ats643 Allegro MicroSystems, Inc., ats643 Datasheet - Page 3

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

ATS643LSH
OPERATING CHARACTERISTICS using reference target 60-0, T
ELECTRICAL CHARACTERISTICS
Supply Voltage
Undervoltage Lockout
Supply Zener Clamp Voltage
Supply Current
Supply Current Ratio
POWER-ON CHARACTERISTICS
Power-On State
Power-On Time
OUTPUT STAGE
Output Slew Rate
Output State
Continued on the next page.
Characteristic
1
2
I
Symbol
V
I
I
CC(High)
I
I
CC(High)
CC(Low)
CC(Low)
CC(PO)
V
CC(UV)
dI/dt
V
V
t
OUT
on
CC
Z
/
Operating; T
I
ATS643-I2; T
ATS643-I1
ATS643-I2
ATS643-I1
ATS643-I2
Ratio of high current to low current
t < t
Target gear speed < 100 rpm
R
R
R
V
CC
LOAD
SENSE
SENSE
Gear Tooth Sensor with Continuous Update
CC
= 19 mA for ATS643-I1, and 19.8 mA for
on
0 → 5 V
; dI/dt < 5 μs
= 100 Ω, C
Self-Calibrating, Zero-Speed Differential
on high side (VCC pin); I
on low side (GND pin); I
J
A
< 165 °C
= 25°C
Test Conditions
LOAD
A
= 10 pF
and V
CC
CC
within specification, unless otherwise noted
CC
= I
= I
CC(High)
CC(High)
Min.
12.0
11.8
1.85
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
4.0
4.0
5.9
28
–
–
–
–
–
–
Typ.
14.0
High
High
14.0
Low
3.5
–
–
6
7
–
1
7
Max.
16.0
16.8
3.05
4.0
8.0
8.4
24
–
–
2
–
–
–
mA/μs
Units
mV
mV
mA
mA
mA
mA
mA
ms
V
V
V
–
3