參數(shù)資料
型號(hào)： AH277A
廠商： BCD Semiconductor Manufacturing Limited
英文描述： COMPLEMENTARY OUTPUT HALL EFFECT LATCH
中文描述： 互補(bǔ)輸出霍爾效應(yīng)鎖存
文件頁(yè)數(shù)： 1/10頁(yè)
文件大?。?/td> 183K
代理商： AH277A
COMPLEMENTARY OUTPUT HALL EFFECT LATCH
AH277A
1
Jul. 2006 Rev. 1. 2
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
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.
sensitivity
and
two
Placing the device in a variable magnetic field, if the
magnetic flux density is larger than threshold B
OP
, 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 B
RP,
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
-20
o
C to 85
o
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
Speed Measurement
Figure 1. Package Type of AH277A
TO-94
相關(guān)PDF資料
PDF描述
AH277AZ4-AE1 COMPLEMENTARY OUTPUT HALL EFFECT LATCH
AH277AZ4-BE1 COMPLEMENTARY OUTPUT HALL EFFECT LATCH
AH277AZ4-CE1 COMPLEMENTARY OUTPUT HALL EFFECT LATCH
AH278Z4-E1 HIGH VOLTAGE HALL EFFECT LATCH
AH278 HIGH VOLTAGE HALL EFFECT LATCH
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AH277AZ4-AE1 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:COMPLEMENTARY OUTPUT HALL EFFECT LATCH
AH277AZ4-AG1 功能描述:IC HALL EFFECT LATCH 制造商:diodes incorporated 系列:- 包裝:散裝 零件狀態(tài):有效 功能:卡銷 技術(shù):霍爾效應(yīng) 極化:南極 感應(yīng)范圍:5mT 跳閘，-5mT 釋放 測(cè)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(bǔ)償 工作溫度:-20°C ~ 85°C（TA） 封裝/外殼:4-SIP 供應(yīng)商器件封裝:TO-94 標(biāo)準(zhǔn)包裝:1,000
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(tài):有效 功能:卡銷 技術(shù):霍爾效應(yīng) 極化:南極 感應(yīng)范圍:7mT 跳閘，-7mT 釋放 測(cè)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(bǔ)償 工作溫度:-20°C ~ 85°C（TA） 封裝/外殼:4-SIP 供應(yīng)商器件封裝:TO-94 標(biāo)準(zhǔn)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
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