Rainbow Electronics MAX1386 - Manual (Page 22)

MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I
2 C/SPI Interface
22 ______________________________________________________________________________________
FINETHRU_ REGISTER
FINECAL_ REGISTER
FINE_ REGISTER
FINECALTHRU_ REGISTER
LOAD DAC CONTROL REGISTER (LDAC)
TO GATE-DRIVE BLOCK
INPUT REGISTERS
FROM 8-BIT COARSE DAC
FROM 8-BIT COARSE DAC
FINE-CAL
FINE DAC_ OUTPUT REGISTER
10-BIT FINE
DAC
Figure 6. Fine-DAC Register Diagram
HIWIPE_ REGISTER
LOWIPE_ REGISTER COARSE DAC_ LOW WIPER OUTPUT REGISTER
THRUHI_ REGISTER
THRULO_ REGISTER
V DACREF
HCAL
LCAL
LOW-CAL
LOAD DAC CONTROL REGISTER (LDAC)
TO 10-BIT FINE DAC
COARSE DAC_ HIGH WIPER OUTPUT REGISTER
HIGH-CAL
INPUT REGISTERS
Figure 5. Coarse-DAC Register Diagram