MAX9621 datasheet(2/14 Pages) MAXIM

2 / 14 page

Dual, 2-Wire Hall-Effect Sensor Interface with

Analog and Digital Outputs

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

BAT to GND...........................................................-0.3V to +60V

ISET to BAT ..........................................................-2.0V to +0.3V

IN1, IN2 to GND ................ -3V to lower of +60V or (VBAT + 1V)

AOUT1, DOUT1, AOUT2, DOUT2,

SLEEP to GND .....................................................-0.3V to +6V

Short-Circuit Duration

AOUT1, DOUT1, AOUT2, DOUT2 to GND

or to 5.5V (individually).......................................Continuous

Current In to IN1, IN2.................................................... ±100mA

Current In to Any Other Pin............................................. ±20mA

Continuous Power Dissipation for a Single-Layer Board

(TA = +70NC)

10-Pin µMAX (derate 5.6mW/NC) above +70NC........444.4mW

Continuous Power Dissipation for a Multilayer Board

(TA = +70NC)

10-Pin µMAX (derate 8.8mW/NC) above +70NC........707.3mW

Operating Temperature Range........................ -40NC to +125NC

Junction Temperature .....................................................+150NC

Storage Temperature Range............................ -65NC to +160NC

Lead Temperature (soldering, 10s) ................................+300NC

DC ELECTRICAL CHARACTERISTICS

(VBAT = 13.6V, VSLEEP = 5V, IN1 = IN2 = no connection, RSET = 61.9kI to BAT, RPU = 10kI at DOUT1 and DOUT2, RL = 5kI to

GND at AOUT1 and AOUT2, unless otherwise noted, TA = -40NC to +125NC. Typical values are at TA = +25NC.) (Note 1)

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL

BAT Supply Range

VBAT

Guaranteed by functional test of IIH, IIL,

and GEI

5.5

BAT Supply Current

IBAT

Normal mode

ISD

VSLEEP = 0V

Hall Input Voltage Dropout

VDO

VBAT = 5.5V, at IN1 and IN2,

IIN = -14mA

0.59

1.26

VBAT = 5.5V, at IN1 and IN2,

IIN = -20mA

0.86

1.86

ESD Protection

Machine Model

±200

Human Body Model

±2000

INPUT THRESHOLDS FOR DOUT1, DOUT2 SWITCHING

Input Current for Output High

(Note 2)

IIH

RSET = 95.3kI

-7.7

RSET = 52.3kI

-14

Input Current for Output Low

(Note 2)

IIL

RSET = 95.3kI

-5

RSET = 52.3kI

-9

Input Current Hysteresis for

High/Low Detection

IIN_HYS

Peak-to-peak as percent of average high/

low threshold (Note 2)

Channel-to-Channel Input

Threshold Variation

High threshold

0.02

Low threshold

0.02

Short-Circuit Current Limit

ISC

A short to GND is not a sustained

condition, Hall input reverts to -50FA when

detected (Note 2)

-20

AOUT1, AOUT2 ANALOG OUTPUTS

Current Gain for AOUT1 and

AOUT2 Outputs

-18mA P IIN P -2mA

0.05

mA/mA

Current Gain Error for AOUT1

and AOUT2 Outputs

GEI

IIN = -5mA, -14mA

0.2

±1.7

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