High Precision Hall Effect AC-Coupled Differential
Sensor IC with Integrated Filter Capacitor
A1421, A1422,
and A1423
5
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value Units
Package Thermal Resistance
R
窲A
Minimum-K PCB (single-sided with copper limited to solder pads) 177 篊/W
*In still air. Additional thermal information available on Allegro Web site.
20 40 60 80 100 120 140 160 180
8
10
12
14
0
2
4
6
16
18
20
22
24
26
28
30
(R
JA
= 177 篊/W)
Minimum-K PCB
V
CC(min)
V
CC(max)
20 40 60 80 100 120 140 160 180
Temperature (癈)
(
R
J
A
=
1
7
7
?/DIV>
C
/
W
)
M
i
n
i
m
u
m
-
K
P
C
B
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
The following provide additional information about some of the
parameters cited. For additional information, visit the Allegro
Web site at www.allegromicro.com.
Applied Magnetic Field, B
diff
The differential magnetic flux
density, which is calculated as the arithmetic difference of the
flux densities observed by each of the two Hall elements. f
Bdiff
is
the input signal frequency.
Output Off Switchpoint (Operate Point), B
OP
The value of
increasing differential magnetic flux density at which the device
output switches from low to high (A1421) or high to low (A1422
and A1423).
Output On Switchpoint (Release Point), B
RP
The value of
decreasing differential magnetic flux density at which the device
output switches from high to low (A1421) or from low to high
(A1422 and A1423).
Power-On Time, t
PO
The time needed by the device, after
power is applied, to initialize all circuitry necessary for proper
operation.
Settling Time, t
Settling
The time required by the device, after
t
PO
, and after a valid magnetic signal has been applied, to
provide proper output transitions. Settling time is a function of
magnetic offset, offset polarity, signal phase, signal frequency,
and signal amplitude.
Supply Current (on), I
CC(on)
The current draw of the device
with the output transitor is turned on.
Supply Current (off), I
CC(off)
The current draw of the device
with the output transitor is turned off.
Response Time, t
Response
The total time required for generating
zero-crossing output transitions after initialization (the sum of
Power-on Time and Settling Time).
De nitions of Terms
Power Derating Curve
T
J(max)
= 165癈; I
CC
= I
CC(max)
Maximum Power Dissipation
T
J(max)
= 165癈; I
CC
= I
CC(max)
;
V
CC
= V
CC(max)
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
A1425LK
IC SENSOR HALL EFFECT AC 4-SIP
A1645LK-I2
IC SENSOR HALL EFFECT AC 4-SIP
A3230LUA-T
IC SW HALL EFFECT CHOPPER 3-SIP
A3241LUA-T
IC SWITCH HALL EFFECT 3-SIP
A3245LLHLT-T
IC SW HALL EFFECT OMNI SOT23W
A3251LUA-T
IC SW HALL EFFECT UNI 3-SIP
A3260LUA
IC SW HALL EFFECT BIPO 3-SIP
A3282LLHLT-T
IC SW HALL EFFECT CHOPPER SOT23W
相关代理商/技术参数
A1422LK-T
功能描述:IC SENSOR HALL EFFECT AC 4-SIP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR
A1423
制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Precision Hall Effect AC-Coupled Differential Sensor with Integrated Filter Capacitor
A14233-000
制造商:TE Connectivity 功能描述:HT-SCE-1/4-2.0-9-PB-CS7783 - Bulk
A1-423-401-01
制造商:HECON / DANAHER 功能描述:
A1423LK
制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Accuracy Analog Speed Sensor with Integrated Filter Capacitor
A1423LK-T
制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Precision Hall Effect AC-Coupled Differential Sensor with Integrated Filter Capacitor
A14248-000
功能描述:电线鉴定 RoHS:否 制造商:TE Connectivity / Q-Cees 产品:Labels and Signs 类型: 材料:Vinyl 颜色:Blue 宽度:0.625 in 长度:1 in
A1424AG1
制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm