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PDF AH920 Data sheet ( Hoja de datos )
| Número de pieza | AH920 | |
| Descripción | HIGH SENSITIVITY CMOS HALL-EFFECT LATCH | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AH920 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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A Product Line of
Diodes Incorporated
Description
The AH920 is a Hall-effect latch designed in mixed signal CMOS
technology. It is quite suitable for use in automotive, industrial and
consumer applications.
Superior high-temperature performance is made possible through
dynamic offset cancellation, which reduces the residual offset voltage
normally caused by device over-molding, temperature dependencies,
and thermal stress. The device integrates a voltage regulator, Hall-
voltage generator, small-signal amplifier, chopper stabilization, schmitt
trigger, and open-drain output.
An on-board regulator permits operation with supply voltage from
3.5V to 20V.
The AH920 is available in TO-92S-3 and SOT-23-3 packages, which
are optimized for most applications.
AH920
HIGH SENSITIVITY CMOS HALL-EFFECT LATCH
Pin Assignments
(Front View)
3 OUT
2 GND
1 VCC
TO-92S-3 (Z3 Package)
(Top View)
GND
3
Features
Wide Operating Voltage Range from 3.5V to 20V
Symmetrical Switch Points
Chopper-stabilized Amplifier Stage
Superior Temperature Stability
Open-drain Output
Compact Size
ESD Rating: 6000V (Human Body Model)
Typical Applications Circuit
VCC1
RL
Output
CL
0.1mF
VCC2
1
VCC
2
OUT
SOT-23-3 (N Package)
Applications
Brushless DC Motor Commutation
Brushless DC Fan
Solid-state Switch
Revolution Counting
Speed Detection
High Sensitivity and Unconnected Switch
Output
RL
VCC
CL
0.1mF
AH920
Document number: DS36768 Rev. 2 - 2
1 of 13
www.diodes.com
December 2013
© Diodes Incorporated
1 page  
Magnetic Characteristics (Cont.)
South Pole
A Product Line of
Diodes Incorporated
AH920
North Pole
Output=Low (For TO-92S-3)
South Pole
Output=High (For TO-92S-3)
North Pole
Output=High (For SOT-23-3)
Output=Low (For SOT-23-3)
Figure 2. Output Status vs. Magnetic Pole
Package Type
TO-92S-3
SOT-23-3
Parameter
South Pole
North Pole
South Pole
North Pole
Test Condition
B＞BOP
B＜BRP
B＞BOP
B＜BRP
Table 1. Output Status vs. Magnetic Pole
Output
Low
High
High
Low
AH920
Document number: DS36768 Rev. 2 - 2
5 of 13
www.diodes.com
December 2013
© Diodes Incorporated
5 Page 
Package Outline Dimensions (All dimensions in mm(inch).)
(1) Package Type: TO-92S-3
44 0.750(0.030)
46 TYP
1.420(0.056)
1.620(0.064)
1.850(0.073)
2.150(0.085)
Package Sensor Location
0.380(0.015)
0.550(0.022)
3.850(0.152)
4.150(0.163)
1.200(0.047)
1.500(0.059)
2.900(0.114)
3.310(0.130)
1.600(0.063)
TYP
0.360(0.014)
0.480(0.019)
1.270(0.050)
TYP
A Product Line of
Diodes Incorporated
AH920
14.000(0.551)
15.500(0.610)
0.360(0.014)
0.510(0.020)
AH920
Document number: DS36768 Rev. 2 - 2
11 of 13
www.diodes.com
December 2013
© Diodes Incorporated
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AH920.PDF ] | |
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