ats643 Allegro MicroSystems, Inc., ats643 Datasheet - Page 2

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ats643

Manufacturer Part Number
ats643
Description
Ats643lsh Self-calibrating Zero-speed Differential Gear Tooth Sensors With Continuous Update
Manufacturer
Allegro MicroSystems, Inc.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ats643LSHTN-I1-T
Manufacturer:
VISHAY
Quantity:
200
Part Number:
ats643LSHTN-I2-T
Manufacturer:
ALLEGRO
Quantity:
5 600
ATS643LSH
Features and Benefits (continued)
▪ AGC and reference adjust circuit
▪ True zero-speed operation
▪ Undervoltage lockout
▪ Wide operating voltage range
▪ Defined power-on state
Absolute Maximum Ratings
Supply Voltage
Reverse-Supply Voltage
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
1
been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted
to existing customer applications. The device should not be purchased for new design applications because obsolescence
in the near future is probable. Samples are no longer available. Status change: May 1, 2006. These variants include:
ATS643LSHTN-I1 and ATS643LSHTN-I2.
2
3
Pb-based variants are being phased out of the product line. Certain variants cited in this footnote are in production but have
Contact Allegro for additional packing options.
Some restrictions may apply to certain types of sales. Contact Allegro for details.
Pin-out Diagram
ATS643LSHTN-I1-T
ATS643LSHTN-I2-T
Part Number
1
2
3
Characteristic
4
Pb-free
Yes
Yes
1
Symbol
T
Terminal List
V
J
Tape and Reel 13-in. 800 pcs./reel
Tape and Reel 13-in. 800 pcs./reel
V
(max)
T
RCC
T
Name
TEST
CC
stg
GND
VCC
A
NC
Gear Tooth Sensor with Continuous Update
See Power Derating section
Range L
Self-Calibrating, Zero-Speed Differential
Packing
Connects power supply to chip
No connection. Float or tie to VCC
For Allegro use, float or tie to GND
Ground terminal
2
Description (continued)
the device specifications even through large changes in air gap
or temperature.
The regulated current output is configured for two-wire operation,
offering inherent diagnostic information. This device is ideal for
obtaining speed and duty cycle information in gear-tooth based
applications such as transmission speed sensing.
Notes
Description
6.0 Low to 14.0 High mA
7.0 Low to 14.0 High mA
I
CC
Typical
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
–40 to 150
–65 to 170
Rating
–18
165
Number
1
2
3
4
Units
ºC
ºC
ºC
V
2

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