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參數資料
| 型號： | AH277AZ4-AG1 |
| 廠商： | BCD SEMICONDUCTOR MANUFACTURING LTD |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -5-5mT, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | GREEN, TO-94, SIP-4 |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| AH277AZ4-BE1 | 制造商:BCDSEMI 制造商全稱: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:- 包裝:散裝 零件狀態:有效 功能:卡銷 技術:霍爾效應 極化:南極 感應范圍:7mT 跳閘，-7mT 釋放 測試條件:25°C 電壓 - 電源:3.5 V ~ 16 V 電流 - 電源（最大值）:16mA 電流 - 輸出（最大值）:400mA 輸出類型:開路集電極 特性:溫度補償 工作溫度:-20°C ~ 85°C（TA） 封裝/外殼:4-SIP 供應商器件封裝:TO-94 標準包裝:1,000 |
| AH277AZ4-CE1 | 制造商:BCDSEMI 制造商全稱: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:- 包裝:散裝 零件狀態:有效 功能:卡銷 技術:霍爾效應 極化:南極 感應范圍:10mT 跳閘，-10mT 釋放 測試條件:25°C 電壓 - 電源:3.5 V ~ 16 V 電流 - 電源（最大值）:16mA 電流 - 輸出（最大值）:400mA 輸出類型:開路集電極 特性:溫度補償 工作溫度:-20°C ~ 85°C（TA） 封裝/外殼:4-SIP 供應商器件封裝:TO-94 標準包裝:1,000 |
| AH278 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:HIGH VOLTAGE HALL EFFECT LATCH |
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