Variable Reluctance Sensor Interfaces with

Differential Input and Adaptive Peak Threshold

4

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PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

EXT

°C

1.5

- 1.1

EXT Voltage Range

°C

0.14

- 1.1

V

Input Current to EXT

10

µA

DIRN (MAX9926 Only)

Output Low Voltage

0.2

V

INT_THRS, ZERO_EN

Low Input

0.3 x

V

High Input

0.7 x

V

Input Leakage

1µA

Input Current ZERO_EN

Pullup resistor = 10k

Ω,

500

800

µA

Switching Time Between Modes

A1, A2, and Modes B, C

With INT_THRS = GND, auto peak-

detect is disabled, and EXT_THRS is

active

3µs

BIAS

Input Current to BIAS

Modes A1, A2, B, C

1

µA

°C

1.5

- 1.1

BIAS Voltage Range

°C

0.2

- 1.1

V

Internal BIAS Reference Voltage

Mode A2 (MAX9924/MAX9926)

2.46

V

ELECTRICAL CHARACTERISTICS (continued)

Note 3: Inferred from functional PSRR.

Note 4: CMOS inputs.

Note 5: Guaranteed by design.