參數(shù)資料
型號(hào)： 3188
廠商： Allegro MicroSystems, Inc.
英文描述： Hall-Effect Latch For High-Temperature Operation(工作于高溫的霍爾效應(yīng)鎖存器)
中文描述： 霍爾效應(yīng)鎖存對(duì)于高溫作業(yè)（工作于高溫的霍爾效應(yīng)鎖存器）
文件頁(yè)數(shù)： 2/8頁(yè)
文件大?。?/td> 181K
代理商： 3188
3185
THRU
3189
HALL-EFFECT LATCHES
FOR HIGH-TEMPERATURE
OPERATION
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1995, 1999, Allegro MicroSystems, Inc.
ELECTRICAL CHARACTERISTICS over operating temperature range, at V
CC
= 12 V.
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage
V
CC
Operating
3.8
—
24
V
Output Saturation Voltage
V
OUT(SAT)
I
OUT
= 20 mA, B > B
OP
—
175
400
mV
Output Leakage Current
I
OFF
V
OUT
= 24 V, B < B
RP
—
0.05
5.0
μ
A
Supply Current
I
CC
B < B
RP
(Output OFF)
—
4.75
8.0
mA
B > B
OP
(Output ON)
—
5.7
—
mA
Output Rise Time
t
r
R
L
= 820
, C
L
= 20 pF
—
100
—
ns
Output Fall Time
t
f
R
L
= 820
, C
L
= 20 pF
—
100
—
ns
MAGNETIC CHARACTERISTICS in gauss over operating supply voltage range.
Part Numbers*
A3185
A3187
A3188
A3189
Characteristic
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
B
OP
at T
A
= 25
°
C
170
270
50
150
100
180
50
230
over operating temp. range
140
300
50
175
80
200
50
250
B
RP
at T
A
= 25
°
C
-270
-170
-150
-50
-180
-100
-230
-50
over operating temp. range
-300
-140
-175
-50
-200
-80
-250
-50
B
hys
at T
A
= 25
°
C
340
540
100
300
200
360
100
460
over operating temp. range
280
600
100
350
160
400
100
500
FUNCTIONAL BLOCK DIAGRAM
NOTES: B
OP
= operate point (output turns ON); B
RP
= release point (output turns OFF); B
hys
= hysteresis (B
OP
- B
RP
).
As used here, negative flux densities are defined as less than zero (algebraic convention).
*Complete part number includes a suffix to identify operating temperature range (E or L) and package type ( LT, U, or UA).
V
CC
X
REG.
Dwg. FH-005-3
GROUND
OUTPUT
1
3
2
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