Typical application circuits—i, C interface – Rainbow Electronics MAX11008 User Manual
Page 15
MAX11008
Dual RF LDMOS Bias Controller with
Nonvolatile Memory
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15
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15
32V
RF OUT
RF IN
LDMOS 2
LDMOS 1
RF OUT
RF IN
C
F
*
C
F
*
R
F
*
R
F
*
R
SENSE
R
SENSE
0.1µF
4.7kΩ
4.7kΩ
0.1µF
DV
DD
AV
DD
µC
5V
EXTERNAL
2.5V
REFERENCE
0.1µF
0.1µF
MAX11008
OPSAFE2
OPSAFE1
SCL/SCLK
SDA/DIN
ALARM
BUSY
PGAOUT1
PGAOUT2
REFADC
REFDAC
ADCIN1
ADCIN2
CNVST
A0/CS
A1/DOUT
A2/N.C.
SPI/I2C
DGND
AGND
CS1+
CS1-
GATE1
CS2+
CS2-
GATE2
DXP2
DXN2
DXP1
DXN1
DV
DD
AV
DD
*
SELECT R
F
AND
C
F
BASED ON DESIRED FILTER CUTOFF FREQUENCY WHERE f
CUTOFF
= 1/(2 π R
F
C
F
).
*SDA RESISTOR VALUE VARIES WITH LOAD AND SCL FREQUENCY. SEE THE
I
2
C SERIAL INTERFACE SECTION.
LIMIT R
F
TO 100Ω TO MINIMIZE OFFSET ERRORS.
Typical Application Circuits—I
2
C Interface