Datasheet
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MAX2090
50MHz to 1000MHz Analog VGA and Power
Detector with Optional AGC Loop
Pin Description
Pin Configuration
PIN NAME FUNCTION
1 R_BIAS Bias Resistor Setting Input. Connect a resistor from this pin to ground.
2 PLVLSET AGC Loop Threshold-Level Input/Attenuator Control
3 CTRL2 Functional Control Bit (see Table 1)
4 V
CC_A
Power-Supply Input. Bypass to ground with a 10nF capacitor as close as possible to the pin.
5 RF_IN
Attenuator Input (50I). Requires a DC-blocking capacitor.
6 GCTRL AGC Loop Output Control Voltage/Capacitor Input
7 FLTR Power Detector Filter Capacitor Input. Bypass to ground with a 68nF capacitor.
8 DET_VOUT Power Detector Output Voltage
9, 10, 11,
13, 14, 15
GND Ground
TQFN-EP
(5mm x 5mm)
TOP VIEW
19
20
+
18
17
7
6
8
PLVLSET
V
CC_A
RF_IN
9
R_BIAS
GND
ALM
GND
GND
1 2
DET_IN
4 5
EXPOSED PAD
15 14 12 11
RF_OUT
V
CC_RF
GND
DET_VOUT
FLTR
GCTRL
CTRL2
GND
3
13
CTRL1
16
10
GND
ALM_THRES
MAX2090