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參數(shù)資料
| 型號： | A1148LLHLT-T |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| 中文描述： | 低電流超靈敏雙線斬波穩(wěn)定單極霍爾效應(yīng)開關(guān) |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 319K |
| 代理商： | A1148LLHLT-T |
3
A1147-DS, Rev. 6
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
A1147 and A1148
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
3.5
–
24
V
Supply Current
2
I
CCL
B > B
OP
for A1147; B < B
RP
for A1148
2
–
5
mA
I
CCH
B > B
OP
for A1148; B < B
RP
for A1147
12
–
17
mA
Reverse Supply Current
I
RCC
V
RCC
= –18 V
–
–
–1.6
mA
Supply Zener Clamp Voltage
V
ZSUPPLY
I
CC
= I
CCL(max)
+ 3 mA; T
A
= 25°C
28
–
40
V
Supply Zener Clamp Current
3
I
ZSUPPLY
V
ZSUPPLY
= 28 V
Capacitance of the oscilloscope performing
the measurement = 20 pF
–
–
8
mA
Output Slew Rate
4
di/dt
–
36
–
mA/
μ
s
Chopping Frequency
f
C
–
200
–
kHz
Power-On Time
5
t
on
C
BYPASS
= 0.01
μ
F
–
–
25
μ
s
Power-On State
6,7
POS
t < t
on
;
V
CC
slew rate > 25 mV/
μ
s
–
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
μ
F. 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 /
μ
s or greater. Operation with a V
CC
slew rate less than 25 mV /
μ
s can permanently harm
device performance.
7
POS is undefined for t > t
on
or B
RP
< B < B
OP
.
MAGNETIC CHARACTERISTICS
over the operating voltage and temperature ranges, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
Typ.*
Max.
Units
Operate Point
B
OP
A1147
I
CC
= I
CCL
20
37
80
G
A1148
I
CC
= I
CCH
Release Point
B
RP
A1147
I
CC
= I
CCH
10
22
60
G
A1148
I
CC
= I
CCL
Hysteresis
B
HYS
B
HYS
= B
OP
– B
RP
5
15
30
G
*Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions, such as T
A
= 25°C and V
CC
= 12 V.
Performance may vary for individual units, within the specified maximum and minimum limits.
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| A1148LUA | 功能描述:IC SWITCH HALL EFFECT UNI 3-SIP RoHS:否 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1148LUA-T | 功能描述:IC SWITCH HALL EFFECT UNI 3-SIP RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1148LUATI | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148LUATI-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A11490 | 功能描述:大功率LED - 單色 Amber 590nm 5 Watt RoHS:否 制造商:Cree, Inc. 照明顏色:Blue 波長:465 nm 光強(qiáng)度: 光通量/輻射通量:500 mW 正向電流:350 mA 正向電壓:3.1 V 安裝風(fēng)格:SMD/SMT 功率額定值: 系列:XB-D 封裝:Reel |
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