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| 型號(hào)： | A1180LUA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 543K |
| 描述： | IC SWITCH HALL EFFECT UNI 3-SIP |
| 產(chǎn)品培訓(xùn)模塊： | Current Sensor |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 傳感范圍： | 60G ~ 200G 跳閘 - 可編程，固定釋放 |
| 類型： | 單極開關(guān) |
| 電源電壓： | 3.5 V ~ 24 V |
| 電流 - 電源： | 5mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 特點(diǎn)： | 可編程 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 3-SIP |
| 供應(yīng)商設(shè)備封裝： | 3-SIP |
| 包裝： | 散裝 |
Sensitive Two-Wire Field-Programmable
Chopper-Stabilized Unipolar Hall Effect Switches
A1180, A1181,
A1182, and A1183
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
MAGNETIC CHARACTERISTICS
1
over the operating voltage and temperature range, unless otherwise speci ed
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Programmable Operate Point Range B
OPrange
I
CC
= I
CC(H)
for A1180 and A1182
I
CC
= I
CC(L)
for A1181 and A1183
60
200 G
Initial Operate Point Range
B
OPinit
V
CC
= 12 V
33
60
G
Switchpoint Step Size
2
B
RES
V
CC
= 5 V, T
A
= 25癈
4
8
12
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 eld (or a weaker north polarity eld, if present).
2
The range of values speci ed for B
RES
is a maximum, derived from the cumulative programming bit errors.
ELECTRICAL CHARACTERISTICS over the operating voltage and temperature range, unless otherwise speci ed
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 A1180; B
RP
for A1181
2
5
mA
B >B
OP
for A1182; B
RP
for A1183
5
6.9 mA
I
CC(H)
B >B
OP
for A1181, A1183
B
RP
for A1180, A1182
12
17 mA
Supply Zener Clamp Voltage V
Z(supply)
I
CC
= I
CC(L)(max)
+ 3 mA; T
A
= 25癈
28
40
V
Supply Zener Clamp Current I
Z(supply)
V
Z(supply)
= 28 V
I
CC(L)(max)
+ 3 mA
mA
Reverse Supply Current
I
RCC
V
RCC
= 18 V
1.6 mA
Output Slew Rate
3
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
4
t
on
After factory trimming; with and without
bypass capacitor (C
BYP
= 0.01 糉)
25
約
Power-On State
5,6
POS t
on
d t
on(max)
; V
CC
slew rate e 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 eld (or a weaker north polarity eld, if present).
3
Measured without bypass capacitor between VCC and GND. Use of a bypass capacitor results in slower current change.
4
Measured with and without bypass capacitor of 0.01 糉. Adding a larger bypass capacitor causes longer Power-On Time.
5
POS is de ned 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.
6
POS is unde ned for t > t
on
or B
RP
< B < B
OP
.
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