A3211 ALLEGRO [Allegro MicroSystems], A3211 Datasheet - Page 4

• Manufacturer Part Number: A3211
• Description: Micropower, Ultra-sensitive Hall-effect Switches
• Manufacturer: ALLEGRO [Allegro MicroSystems]

* Typical data is at T
ELECTRICAL CHARACTERISTICS
Supply Voltage Range
Output Leakage Current
Output On Voltage
Awake Time
Period
Duty Cycle
Chopping Frequency
Supply Current
A3211
A3212
Characteristic
and
A
= 25°C and V
DD
= 2.75 V, and is for design information only.
I
Symbol
I
I
DD(AVG)
t
DD(DIS)
t
DD(EN)
V
awake
V
I
period
d.c.
OFF
OUT
f
DD
C
over operating voltage and temperature range (unless otherwise specified).
Operating
V
I
Chip awake (enabled)
Chip asleep (disabled)
V
V
OUT
OUT
DD
DD
= 2.75 V
= 3.5 V
= 1 mA, V
= 3.5 V, Output off
Test Conditions
DD
= 2.75 V
Micropower, Ultrasensitive
Min.
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
2.5
–
–
–
–
–
–
–
–
–
–
Hall Effect Switch
Typ.*
2.75
<1.0
100
340
0.1
5.1
6.7
45
45
–
–
Limits
Max.
300
3.5
1.0
2.0
8.0
90
90
10
10
–
–
Units
kHz
mV
ms
mA
μA
μs
μA
μA
μA
%
V
4