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High Accuracy Analog Speed Sensor IC with Integrated
Filter Capacitor and Dual Zero-Crossing Output Signal
A1425
2
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
The device utilizes advanced temperature compensation for the
high-pass  lter, sensitivity, and Schmitt trigger switchpoints,
to guarantee optimal operation to low frequencies over a wide
range of air gaps and temperatures.
Each Hall effect digital integrated circuit includes a voltage
regulator, two Hall effect elements, temperature compensating
circuitry, a low-level ampli er, band-pass  lter, Schmitt trigger,
and an output driver, which requires a pull-up resistor. The on-
board regulator permits operation with supply voltages from 4.0
to 26.5 V. The output stage can easily switch 20 mA over the full
frequency response range of the device, and is compatible with
both TTL and CMOS logic circuits.
The device is packaged in a 4-pin plastic SIP. It is lead (Pb) free,
with 100% matte tin plated leadframe.
2
3  4
1
Terminal List Table
Name
Number
VCC
1
VOUT
2
TEST
3
GND
4
Pin-out Diagram
Selection Guide
Part Number
Packing
*
Switchpoints
B
RP(MIN)
(G)
B
OP(MAX)
(G)
A1425LK-T
Bulk, 500 pieces/bag
11
11
*
Contact Allegro for additional packing options.
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating    Units
Supply Voltage
V
CC
Refer to Power Derating section
28
V
Reverse Supply Voltage
V
RCC
18
V
Continuous Output Current
I
OUT
 25
mA
Continuous Reverse-Output Current     I
ROUT
50
mA
Operating Ambient Temperature
T
A
Range L
40 to 150    篊
Maximum Junction
T
J(max)
165
篊
Storage Temperature
T
stg
65 to 170    篊
Description (continued)
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相关代理商/技术参数
A1425LK-T 功能描述:IC SENSOR HALL EFFECT AC 4-SIP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR
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A1428AG2 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm
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A1428AS2 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm
A1428AT1 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm
A1428AT2 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm