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MAX1454AUE

Precision Sensor Signal Conditioner with Overvoltage Protection

Maxim Integrated 

MAX1454

Precision Sensor Signal Conditioner

with Overvoltage Protection

Table 4. Configuration Register 2 (CONFIG2[15:0])

BIT

NAME

DESCRIPTION

15:7

Reserved

Reserved. Set to logic 0.

6

ENFDET

Enable fault-detection circuitry. Logic 1 enables fault detection.

5:4

REFRATE[1:0]

DAC register refresh rate during fixed analog mode

3

ENPULLUP

Enable internal pullup resistor on OUT/DIO pin. Logic 1 enables pullup.

2:1

READDLY[1:0]

Number of byte times the part waits before responding to read requests

0

EXCIMODE

Logic 1 for voltage excitation mode, logic 0 for current excitation mode

Table 5. Power-Up Configuration Register (PWRUPCFG[15:0])

BIT

NAME

DESCRIPTION

15:7

Reserved

Reserved. Set to logic 0.

6:3

DIGMODETIME[3:0] Number of ms the part waits to receive a control word before switching to analog mode

2:0

CTRLREP[2:0]

Number of repetitions of the control word required to switch the part into digital mode

Table 6. PGA Setting (PGA[4:0])

PGA[4:0]

00000

00001

00010

00011

00100

00101

00110

00111

01000

01001

01010

01011

01100

01101

01110

01111

PGA GAIN (V/V)

6

7

9

11

12

14

18

22

28

36

44

52

64

80

96

112

PGA[4:0]

10000

10001

10010

10011

10100

10101

10110

10111

11000

11001

11010

11011

11100

11101

11110

11111

PGA GAIN (V/V)

144

176

208

256

288

352

416

512

576

704

832

1024

1152

1408

1664

2048

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