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參數(shù)資料
| 型號： | A3250LUA |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| 中文描述： | 現(xiàn)場可編程斬波穩(wěn)定單極霍爾效應(yīng)開關(guān) |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 418K |
| 代理商： | A3250LUA |
3
A3250-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Field-Programmable, Chopper-Stabilized, Unipolar Hall-Effect Switches
A3250 and A3251
OPERATING CHARACTERISTICS
valid over operating T
A
and V
CC
, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
ELECTRICAL CHARACTERISTICS
Supply Voltage
1
V
CC
Running mode
4.2
–
24
V
Output Saturation Voltage
V
OUT(sat)
I
OUT
= 20 mA; Switch state = ON
–
175
400
mV
Output Leakage Current
I
OFF
V
OUT
= 24 V; Switch state = OFF
–
–
10
μA
Supply Current
I
CC(off)
A3250; B < B
RP
; V
OUT
= HIGH
–
4.0
7.0
mA
A3251; B > B
OP
; V
OUT
= HIGH
–
4.0
7.0
mA
I
CC(on)
A3250; B > B
OP
; V
OUT
= LOW
–
6.0
10.0
mA
A3251; B < B
RP
; V
OUT
= LOW
R
LOAD
= 820
, C
LOAD
= 10 pF
R
LOAD
= 820
, C
LOAD
= 10 pF
–
6.0
10.0
mA
Output Rise Time
t
r
t
f
–
–
5.0
μs
Output Fall Time
–
–
5.0
μs
Chopping Frequency
f
C
–
340
–
kHz
Power-Up Time
t
on
V
OUT
= HIGH
–
20
50
μs
Output Current Limit
1,2
I
OUT(lim)
Short-circuit protection
60
90
120
mA
Power-On State
POS
A3250; B < B
RP
, t > t
on
–
HIGH
–
mV
A3251; B < B
RP
, t > t
on
–
LOW
–
mV
MAGNETIC CHARACTERISTICS
Initial Operate Point
B
OP
–20
13
50
G
Temperature Drift of B
OP
B
OP
B
OP
≤
500 gauss
–35
–
35
G
Hysteresis (B
OP
– B
RP
)
B
hys
Package T
A
range = J
5.0
18
35
G
Package T
A
range = L
5.0
13
35
G
PROGRAMMING CHARACTERISTICS
Programmable B
OP
Values
3
B
OP(prog)
50
–
≥
350
G
Number of Programming Bits
–
Switchpoint set
–
6
–
Bit
Programming lock
–
1
–
Bit
Resolution
B
RES
–
7.0
–
G
TRANSIENT PROTECTION CHARACTERISTICS
Supply Zener Voltage
V
Z
28
–
–
V
Supply Zener Current
I
Z
V
CC
= 28 V
–
–
13
mA
Reverse Battery Current
I
RCC
V
RCC
= –18 V, T
J
< T
J(max)
–
–
–5.0
mA
1
Do not exceed TJ(max): Additional information on power derating is provided in the applications section.
2
Short-circuit protection is not intended for continuous operation; permanent damage may result.
3
Device can be used below 50 G but is not guaranteed to be a unipolar switch. It is the responsibility of the programmer to verify that the desired
switchpoint has been achieved.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A3250LUATL | Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| A3251JUA | Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| A3251JUATL | Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| A3251LUA | Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| A3251LUATL | Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A3250LUA-T | 功能描述:IC SW 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(diǎn):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 |
| A3250LUATL | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| A3251 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches |
| A3251204 | 制造商:LUTZE 功能描述:A3251204 (LUTZE) 328FT = 1 METERS 24V LUTZE CABLE |
| A3251ELT | 功能描述:IC SW HALL EFFECT UNI SOT-89 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(diǎn):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 |
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