DataSheet.fr

PDF A3121 Fiche technique ( Data sheet )

Numéro de référence A3121
Description HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION
Fabricant Allegro MicroSystems 
Logo Allegro MicroSystems Logo 



9 Pages
		

No Preview Available !

A3121 Datasheet, Description
A3121, A3122, and A3133
Hall Effect Switches for High Temperature Operation
Discontinued Product
These parts are no longer in production The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: October 31, 2005
Recommended Substitutions:
For new customers and applications, refer to the A110x family.
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a
product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information
included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor
for any infringements of patents or other rights of third parties which may result from its use.
A3121 Fiche technique
3121, 3122, AND 3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
ELECTRICAL CHARACTERISTICS over operating temperature range, at VCC = 12 V.
Characteristic
Supply Voltage
Output Saturation Voltage
Output Leakage Current
Supply Current
Output Rise Time
Output Fall Time
Symbol
VCC
VOUT(SAT)
IOFF
ICC
tr
tf
Test Conditions
Operating
IOUT = 20 mA, B > BOP
VOUT = 24 V, B < BRP
B < BRP (Output OFF)
RL = 820 , CL = 20 pF
RL = 820 , CL = 20 pF
Min.
4.5
Limits
Typ. Max.
— 24
140 400
<1.0
10
4.6 9.0
0.04
2.0
0.18
2.0
Units
V
mV
µA
mA
µs
µs
MAGNETIC CHARACTERISTICS in gauss over operating supply voltage range.
Characteristic
BOP at TA = 25°C
over operating temp. range
BRP at TA = 25°C
over operating temp. range
Bhys at TA = 25°C
over operating temp. range
Min.
250
220
125
80
70
60
A3121
Typ. Max.
350 450
350 500
245 380
245 410
105 140
105 150
Part Numbers*
A3122
Min. Typ. Max.
280 340 400
260 340 430
140 235 330
120 235 360
70 105 140
70 105 140
A3123
Min. Typ.
250 345
230 345
180 240
160 240
70 105
70 105
Max
440
470
300
330
140
140
NOTES: Typical values are at TA = +25°C and VCC = 12 V.
BOP = operate point (output turns ON); BRP = release point (output turns OFF); Bhys = hysteresis (BOP - BRP).
*Complete part number includes a suffix to identify operating temperature range (E- or L-) and package type ( -LT or -UA).
FUNCTIONAL BLOCK DIAGRAM
1 VCC
REG.
X 3 OUTPUT
2 GROUND
Dwg. FH-005-2
115 Northeast Cutoff, Box 15036
2 Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1992, 2002 Allegro MicroSystems, Inc.

3 Page

A3121 pdf
3121, 3122, AND 3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
PACKAGE DESIGNATOR ‘LT’
(SOT89/TO-243AA)
Dimensions in Inches
(for reference only)
Dimensions in Millimeters
(controlling dimensions)
0.167
0.155
0.181
0.173
0.072
0.064
0.102
1 2 3 0.090
0.047
0.035
0.059
BSC
0.0189
0.0142
0.0221
0.0173
0.118
BSC
0.063
0.055
0.090
0.084
0.0173
0.0138
Dwg. MA-009-3A in
4.25
3.94
4.60
4.40
1.83
1.62
2.60
1 2 3 2.29
1.20
0.89
1.50
BSC
0.48
0.36
0.56
0.44
3.00
BSC
1.60
1.40
2.29
2.13
0.44
0.35
Dwg. MA-009-3A mm
0.098
0.079
B
A
0.031
0.102
0.181
1 2 3 0.047
0.028
TYP
0.031
TYP
Pads 1, 2, 3, and A Standard SOT89 Layout
Pads 1, 2, 3, and B Low-Stress Version
Pads 1, 2, and 3 only Lowest Stress, But Not Self Aligning
Dwg. MA-012-3 in
2.5
2.0
B
A
0.8
2.6
4.6
1 2 3 1.2
0.7 0.8
TYP TYP
Pads 1, 2, 3, and A Standard SOT89 Layout
Pads 1, 2, 3, and B Low-Stress Version
Pads 1, 2, and 3 only Lowest Stress, But Not Self Aligning
Dwg. MA-012-3 mm
NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown.
2. Supplied in bulk pack (500 pieces per bag) or add "TR" to part number for tape and reel.
3. Only low-temperature (240°C) reflow-soldering techniques are recommended for SOT89 devices.
www.allegromicro.com
5

6페이지



Constitution9 Pages
Télécharger[ A3121.PDF ]

Liens de partage


Fiche technique recommandé

RéférenceDescriptionFabricant
A3121HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3121LTHALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3121UHALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3121UAHALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3122HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3122LTHALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3122UHALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3122UAHALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems
A3123HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATIONAllegro MicroSystems
Allegro MicroSystems

RéférenceDescriptionFabricant
H6060Monolithic low-power CMOS device combining a programmable timerEM Microelectronic - MARIN SA
EM Microelectronic - MARIN SA
IT8772EHighly integrated Super I/O using the Low Pin Count InterfaceITE
ITE

Un datasheet est un document fourni par le constructeur du composant, où figurent toutes les données techniques sur le produit: puissance dissipée, courant maximal, tension de seuil, tension de claquage, température de stockage, etc.


www.DataSheet.fr    |   2020   |  Contactez-nous    |   Recherche