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參數(shù)資料
| 型號(hào)： | A3064LKA |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | HALL-EFFECT GEAR-TOOTH SENSOR -AC COUPLED |
| 中文描述： | 霍爾效應(yīng)齒輪齒傳感器交流耦合 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 143K |
| 代理商： | A3064LKA |
3064
HALL-EFFECT
GEAR-TOOTH SENSOR
—AC COUPLED
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 2001 Allegro MicroSystems, Inc.
2
MAGNETIC CHARACTERISTICS over operating temperature and supply voltage range.
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Operate Point
B
OP
Output switches on to off
0
15
27.5
G
Release Point
B
RP
Output switches off to on
-12.5
0
7.5
G
Hysteresis
B
hys
B
OP
- B
RP
5.0
15
35
G
FUNCTIONAL BLOCK DIAGRAM
ELECTRICAL CHARACTERISTICS over operating temperature and supply voltage range.
Limits
Typ.
Characteristic
Symbol
Test Conditions
Min.
Max.
Units
Supply Voltage
V
CC
Operating
4.5
—
24
V
Output Saturation Voltage
V
OUT(SAT)
I
OFF
I
CC
I
OUT
= 18 mA, B < B
RP
V
OUT
= 24 V, B > B
OP
B < B
RP
B > B
OP
-3 dB
—
141
400
mV
Output Leakage Current
—
—
5.0
μ
A
Supply Current
—
11
20
mA
—
9.6
—
mA
High-Frequency Cutoff
f
coh
t
r
t
f
30
—
—
kHz
Output Rise time
V
OUT
= 12 V, R
L
= 820
V
OUT
= 12 V, R
L
= 820
—
0.04
0.2
μ
s
μ
s
Output Fall time
—
0.18
0.3
NOTES: 1. Magnetic switch points are specified as the difference in magnetic fields at the two Hall elements.
2. As used here, negative flux densities are defined as less than zero (algebraic convention).
3. Typical values are at T
= 25
°
C and V
= 12 V.
4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).
OUTPUT
2
X
X
Dwg. FH-008-1
SUPPLY
GROUND
FILTER
FILTER
REG
+
-
1
4
5
3
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