A3425ELTR-T Allegro Microsystems Inc, A3425ELTR-T Datasheet - Page 2

• Manufacturer Part Number: A3425ELTR-T
• Description: IC SW HALL EFFECT BIPO 8-SOIC
• Manufacturer: Allegro Microsystems Inc
• Type: Bipolar Latchr

Specifications of A3425ELTR-T

• Sensing Range: 35G Trip, -35G Release
• Voltage - Supply: 3.3 V ~ 18 V
• Current - Supply: 6mA
• Current - Output (max): 20mA
• Output Type: Digital, Open Drain
• Features: Ultra Sensitive
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Magnetic Type: Bipolar
• Operating Supply Voltage (min): 3.3V
• Operating Supply Voltage (typ): 5/9/12/15V
• Operating Supply Voltage (max): 18V
• Mag Sensor Operate Point (g): 35Gs
• Mag Sensor Release Point (g): -35Gs
• Mag Sensor Hysteresis(g): 16Gs
• Package Type: SOIC
• Pin Count: 8
• Mounting: Surface Mount
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A3425
Description (continued)
quadrature. The patented chopper stabilization technique cancels
offsets in each channel, and provides stable operation over the
operating temperature and voltage ranges. An on-chip regulator
allows the use of this device over a wide operating voltage range.
Post-assembly factory programming provides sensitive switchpoints
Absolute Maximum Ratings
Supply Voltage
Reverse Battery Voltage
Output Off Voltage
Output Sink Current
Magnetic Flux Density
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Selection Guide
A3425EK-T
A3425ELTR-T
A3425LK-T
A3425LLTR-T
1
23
and notice has been given. Sale of the variant is currently restricted to existing customer applications. The variant should not
be purchased for new design applications because of obsolescence in the near future. Samples are no longer available. Status
date change November 2, 2009. Deadline for receipt of LAST TIME BUY orders is April 30, 2010. Recommended substitutes:
A3425LLTR-T.
Contact Allegro for additional packing options.
Variant is in production but has been determined to be LAST TIME BUY. This classification indicates that the variant is obsolete
Part Number
Characteristic
2
Bulk, 500 pieces/bag
13-in. reel, 3000 pieces/reel
Bulk, 98 pieces/bag
13-in. reel, 3000 pieces/reel
Packing
I
OUTPUT(Sink)
V
Symbol
T
OUTPUT
V
J
1
V
(max)
T
RCC
T
B
CC
stg
A
Ultra-Sensitive Dual-Channel Quadrature
Range E
Range L
4-pin SIP through hole
8-pin SOIC surface mount
4-pin SIP through hole
8-pin SOIC surface mount
Mounting
that are symmetrical between the two switches.
The A3425 is available in a plastic 8-pin SOIC surface mount
package (L) and a plastic 4-pin SIP (K), both in two operating
temperature ranges. Each package is available in a lead (Pb) free
version with 100% matte tin plated leadframe.
Notes
Hall-Effect Bipolar Switch
115 Northeast Cutoff, Box 15036
–40ºC to 150ºC
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
–40ºC to 85ºC
Internally Limited
Ambient, T
–40 to 150
–65 to 170
Unlimited
–40 to 85
Rating
26.5
V
–16
165
CC
A
Units
ºC
ºC
ºC
ºC
V
V
V
–
–
2