A1233 Datasheet, PDF (2/12 Pages) Allegro MicroSystems – Dual-Channel Hall-Effect Direction Detection Sensor IC

A1233
Dual-Channel Hall-Effect Direction Detection Sensor IC
Description (continued)
TheA1233 has integrated protection against transients on the supply
and output pins and short-circuit protection on all outputs.
The A1233 is available in a 4-pin SIP and a plastic 8-pin SOIC
surface-mount package. Both packages are lead (Pb) free, with
100% matte-tin leadframe plating.
Selection Guide
Part Number
Package
A1233LK-T
4-pin through hole SIP
A1233LLTR-T 8-pin surface mount SOIC
*Contact Allegro for additional packing options.
Packing*
Bulk bag, 500 pieces/bag
Tape and reel, 3000 pieces/reel
T_A
(°C)
–40 to 150
Absolute Maximum Ratings
Characteristic
Supply Voltage
Reverse Battery Voltage
Output Off Voltage
Reverse Output Voltage
Reverse Output Current
Output Sink Current
Magnetic Flux Density
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Symbol
V_CC
V_RCC
V_OUTPUT
V_ROUT
I_ROUT
I_OUTPUT(Sink)
B
T_A
T_J(max)
T_stg
Range L
Notes
Rating
26.5
–18
V_CC
–0.5
–10
30
Unlimited
–40 to 150
165
–65 to 170
Units
V
V
V
V
mA
mA
–
ºC
ºC
ºC
Pin-Out Diagrams
VCC 1
DIR 2
OUTA 3
SPD 4
8 GND
7 NC
6 NC
5 OUTB
1 2 34
L Package
K Package
Terminal List Table
Number
K
L
Name
Description
1
1
VCC Input power supply; tie to GND with bypass capacitor
2
2
DIR Output signal indicating direction of target movement
–
3 OUTA Output from E1 via a Schmitt circuit
3
4
SPD Output signal indicating speed of target movement
–
5 OUTB Output from E2 via a Schmitt circuit
– 6, 7 NC No connection
4
8
GND Ground connection
Allegro MicroSystems, LLC
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com