Datasheet > AH277AZ4-BG1

AH277AZ4-BG1

更新时间： 2024-01-06 08:20:00

品牌	Logo	应用领域
美台 - DIODES		传感器换能器
页数	文件大小	规格书
10页	300K
描述
Hall Effect Sensor, -7mT Min, 7mT Max, Plastic/epoxy, Rectangular, 4 Pin, Through Hole Mount, GREEN, TO-94, SIP-4

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AH277AZ4-BG1 技术参数

生命周期：	Transferred	包装说明：	GREEN, TO-94, SIP-4
Reach Compliance Code：	unknown	风险等级：	5.2
主体宽度：	3.6 mm	主体长度或直径：	5.13 mm
滞后：	6 mT	JESD-609代码：	e3
最大磁场范围：	7 mT	最小磁场范围：	-7 mT
安装特点：	THROUGH HOLE MOUNT	最大工作电流：	16 mA
最高工作温度：	85 °C	最低工作温度：	-20 °C
输出类型：	DIGITAL CURRENT	封装形状/形式：	RECTANGULAR
传感器/换能器类型：	MAGNETIC FIELD SENSOR,HALL EFFECT	最大供电电压：	16 V
最小供电电压：	3.5 V	表面贴装：	NO
端子面层：	MATTE TIN	端接类型：	SOLDER
Base Number Matches：	1

AH277AZ4-BG1 数据手册

Data Sheet

COMPLEMENTARY OUTPUT HALL EFFECT LATCH

AH277A

General Description

Features

The AH277A is an integrated Hall sensor with output

driver designed for electronic commutation of brush-

less DC motor applications. The device includes an on-

chip Hall sensor for magnetic sensing, an amplifier

that amplifies the Hall voltage, a Schmitt trigger to

provide switching hysteresis for noise rejection, a tem-

perature compensation circuit to compensate the tem-

perature drift of Hall sensitivity and two

complementary open-collector drivers for sinking

large load current. It also includes an internal band-gap

regulator which is used to provide bias voltage for

internal circuits.

On-Chip Hall Sensor

3.5V to 16V Supply Voltage

400mA (avg) Output Sink Current

Reversed Supply Voltage Protection

-20 C to 85 C Operating Temperature

Low Profile TO-94 (SIP-4L) Package

ESD Rating: 300V (Machine Model)

Applications

Dual-Coil Brushless DC Motor

Dual-Coil Brushless DC Fan

Revolution Counting

Placing the device in a variable magnetic field, if the

magnetic flux density is larger than threshold B , the

Speed Measurement

pin DO will be turned low (on) and pin DOB will be

turned high (off). This output state is held until the

magnetic flux density reverses and falls below B

RP,

then causes DO to be turned high (off) and DOB

turned low (on).

AH277A is available in TO-94 (SIP-4L) package.

TO-94

Figure 1. Package Type of AH277A

Oct. 2009 Rev. 1. 6

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...10

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