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AH276 の電気的特性と機能

AH276のメーカーはBCD Semiconductorです、この部品の機能は「COMPLEMENTARY OUTPUT HALL EFFECT LATCH」です。


製品の詳細 ( Datasheet PDF )

部品番号 AH276
部品説明 COMPLEMENTARY OUTPUT HALL EFFECT LATCH
メーカ BCD Semiconductor
ロゴ BCD Semiconductor ロゴ 




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AH276 Datasheet, AH276 PDF,ピン配置, 機能
COMPLEMENTARY OUTPUT HALL EFFECT LATCH
General Description
Features
Data Sheet
AH276
The AH276 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
· 350mA (avg) Output Sink Current
· Reversed Supply Voltage Protection
· Build in Over Temperature Protection Function
· -20oC to 85oC Operating Temperature
· Low Profile TO-94 (SIP-4L) Package
· ESD Rating: 300V (Machine Model)
Applications
Placing the device in a variable magnetic field, if the · Dual-Coil Brushless DC Motor
magnetic flux density is larger than threshold BOP, the
pin DO will be turned low (on) and pin DOB will be
·
·
Dual-Coil Brushless DC Fan
Revolution Counting
turned high (off). This output state is held until the · Speed Measurement
magnetic flux density reverses and falls below BRP,
then causes DO to be turned high (off) and DOB
turned low (on).
AH276 is available in TO-94 (SIP-4L) package.
Nov. 2009 Rev. 1. 4
TO-94
Figure 1. Package Type of AH276
BCD Semiconductor Manufacturing Limited
1

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AH276 pdf, ピン配列
COMPLEMENTARY OUTPUT HALL EFFECT LATCH
Functional Block Diagram
VCC
1
Regulator
Temperature
Compensation
Hall
Sensor
Amplifier
Schmitt
Trigger
Output
Driver
Over
Temperature
Protection
Data Sheet
AH276
DO
2
4 GND
3
DOB
Figure 3. Functional Block Diagram of AH276
Ordering Information
AH276 -
Circuit Type
E1: Lead Free
G1: Green
Package
Z4: TO-94 (SIP-4L)
Package
TO-94
Temperature
Range
Part Number
Lead Free
Green
AH276Z4-AE1
AH276Z4-AG1
-20 to 85 oC AH276Z4-BE1
AH276Z4-BG1
AH276Z4-CE1
AH276Z4-CG1
Magnetic Characteristics
A: 10 to 50Gauss
B: 5 to 70Gauss
C: 100Gauss
Marking ID
Lead Free
Green
AH276Z4-E1
AH276Z4-G1
AH276Z4-E1
AH276Z4-G1
AH276Z4-E1
AH276Z4-G1
Packing
Type
Bulk
Bulk
Bulk
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with
"G1" suffix are available in green package.
Nov. 2009 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
3


3Pages


AH276 電子部品, 半導体
COMPLEMENTARY OUTPUT HALL EFFECT LATCH
Magnetic Characteristics (Continued)
Data Sheet
AH276
S
Marking Side
N
+14V
AH276
VCC DO DOB GND
1234
R1
820
R2
820
C1 C2
20pF 20pF
DO (VOUT1)
DOB (VOUT2)
Figure 4. Basic Test Circuit
VCC
-40
DO (V)
16
14
12
10
8
6
4
2
-20 0 20
Magnetic Flux Density B (Gauss)
VSAT
40
Figure 5. VDO vs. Magnetic Flux Density
V
SAT
-40
DOB (V)
16
14
12
10
8
6
4
2
-20 0
20
Magnetic Flux Density B (Gauss)
VCC
40
Figure 6. VDOB vs. Magnetic Flux Density
Nov. 2009 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
6

6 Page



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共有リンク

Link :


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