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参数资料
| 型号： | A1354KKTTN-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/23页 |
| 文件大小： | 540K |
| 描述： | IC HALL EFFECT SENSOR 2WIRE 4SIP |
| 产品变化通告： | Product Obsolescence 09/Nov/2011 |
| 标准包装： | 4,000 |
| 传感范围： | 0.1% ~ 0.2%/G |
| 类型： | 线性场传感器 |
| 电源电压： | 4.5 V ~ 16 V |
| 电流 - 电源： | 9mA |
| 输出类型： | 数字式， PWM 编码 |
| 特点： | 高精度 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 4-SIP |
| 供应商设备封装： | 4-SIP |
| 包装： | 带卷 (TR) |
PROGRAMMING CHARACTERISTICS Valid over full operating voltage range and T
A
= 25癈
, unless otherwise noted
Characteristics
Symbol
Test Conditions
Min. Typ. Max. Unit
1
PRE-PROGRAMMING TARGET
2
Pre-Programming Quiescent Duty Cycle
Output
D
(Q)PRE
B = 0 G
50
%
Pre-Programming Sensitivity
Sens
PRE
0.08
%/G
Pre-Programming PWM Output Carrier
Frequency
f
PWMPRE
150
Hz
QUIESCENT DUTY CYCLE PROGRAMMING
Initial Quiescent Duty Cycle Output
3
D
(Q)UNIinit
Unipolar device, B = 0 G
20
%
D
(Q)BIinit
Bipolar device, B = 0 G
D
(Q)PRE
%
Guaranteed Quiescent Duty Cycle
Programming Range
4
D
(Q)UNI
Unipolar device, B = 0 G
10
30
%
D
(Q)BI
Bipolar device, B = 0 G
40
60
%
Quiescent Duty Cycle Output
5
Programming Bits
Coarse (range programming)
1
bit
Fine (value adjustment)
9
bit
Average Quiescent Duty Cycle Output
Step Size
6,7
Step
D(Q)
0.055 0.075 0.095 %
Quiescent Duty Cycle Output
Programming Resolution
8
Err
PGD(Q)
Step
D(Q)
??.5
%
SENSITIVITY PROGRAMMING
Initial Sensitivity
Sens
init
Sens
PRE
%/G
Guaranteed Sensitivity Programming
Range
9
Sens
0.1
0.2 %/G
Sensitivity Programming Bits
8
bit
Average Sensitivity Step Size
6,7
Step
SENS
600 800 900 ?/G
Sensitivity Programming Resolution
8
Err
PGSENS
Step
SENS
??.5
?/G
CARRIER FREQUENCY PROGRAMMING
Initial Carrier Frequency
f
PWM(slow)init
19
Hz
f
PWM(fast)init
f
PWMPRE
Hz
Guaranteed Carrier Frequency
Programming Range
9
f
PWM(slow)
12
15.5 Hz
f
PWM(fast)
95
115 Hz
Coarse Carrier Frequency Programming
Bits
10
Coarse (range programming)
1
bit
Fine (value adjustment)
4
bit
Average Carrier Frequency Step Size
6,7
Step
fPWM(slow)
0.5 0.8 1.1
Hz
Step
fPWM(fast)
4.5 6.4 8.3
Hz
Carrier Frequency Programming
Resolution
8
Err
PGfPWM
Step
fPWM
??.5
Hz
Continued on the next page&
High Precision 2-Wire Linear Hall Effect Sensor IC
with Pulse Width Modulated Output
A1354
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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