MAX11008 Datasheet, PDF (16/67 Pages) Maxim Integrated Products – Dual RF LDMOS Bias Controller with Nonvolatile Memory

Dual RF LDMOS Bias Controller with
Nonvolatile Memory
Typical Application Circuits—SPI Interface
DV_DD
AV_DD
32V
0.1µF
0.1µF
5V
µC
EXTERNAL
2.5V
REFERENCE
0.1µF
DV_DD
AV_DD
SCL/SCLK
SDA/DIN
A0/CS
A1/DOUT
DV_DD
0.1µF
OPSAFE1
OPSAFE2
ALARM
BUSY
CNVST
SPI/I2C
REFADC
REFDAC
PGAOUT1
PGAOUT2
ADCIN1
ADCIN2
MAX11008
DGND
AGND
CS1+
CS1-
CS2+
CS2-
GATE2
C_F*
R_F*
R_SENSE
C_F*
R_SENSE
R_F*
RF IN
DXP2
RF OUT
LDMOS 1
DXN2
GATE1
DXP1
DXN1
RF IN
RF OUT
LDMOS 2
*SELECT R_F AND C_F BASED ON DESIRED FILTER CUTOFF FREQUENCY WHERE f_CUTOFF = 1/(2 π R_FC_F).
LIMIT R_F TO 100Ω TO MINIMIZE OFFSET ERRORS.
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