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參數資料
| 型號： | A1186LUA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數： | 4/15頁 |
| 文件大小： | 509K |
| 描述： | IC SWITCH HALL EFFECT UNI 3-SIP |
| 產品培訓模塊： | Current Sensor |
| 標準包裝： | 500 |
| 傳感范圍： | 10G ~ 60G 跳閘 - 可編程，固定釋放 |
| 類型： | 單極開關 |
| 電源電壓： | 3.5 V ~ 24 V |
| 電流 - 電源： | 6.9mA |
| 輸出類型： | 數字，開路集電極 |
| 特點： | 可編程 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 3-SIP |
| 供應商設備封裝： | 3-SIP |
| 包裝： | 散裝 |
Ultrasensitive Two-Wire Field-Programmable
Chopper-Stabilized Unipolar Hall Effect Switches
A1185 and
A1186
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ELECTRICAL CHARACTERISTICS over the operating voltage and temperature ranges, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Supply Voltage
1
V
CC
Device powered on
3.5
24
V
Supply Current
2
I
CC(L)
B >B
OP
for A1185; B
RP
for A1186
5
6.9 mA
I
CC(H)
B >B
OP
for A1186; B
RP
for A1185
12
17 mA
Supply Zener Clamp Voltage V
ZSupply
I
CC
= I
CC(L)(Max)
+ 3 mA; T
A
= 25癈
28
40
V
Supply Zener Clamp Current
3
I
ZSupply
V
Supply
= 28 V
9.9 mA
Reverse Supply Current
I
RCC
V
RCC
= 18 V
1.6 mA
Output Slew Rate
4
di/dt
No bypass capacitor; capacitance of the
oscilloscope performing the measurement
= 20 pF
36
mA/約
Chopping Frequency
f
C
200
kHz
Power-On Time
5
t
on
After factory trimming; with and without
bypass capacitor (C
BYP
= 0.01 糉)
25
約
Power-On State
6,7
POS t
on
d t
on(max)
; V
CC
slew rate > 25 mV/約
HIGH
1
V
CC
represents the generated voltage between the VCC pin and the GND pin.
2
Relative values of B use the algebraic convention, where positive values indicate south magnetic polarity, and negative values indicate north magnetic
polarity; therefore greater B values indicate a stronger south polarity field (or a weaker north polarity field, if present).
3
I
ZSUPPLY(max)
= I
CCL(max)
+ 3 mA.
4
Measured without bypass capacitor between VCC and GND. Use of a bypass capacitor results in slower current change.
5
Measured with and without bypass capacitor of 0.01 糉. Adding a larger bypass capacitor causes longer Power-On Time.
6
POS is defined as true only with a V
CC
slew rate of 25 mV / 約 or greater. Operation with a V
CC
slew rate less than 25 mV / 約 can permanently harm
device performance.
7
POS is undefined for t > t
on
or B
RP
< B < B
OP
.
MAGNETIC CHARACTERISTICS
1
over the operating voltage and temperature ranges, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Programmable Operate Point Range B
OPrange
I
CC
= I
CC(L)
for A1185
I
CC
= I
CC(H)
for A1186
10
60
G
Initial Operate Point Range
B
OPinit
V
CC
= 12 V
10 10
G
Switchpoint Step Size
2
B
RES
V
CC
= 5 V, T
A
= 25癈
2
4
6
G
Number of Programming Bits
Switchpoint setting
5
Bit
Programming locking
1
Bit
Temperature Drift of B
OP
B
OP
?0 G
Hysteresis
B
HYS
B
HYS
= B
OP
B
RP
5
15
30
G
1
Relative values of B use the algebraic convention, where positive values indicate south magnetic polarity, and negative values indicate north magnetic
polarity; therefore greater B values indicate a stronger south polarity field (or a weaker north polarity field, if present).
2
The range of values specified for B
RES
is a maximum, derived from the cumulative programming bit errors.
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