參數(shù)資料
型號(hào): A1356LKB-T
廠商: Allegro Microsystems Inc
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 432K
描述: IC SENSOR HALL EFFECT 3 SIP
標(biāo)準(zhǔn)包裝: 4,000
傳感范圍: 45m%D/G ~ 75m%D/G
類型: 線性 - 可編程
電源電壓: 4.5 V ~ 18 V
電流 - 電源: 10mA
電流 - 輸出(最大): 25mA
輸出類型: 數(shù)字式, PWM 編碼
特點(diǎn): 高精度
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
其它名稱: 620-1369
A1356LK-T
OPERATING CHARACTERISTICS (continued) Valid over full operating temperature range, T
A
 , V
CC
 = 4.5 to 18 V,
C
BYPASS
 = 0.1 糉, unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.   Typ.   Max.    Unit
Continued on the next page&
Sensitivity Programming
Initial Sensitivity
Sens
init
T
A
 = 25癈
   Sens
PRE
    (% D)/G
Guaranteed Sensitivity Range
Sens
LOW
  T
A
 = 25癈
45

75   (m% D)/G
Sensitivity Programming Bits

8

bit
Average Sensitivity Step Size
8,9
Step
SENS(low)
T
A
 = 25癈
150    300    450   (? D)/G
Sensitivity Programming Resolution
10
Err
PGSENS
T
A
 = 25癈

Step
SENS
 
??. 5
   (? D)/G
Carrier Frequency Programming
Initial Carrier Frequency
f
PWMinit
   T
A
 = 25癈
   f
PWMPRE
    
Hz
Carrier Frequency Programming Range   f
PWM
T
A
 = 25癈
1.8    2
2.2    kHz
Carrier Frequency Programming Bits

4

bit
Average Carrier Frequency Step Size
8,9
Step
fPWM
T
A
 = 25癈
90    114    140    Hz
Carrier Frequency Programming
Resolution
10
Err
PGfPWM
T
A
 = 25癈

Step
fPWM
 
??. 5

Hz
Calibration Test Mode
Calibration Test Mode Duration
3
t
CAL
f
PWM
 = 2 kHz
45    50    55
ms
Output Duty Cycle During Calibration
Mode
3
D
CAL
T
A
 = 25癈
49    50    51    % D
Lock Bit Programming
Overall Programming Lock Bit
LOCK

1

bit
Factory Programmed Sensitivity Temperature Coefficient And Drift Characteristics
Sensitivity Temperature Coefficient
11
Sens
TC
T
A
 = 150癈
    0.03        %/癈
Sensitivity Drift Through Temperature
Range
12
擲ens
TC
T
A
 = 150癈
    < ?    
%
Sensitivity Drift Due to Package
Hysteresis
2
擲ens
PKG
T
A
 = 150癈, after temperature cycling
    < ?    
%
Factory Programmed Duty Cycle Drift
Duty Cycle Temperature Coefficient
11
D
TC
T
A
 = 150癈

0
    (% D)/癈
Quiescent Duty Cycle Drift Through
Temperature Range
(Q)
Sens = Sens
PRE
, T
A
 = 150癈
   < ?.35   
% D
High Precision Linear Hall-Effect Sensor IC
With an Open Drain Pulse Width Modulated Output
A1356
4
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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