25 ° C
-0.5
-1.0
-22.5
-25.0
V CC = 3.3V, 3.6V
-22.5
-25.0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
TIME (50ns/div)
FREQUENCY (GHz)
FREQUENCY (GHz)
Pin Description
PIN
1, 4
NAME
V CC
FUNCTION
Supply Voltage. Bypass with capacitors as specified in the application drawing. Place capacitors as
close to the pin as possible (see the Power-Supply Connections section).
2, 3
INHI, INLO Differential RF Inputs
5
6
7
8
—
PWDN
GND
SET
OUT
EP
Power-Down Input. Drive PWDN with a logic-high to power down the IC. PWDN must be connected to
GND for V S between 4.75V and 5.25V with R4 = 75 ? .
Ground. Connect to the PCB ground plane.
Set-Point Input. To operate in detector mode, connect SET to OUT. To operate in controller mode,
connect a precision voltage source to control the power level of a power amplifier.
Detector Output. In detector mode, this output provides a voltage proportional to the log of the input
power. In controller mode, this output is connected to a power-control input on a power amplifier (PA).
Exposed Paddle (TDFN package only). Connect EP to GND using multiple vias, or the EP can also be left
unconnected.
_______________________________________________________________________________________
7
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