參數(shù)資料
型號(hào)： A3197EU
廠商： Allegro MicroSystems, Inc.
英文描述： IC SENSOR QWHEEL ROTARY 14TSSOP
中文描述： 保護(hù)，高溫，集電極開路霍爾效應(yīng)鎖存
文件頁數(shù)： 3/12頁
文件大?。?/td> 193K
代理商： A3197EU
3197
PROTECTED, HIGH-TEMP.,
OPEN-COLLECTOR
HALL-EFFECT LATCH
www.allegromicro.com
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Operate Point
B
OP
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +150
°
C
60
50
40
130
110
105
200
160
150
G
G
G
Release Point
B
RP
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +150
°
C
-200
-160
-150
-140
-120
-100
-60
-50
-40
G
G
G
Hysteresis
(B
OP
- B
RP
)
B
hys
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +150
°
C
150
130
110
270
230
205
—
—
—
G
G
G
ELECTRICAL CHARACTERISTICS
over operating voltage and temperature range
(unless otherwise specified).
MAGNETIC CHARACTERISTICS over operating voltage range
(unless otherwise specified).
NOTES:B
OP
= magnetic operate point (output turns ON); B
RP
= magnetic release point (output turns OFF).
As used here, negative flux densities are defined as less than zero (algebraic convention).
Typical values are at T
A
= +25
°
C and V
CC
= 12 V (unless otherwise specified).
* Fault condition. Device is shut down and operation is not possible.
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage
V
CC
Operating (but V
CC
x I
CC
vs T
A
limited)
V
CC(UV)
12
26
V
Overvoltage Shutdown*
V
CC(OV)
B > B
OP
28
—
55
V
Undervoltage Shutdown*
V
CC(UV)
B > B
OP
3.7
—
4.5
V
Output Voltage, On
V
OUT(SAT)
B > B
OP,
I
OUT
= 30 mA, V
CC
= 16 V
—
0.2
0.5
V
Output Leakage Current
I
OFF
V
OUT
= 26 V
—
—
5.0
μ
A
Output Clamp Voltage
V
OUT(CLMP)
B < B
RP
, V
CC
= 115 V*
,
I
OUT
= 0
28
32
40
V
Output Current Limit
I
OUTMAX
B > B
OP
, V
OUT
= 12 V
35
50
70
mA
Supply Current
I
CC
B < B
RP
, V
CC
= 24 V
,
I
OUT
= 0
B > B
OP
, V
CC
= 24 V, I
OUT
= 20 mA
V
CC
= +115 V*
—
—
—
5.2
7.8
8.0
9.0
12
17
mA
mA
mA
Reverse Battery Current*
I
RCC
V
RCC
= -35 V*
V
RCC
= -100 V*
—
—
-0.5
-2.0
-5.0
-10
mA
mA
Output Rise Time
t
r
C
L
= 20 pF, R
L
= 330
, V
BB
= 12 V
—
0.05
2.0
μ
s
Output Fall Time
t
f
C
L
= 20 pF, R
L
= 330
, V
BB
= 12 V
—
0.30
5.0
μ
s
Thermal Shutdown Temp.*
T
J
165
—
190
°
C
Package Thermal Resist.
R
θ
JA
“LT” Package
“U” Package
—
—
258
183
—
—
°
C/W
°
C/W
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