A3423LK-T Allegro Microsystems Inc, A3423LK-T Datasheet - Page 3

• Manufacturer Part Number: A3423LK-T
• Description: IC DIRECTION SENSOR 2CH 4-SIP
• Manufacturer: Allegro Microsystems Inc
• Type: Special Purposer

Specifications of A3423LK-T

• Package / Case: 4-SIP
• Sensing Range: 55G Trip, -55G Release
• Voltage - Supply: 3.8 V ~ 24 V
• Current - Supply: 14mA
• Current - Output (max): 30mA
• Output Type: Digital, Open Collector
• Features: Regulated Voltage
• Operating Temperature: -40°C ~ 150°C
• Output Current: 30mA
• Sensor Case Style: SIP
• No. Of Pins: 4
• Supply Voltage Range: 3.8V To 24V
• Operating Temperature Range: -40°C To +150°C
• Base Number: 3423
• Supply Voltage: RoHS Compliant
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1207

A3423
OPERATING CHARACTERISTICS valid at T
Electrical Characteristics
Supply Voltage
Output Leakage Current
Undervoltage Lockout
Undervoltage Hysteresis
Output Rise Time
Output Fall Time
Supply Current
Low Output Voltage
Output Current Limit
Speed Output Delay*
Power-on Time
Transient Protection Characteristics
Supply Zener Voltage
Output Zener Voltage
Supply Zener Current
Output Zener Current
Reverse Battery Current
Magnetic Characteristics
Operate Point (Channel A and Channel B)
Release Point (Channel A and Channel B)
Hysteresis (Channel A and Channel B)
Operate Symmetry
Release Symmetry
* Valid only after the first speed (SPD pin) signal transition. First speed signal transition has no delay.
Characteristics
Dual Channel Hall Effect Direction Detection Sensor
A
= –40°C to 150°C, T
SYM
SYM
Symbol
V
V
V
V
I
I
CC(hys)
CC(UV)
Z(sup)
I
V
I
Z(out)
B
B
V
B
I
Z(sup)
I
t
Z(out)
RCC
OFF
CC
OM
ON
t
t
CC
t
OP
RP
hys
OP(AB)
RP(AB)
sat
d
r
f
Operating, T
All outputs V
Lockout (V
C
C
All outputs; I
All outputs
Delay between direction changing and speed
output transition
B > B
I
I
V
V
V
B
B
B
B
B
CC
OUT
LOAD
LOAD
supply
OUT
RCC
(A)
(A)
OP
OP(A)
RP(A)
= 17 mA, T
> B
< B
– B
= 3 mA, T
OP
= 30 V, T
= –28 V, T
J
– B
= 20 pF, R
= 20 pF, R
– B
= 30 V, T
≤ T
OP(A)
OP(A)
RP
+ 5 G
RP(B)
OP(B)
CC(UV)
J
(max), through full operating air gap range, unless otherwise noted
OUT
, B
, B
OUT
J
A
≤ 165°C
A
A
(B)
(B)
A
A
= 25°C
= 25°C
= 25°C
Test Conditions
= 15 mA; B > B
≤ V
) – Shutdown
LOAD
LOAD
= 25°C
= 25°C
> B
< B
CC
OP(B)
OP(B)
= 1 kΩ
= 1 kΩ
(max)
OP(A)
, B > B
OP(B)
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Min.
–35
–55
–50
–50
3.8
3.4
0.5
30
30
30
10
–
–
–
–
–
–
–
–
–
–
Typ.
200
300
210
–15
0.4
8.2
2.5
<1
15
30
–
–
–
2
–
–
–
–
–
–
–
Max.
500
3.7
24
10
14
60
17
15
55
35
60
50
50
–
–
–
5
5
–
–
3
Units
mA
mV
mA
mA
mA
mA
μA
ns
ns
μs
μs
V
V
V
V
V
G
G
G
G
G
3