MAX17823H datasheet(32/129 Pages) MAXIM

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Table 7. Oversampling

Figure 8. Acquisition Mode Flowchart

STANDBY MODE

SCAN BIT SET?

ENABLE HV

CHARGE PUMP

FOR 100.3µs

PERFORM MEASUREMENT

SCANS FOR VBLKP, CELLn,

DIAG PER MEASUREEN

DBLBUF SET?

YES

CLEAR ALL ALU REGISTERS

MOVE ALU DATA TO DATA

REGISTERS;

SET DATARDY = 1

YES

ALL SAMPLES DONE?

YES

COMPARE MEASUREMENTS

TO THRESHOLDS AND

UPDATE ALERTS

DISABLE DATAMOVE

DBLBUF SET?

YES

MOVE ALU DATA TO DATA

REGISTERS; SET DATARDY = 1

SET SCANDONE, UNBLOCK

DATAMOVE

STANDBY MODE

ENABLE HV CHARGE PUMP

SET ADC STATE-MACHINE

TIMEOUT PERIOD

LATCH-ACQUISITION

CONFIGURATION; DISABLE

HV CHARGE PUMP

CONVERT AUXINn INPUTS

IF ENABLED; USE AINCFG

SETTLING TIME

COMPARE AUXINn

MEASUREMENT TO

THRESHOLDS, UPDATE ALERTS

OVSAMPL[2:0]

OVERSAMPLES

THEORETICAL RESOLUTION

ACQUISITION WATCHDOG TIMEOUT

000b (default)

12 bits

1.10ms

001b

13 bits

2.08ms

010b

13 bits

3.36ms

011b

14 bits

5.92ms

100b

14 bits

10.99ms

101b

14 bits

21.18ms

110b

128

14 bits

41.56ms

111b

128

14 bits

41.56ms

MAX17823H

12-Channel, High-Voltage

Data-Acquisition Systems

www.maximintegrated.com

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MAX17823H Datasheet(PDF) 32 Page - Maxim Integrated Products

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