Rainbow-electronics MAX1386 Manual do Utilizador descarregar pdf (Página 16)

MAX1385/MAX1386

Dual RF LDMOS Bias Controllers

with I

C/SPI Interface

16 ______________________________________________________________________________________

Pin Description (continued)

PIN NAME FUNCTION

23 GATEGND Gate-Drive Amplifier Ground

24 GATEV

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

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

C-Compatible Serial Data Input/Output

44 SDA/DIN

SPI-Compatible Serial Data Input

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

Digital Supply Input

— EP Exposed Pad. Connect to AGND. Internally connected to analog ground.

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Rainbow-electronics MAX1386 Manual do Utilizador Página 16