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| 型号： | AH277AZ4-AG1 |
| 厂商： | BCD SEMICONDUCTOR MANUFACTURING LTD |
| 元件分类： | 磁阻传感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -5-5mT, RECTANGULAR, THROUGH HOLE MOUNT |
| 封装： | GREEN, TO-94, SIP-4 |
| 文件页数： | 1/10页 |
| 文件大小： | 593K |
| 代理商： | AH277AZ4-AG1 |
COMPLEMENTARY OUTPUT HALL EFFECT LATCH
AH277A
1
Oct. 2009 Rev. 1. 6
BCD Semiconductor Manufacturing Limited
Data Sheet
General Description
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.
Placing the device in a variable magnetic field, if the
magnetic flux density is larger than threshold BOP, the
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 BRP,
then causes DO to be turned high (off) and DOB
turned low (on).
AH277A is available in TO-94 (SIP-4L) package.
Features
On-Chip Hall Sensor
3.5V to 16V Supply Voltage
400mA (avg) Output Sink Current
Reversed Supply Voltage Protection
-20oC to 85oC 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
Speed Measurement
Figure 1. Package Type of AH277A
TO-94
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AH277AZ4-BE1 | 制造商:BCDSEMI 制造商全称:BCD Semiconductor Manufacturing Limited 功能描述:COMPLEMENTARY OUTPUT HALL EFFECT LATCH |
| AH277AZ4-BG1 | 功能描述:IC HALL EFFECT LATCH 制造商:diodes incorporated 系列:- 包装:散装 零件状态:有效 功能:卡销 技术:霍尔效应 极化:南极 感应范围:7mT 跳闸，-7mT 释放 测试条件:25°C 电压 - 电源:3.5 V ~ 16 V 电流 - 电源（最大值）:16mA 电流 - 输出（最大值）:400mA 输出类型:开路集电极 特性:温度补偿 工作温度:-20°C ~ 85°C（TA） 封装/外壳:4-SIP 供应商器件封装:TO-94 标准包装:1,000 |
| AH277AZ4-CE1 | 制造商:BCDSEMI 制造商全称:BCD Semiconductor Manufacturing Limited 功能描述:COMPLEMENTARY OUTPUT HALL EFFECT LATCH |
| AH277AZ4-CG1 | 功能描述:IC HALL EFFECT LATCH 制造商:diodes incorporated 系列:- 包装:散装 零件状态:有效 功能:卡销 技术:霍尔效应 极化:南极 感应范围:10mT 跳闸，-10mT 释放 测试条件:25°C 电压 - 电源:3.5 V ~ 16 V 电流 - 电源（最大值）:16mA 电流 - 输出（最大值）:400mA 输出类型:开路集电极 特性:温度补偿 工作温度:-20°C ~ 85°C（TA） 封装/外壳:4-SIP 供应商器件封装:TO-94 标准包装:1,000 |
| AH278 | 制造商:BCDSEMI 制造商全称:BCD Semiconductor Manufacturing Limited 功能描述:HIGH VOLTAGE HALL EFFECT LATCH |
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