Rainbow Electronics DS1870 - Manual (Page 8)

DS1870
LDMOS RF Power-Amplifier Bias
Controller
8 _____________________________________________________________________
Pin Description
PIN NAME FUNCTION
1 L 1 Potentiometer 1 Low Terminal
2 W 1 Potentiometer 1 Wiper Terminal
3 W 2 Potentiometer 2 Wiper Terminal
4 L 2 Potentiometer 2 Low Terminal
5 I D1 Drain Current 1 Monitor Input
6 I D2 Drain Current 2 Monitor Input
7 V D Drain Voltage Monitor Input
8 GND Ground
9 FAULT
Fault Output. This open-collector output is active high when one of the enabled alarms is outside its
programmable limit value.
10 A 0
11 A
1
12 A 2
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
.
13 SCL Serial Clock Input. I 2 C clock input.
14 SDA Serial Data Input/Output. Bidirectional I 2 C data pin.
15 H COM Potentiometer High Terminal. Common to potentiometers 1 and 2.
16 V CC Power Input