A3421EKA datasheet, PDF - EEWORLD Datasheet

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A3421EKA: DescriptionTWO PART BOARD CONNECTOR, SOCKET; CategoryThe sensor; File Size161KB，12 Pages; ManufacturerAllegro; Websitehttp://www.allegromicro.com/

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A3421EKA Overview

TWO PART BOARD CONNECTOR, SOCKET

A3421EKA Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Allegro
package instruction	SIP5,.028,50
Reach Compliance Code	unknow
body width	1.55 mm
body height	4.53 mm
Body length or diameter	6.33 mm
shell	PLASTIC
lag	26 mT
JESD-609 code	e0
Maximum magnetic field range	28 mT
Minimum magnetic field range	-28 mT
Installation features	THROUGH HOLE MOUNT
Number of terminals	5
Maximum working current	18 mA
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
output	OPEN-COLLECTOR
Output polarity	INVERTING
Output range	0.21V
Output type	DIGITAL VOLTAGE
Package body material	PLASTIC/EPOXY
Encapsulate equivalent code	SIP5,.028,50
Package Shape/Form	RECTANGULAR
power supply	4.5/18 V
Sensor/temperature sensor type	MAGNETIC FIELD SENSOR,HALL EFFECT
surface mount	NO
technology	BICMOS
Terminal surface	Tin/Lead (Sn/Pb)
Termination type	SOLDER

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3421

AND

3422

PRELIMINARY INFORMATION

(subject to change without notice)

September 6, 2000

HALL-EFFECT,

DIRECTION-DETECTION SENSORS

The A3421xKA and A3422xKA Hall-effect, direction-detection

sensors are a new generation of special-function integrated sensors that

are capable of sensing the direction of rotation of a ring magnet. These

transducers provide separate digital outputs that provide information on

magnet rotation speed, direction, and magnet pole count. These devices

eliminate the major manufacturing hurdles encountered in fine-pitch

direction-detection applications, namely maintaining accurate mechani-

cal location between the two active Hall elements. Here, the two Hall

elements are photolithographically aligned to better than 1

µm,

contrasted with 100

µm

or worse mechanical location tolerance when

manufactured discretely. These highly sensitive, temperature-stable,

magnetic transducers are ideal for use in digital-encoder systems in the

harsh environments of automotive or industrial applications. The

A3421xKA is a high-hysteresis device designed for low-resolution

pulse counting while the A3422xKA is a high-sensitivity device

optimized for use with high-density magnets.

The A3421xKA and A3422xKA monolithic integrated circuits

contain two independent Hall-effect latches whose digital outputs are

internally coupled to CMOS logic circuitry that decodes signal speed

and direction. Extremely low-drift BiCMOS circuitry is used for the

amplifiers to ensure symmetry between the two latches so that signal

quadrature can be maintained. An on-chip voltage regulator allows the

use of these devices from a 4.5 V to 18 V supply. Both devices have

standard open-collector outputs; the logic operation of both devices is

the same.

Two operating temperature ranges are provided; suffix ‘E–’ is for

the automotive and industrial temperature range of -40°C to +85°C,

suffix ‘L–’ is for the automotive and military temperature range of

-40°C to +150°C. The 5-pin ‘KA’ SIP package provides a cost-com-

petitive solution to linear magnetic sensing in harsh environments.

Data Sheet

27650.1

LOGIC

VCC

DIRECTION

GROUND

E1 OUTPUT

SUPPLY

Dwg. PH-015

Pinning is shown viewed from branded side.

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, V

. . . . . . . . . . . . .

18 V

Magnetic Flux Density, B . . . .

Unlimited

Output OFF Voltage, V

OUT

. . . . . . . .

Output Sink Current, I

OUT

. . . . . . .

30 mA

Package Power Dissipation,

. . . . . . . . . . . . . . . . . . . . . .

500 mW

Operating Temperature Range, T

Suffix ‘EKA’ . . . . . . .

-40˚C to +85˚C

Suffix ‘LKA’ . . . . . .

-40˚C to +150˚C

Storage Temperature Range,

. . . . . . . . . . . . . . .

-65˚C to +170˚C

SPEED

FEATURES

Internal Direction-Decoding Circuitry

Two Matched Hall Latches On A Single Substrate

Superior Temperature Stability

4.5 V to 18 V Operation

Electrically Defined Power-On State

Under-Voltage Lockout

Always order by complete part number, e.g.,

A3421EKA

A3421EKA Related Products

	A3421EKA	3421	A3421LKA
Description	TWO PART BOARD CONNECTOR, SOCKET	TWO PART BOARD CONNECTOR, SOCKET	TWO PART BOARD CONNECTOR, SOCKET
Is it Rohs certified?	incompatible	-	incompatible
Maker	Allegro	-	Allegro
package instruction	SIP5,.028,50	-	SIP5,.028,50
Reach Compliance Code	unknow	-	unknow
body width	1.55 mm	-	1.55 mm
body height	4.53 mm	-	4.53 mm
Body length or diameter	6.33 mm	-	6.33 mm
shell	PLASTIC	-	PLASTIC
lag	26 mT	-	26 mT
JESD-609 code	e0	-	e0
Maximum magnetic field range	28 mT	-	28 mT
Minimum magnetic field range	-28 mT	-	-28 mT
Installation features	THROUGH HOLE MOUNT	-	THROUGH HOLE MOUNT
Number of terminals	5	-	5
Maximum working current	18 mA	-	18 mA
Maximum operating temperature	85 °C	-	150 °C
Minimum operating temperature	-40 °C	-	-40 °C
output	OPEN-COLLECTOR	-	OPEN-COLLECTOR
Output polarity	INVERTING	-	INVERTING
Output range	0.21V	-	0.21V
Output type	DIGITAL VOLTAGE	-	DIGITAL VOLTAGE
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY
Encapsulate equivalent code	SIP5,.028,50	-	SIP5,.028,50
Package Shape/Form	RECTANGULAR	-	RECTANGULAR
power supply	4.5/18 V	-	4.5/18 V
Sensor/temperature sensor type	MAGNETIC FIELD SENSOR,HALL EFFECT	-	MAGNETIC FIELD SENSOR,HALL EFFECT
surface mount	NO	-	NO
technology	BICMOS	-	BICMOS
Terminal surface	Tin/Lead (Sn/Pb)	-	Tin/Lead (Sn/Pb)
Termination type	SOLDER	-	SOLDER

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