C/spi interface, Functional diagram – Rainbow Electronics MAX1386 User Manual
Page 17
MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I
2
C/SPI Interface
______________________________________________________________________________________
17
V
REFDAC
V
REFDAC
SDA/DIN
SCL
PGA REGISTERS
10-BIT DAC
PGA1
PGAOUT1
DRV
PGAOUT2
CS1+
CS1-
GATE1
OPSAFE2
GATE2
CS2-
CS2+
OPSAFE1
12-BIT ADC
WITH T/H
TEMP
SENSOR
CONVERSION AND
SCAN OSCILLATOR
AND CONTROL
ADCIN0
ADCIN1
MUX
DXP1
DXN1
DXP2
DXN2
PGAOUT2
PGAOUT1
REGISTER
SECTION
DV
DD
DGND
GATEV
DD
GATEGND
AGND
PGA2
8-BIT HIGH CODE
EXTERNAL
TEMP
PROCESSING
DRV
CHANNEL 1 DAC
REGISTERS
SAFE1
SAFE2
ALARM
DIGITAL
CURRENT AND
TEMPERATURE
COMPARATORS
SERIAL
INTERFACE
8-BIT LOW CODE
10-BIT FINE
ADJUST CODE
CHANNEL 1 DAC
REGISTERS
8-BIT HIGH CODE
8-BIT LOW CODE
10-BIT FINE
ADJUST CODE
CNVST
V
REFADC
2.5V
REF
10-BIT DAC
REFDAC
REFADC
V
REFDAC
FIFO
MEMORY
A0/CSB
A1/DOUT
A2/N.C.
AV
DD
MAX1385
MAX1386
Functional Diagram