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參數(shù)資料
| 型號： | A3121LUA |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | 霍爾效應傳感器 |
| 英文描述： | HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| 中文描述： | 霍爾效應開關高溫作業(yè) |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 151K |
| 代理商： | A3121LUA |
3121, 3122, AND 3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
FUNCTIONAL BLOCK DIAGRAM
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage
V
CC
Operating
4.5
—
24
V
Output Saturation Voltage
V
OUT(SAT)
I
OUT
= 20 mA, B > B
OP
—
14040
0 mV
Output Leakage Current
I
OFF
V
OUT
= 24 V, B < B
RP
—
<1.010
A
Supply Current
I
CC
B < B
RP
(Output OFF)
—
4.6
9.0mA
Output Rise Time
t
r
R
L
= 820
, C
L
= 20 pF
—
0.04
2.0
s
Output Fall Time
t
f
R
L
= 820
, C
L
= 20 pF
—
0.18
2.0
s
ELECTRICAL CHARACTERISTICS over operating temperature range, at V
CC
= 12 V.
MAGNETIC CHARACTERISTICS in gauss over operating supply voltage range.
Part Numbers*
A3121
A3122
A3123
Characteristic
Min.
Typ.
Max.
Min.
Typ.
Max.
Min.
Typ.
Max
B
OP
at T
A = 25°C
250350450
28034040
0
250345
440
over operating temp. range
22035050
0
260340430
230345
470
B
RP
at T
A = 25°C
125
245
380
140235
330
18024030
0
over operating temp. range
80245
410
120235
360
160240330
B
hys
at T
A = 25°C
7010
5
140
7010
5
140
7010
5
140
over operating temp. range
6010
5
150
7010
5
140
7010
5
140
NOTES: Typical values are at T
A = +25°C and VCC = 12 V.
B
OP = 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, -U, or -UA).
VCC
X
REG.
Dwg. FH-005-2
GROUND
OUTPUT
3
2
1
Copyright 1992, 1999, Allegro MicroSystems, Inc.
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