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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL

BAT Supply Range

VBAT

Guaranteed by functional test of IIH, IIL,

and GEI

5.5

18

V

BAT Supply Current

IBAT

Normal mode

1

mA

ISD

VSLEEP = 0V

1

10

µA

Hall Input Voltage Dropout

VDO

VBAT = 5.5V, at IN1 and IN2, IIN = -14mA

0.59

1.26

V

VBAT = 5.5V, at IN1 and IN2, IIN = -20mA

0.86

1.86

ESD Protection

Machine Model

±200

V

Human Body Model

±2000

INPUT THRESHOLDS FOR DOUT1, DOUT2 SWITCHING

Input Current for Output High

(Note 2)

IIH

RSET = 95.3kΩ

-7.7

mA

RSET = 52.3kΩ

-14

Input Current for Output Low

(Note 2)

IIL

RSET = 95.3kΩ

-5

mA

RSET = 52.3kΩ

-9

Input Current Hysteresis for

High/Low Detection

IIN_HYS

Peak-to-peak as percent of average high/

low threshold (Note 2)

8

%

Channel-to-Channel Input

Threshold Variation

High threshold

0.02

mA

Low threshold

0.02

Short-Circuit Current Limit

ISC

A short to GND is not a sustained

condition, Hall input reverts to -50µA when

detected (Note 2)

-20

mA

AOUT1, AOUT2 ANALOG OUTPUTS

Current Gain for AOUT1 and

AOUT2 Outputs

GI

-18mA ≤ IIN ≤ -2mA

0.05

mA/mA

Current Gain Error for AOUT1

and AOUT2 Outputs

GEI

IIN = -5mA, -14mA

0.2

±1.7

%

Input Referred Current Offset

IOS

Inferred from measurements at

IIN = -5mA, -14mA

-120

+120

µA

AOUT_ Dropout Voltage

VBAT = 5.5V, for 5%

current reduction

IIN = -14mA

0.85

1.6

V

IIN = -20mA

1.09

1.75

AOUT_ Output Impedance

500

MΩ

LOGIC I/O (DOUT1, DOUT2)

Output-Voltage Low DOUT1,

DOUT2

VOL

Sink current = 1mA

0.4

V

Three-State Output Current

DOUT1, DOUT2

IOZ

VSLEEP = 0V, 0V ≤ VDOUT_ ≤ 5V

±1

µA

MAX9621

Dual, 2-Wire Hall-Effect Sensor Interface

with Analog and Digital Outputs

www.maximintegrated.com

Maxim Integrated │ 4

DC Electrical Characteristics