LDMOS RF Power-Amplifier Bias
Controller
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
NAME
L 1
W 1
W 2
L 2
I D1
I D2
V D
GND
FAULT
A 0
A 1
A 2
SCL
SDA
H COM
V CC
FUNCTION
Potentiometer 1 Low Terminal
Potentiometer 1 Wiper Terminal
Potentiometer 2 Wiper Terminal
Potentiometer 2 Low Terminal
Drain Current 1 Monitor Input
Drain Current 2 Monitor Input
Drain Voltage Monitor Input
Ground
Fault Output. This open-collector output is active high when one of the enabled alarms is outside its
programmable limit value.
I 2 C Address Inputs. These inputs determine the slave address of the device. The slave address in
binary is 1010A 2 A 1 A 0 .
Serial Clock Input. I 2 C clock input.
Serial Data Input/Output. Bidirectional I 2 C data pin.
Potentiometer High Terminal. Common to potentiometers 1 and 2.
Power Input
8
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