Rainbow Electronics MAX1386 - Manual (Page 16)

MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I
2 C/SPI Interface
16 ______________________________________________________________________________________
Pin Description (continued)
PIN NAME FUNCTION
23 GATEGND Gate-Drive Amplifier Ground
24 GATEV DD Gate-Drive Amplifier Supply Input
26 OPSAFE2 Operating Safe Channel 2 Input. Drive OPSAFE2 high to clamp GATE2 to AGND.
27 CS2+
Current-Sense Positive Input 2. CS2+ is the external sense resistor connection to the LDMOS 2
supply.
29 CS2-
Current-Sense Negative Input 2. CS2- is the external sense resistor connection to the LDMOS 2
drain.
30 GATE2 Channel 2 Gate-Drive Amplifier Output
31 GATE1 Channel 1 Gate-Drive Amplifier Output
32 CS1-
Current-Sense Negative Input 1. CS1- is the external sense resistor connection to the LDMOS 1
drain.
33 CS1+
Current-Sense Positive Input 1. CS1+ is the external sense resistor connection to the LDMOS 1
supply.
34 OPSAFE1 Operating Safe Channel 1 Input. Drive OPSAFE1 high to clamp GATE1 to AGND.
40 PGAOUT1 Programmable-Gain Amplifier Output 1
I 2 C-Compatible Address 2. See the Digital Serial Interface section.
41 A2/N.C.
No Connection. Leave unconnected in SPI mode.
43 SCL Digital Serial Clock Input
I 2 C-Compatible Serial Data Input/Output
44 SDA/DIN
SPI-Compatible Serial Data Input
I 2 C-Compatible Address 1. See the Digital Serial Interface section.
45 A1/DOUT
SPI-Compatible Serial Data Output
47 BUSY Device Busy Output. See the BUSY Output section
48 DV DD Digital Supply Input
— EP Exposed Pad. Connect to AGND. Internally connected to analog ground.