High-Temperature Hall-Effect Latches
for Low Voltage Applications
APS12205,
APS12215,
and APS12235
4
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ELECTRICAL CHARACTERISTICS: Valid over full operating voltage and T
A
= –40°C to 150°C, unless otherwise noted
Characteristics Symbol Test Conditions Min. Typ.
1
Max. Unit
2
ELECTRICAL CHARACTERISTICS
Forward Supply Voltage V
CC
Operating, T
J
< 175°C 2.8 – 5.5 V
Supply Current I
CC
V
CC
= 5.5 V – 2 4 mA
Output Leakage Current I
OUTOFF
V
OUT
= 5.5 V, B < B
RP
– – 10 µA
Output Saturation Voltage V
OUT(SAT)
I
OUT
= 5 mA, B > B
OP
– 50 500 mV
Output Current I
OUT
Recommended value used during characterization – 5 – mA
Output Short-Circuit Current Limit I
OM
B > B
OP
30 – 60 mA
Power-On Time
3
t
ON
V
CC
≥ 2.8 V, B < B
RP
(min) – 10 G,
B > B
OP
(max) + 10 G
– – 25 µs
Power-On State, Output
3
POS V
CC
≥ V
CC
(min), t < t
ON
Low –
Chopping Frequency f
C
– 800 – kHz
Output Rise Time
3,4
t
r
R
L
= 1 kΩ, C
L
= 20 pF – 0.2 2 µs
Output Fall Time
3,4
t
f
R
L
= 1 kΩ, C
L
= 20 pF – 0.1 2 µs
MAGNETIC CHARACTERISTICS
Operate Point B
OP
APS12205 5 22 40 G
APS12215 15 50 90 G
APS12235 100 150 180 G
Release Point B
RP
APS12205 –40 –22 –5 G
APS12215 –90 –50 –15 G
APS12235 –180 –150 –100 G
Hysteresis B
HYS
APS12205
(B
OP
– B
RP
)
10 45 80 G
APS12215 30 100 180 G
APS12235 200 300 360 G
1
Typical data are are at T
A
= 25°C and V
CC
= 5 V, and are for initial design estimations only.
2
1 G (gauss) = 0.1 mT (millitesla).
3
Guaranteed by device design and characterization.
4
C
L
= oscilloscope probe capacitance.
