Rainbow-electronics MAX1386 User Manual download pdf (Page 22)

MAX1385/MAX1386

Dual RF LDMOS Bias Controllers

with I

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

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

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

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 51 52

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Rainbow-electronics MAX1386 User Manual Page 22