參數(shù)資料
型號(hào): A1374EKB-T
廠商: Allegro Microsystems Inc
文件頁(yè)數(shù): 5/23頁(yè)
文件大小: 466K
描述: IC SENSOR HALL EFFECT PREC 3-SIP
產(chǎn)品培訓(xùn)模塊: Current Sensor
標(biāo)準(zhǔn)包裝: 500
傳感范圍: 1.75mV/G ~ 11.25mV/G
類型: 雙極或單極,可編程
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 10mA
電流 - 輸出(最大): 10mA
輸出類型: 模擬,比率
特點(diǎn): 高精度
工作溫度: -40°C ~ 85°C
封裝/外殼: 3-SIP
供應(yīng)商設(shè)備封裝: 3-SIP
包裝: 散裝
High Precision, Output Pin Programmable
Linear Hall Effect Sensor ICs
A1373 and
A1374
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
QUIESCENT OUTPUT VOLTAGE PROGRAMMING over operating temperature range, V
CC
= 5.0 V, unless otherwise noted
Quiescent Output Voltage Range
V
OUT(Q)LOW
B = 0 G, T
A
 = 25癈
0.7

1.9    V
V
OUT(Q)MID
2.0

3.2    V
V
OUT(Q)HIGH
3.5

4.5    V
Average Quiescent Output Voltage
Step Size
4,5,6
Step
VOUT(Q)
T
A
 = 25癈
3.0    3.275    3.5    mV
Quiescent Output Voltage
Programming Resolution
Err
PROGVOUT(Q)
Fine programming value selection
accuracy

?.5 ?
Step
VOUT(Q)
    mV
Quiescent Output Voltage Drift
Over Operating Temperature
Range
OUT(Q)
V
OUT(Q)
 = V
OUT(Q)LOW


?0   mV
V
OUT(Q)
 = V
OUT(Q)MID


?0   mV
V
OUT(Q)
 = V
OUT(Q)HIGH


?5   mV
Quiescent Output Voltage
Programming Bits 

Coarse (Range selection)

2
    Bit
Fine (Value selection)

9
    Bit
10% Output Clamp Option
7
V
OUTCLP10HIGH
A1373
 High-side output clamp
4.350    
4.565   V
A1374
4.300    
4.650   V
V
OUTCLP10LOW
A1373
 Low-side output clamp
0.4

0.6    V
A1374
0.3

0.6    V
20% Output Clamp Option
7
V
OUTCLP20HIGH
A1373
 High-side output clamp
3.925    
4.125   V
A1374
3.900    
4.200   V
V
OUTCLP20LOW
A1373
 Low-side output clamp
0.9

1.1    V
A1374
0.8

1.1    V
Delay to Clamp
t
CLP
A1373


2    約
A1374


100    約
SENSITIVITY PROGRAMMING over operating temperature range, V
CC
= 5.0 V, unless otherwise noted
Sensitivity Range
8
Sens
LOW
T
A
 = 25癈
1.75

2.8   mV/G
Sens
MID
3.5

5.7   mV/G
Sens
HIGH
7.0

11.25  mV/G
Average Sensitivity Step Size
4,5,6
Step
SENSLOW
T
A
 = 25癈
6
9.5
14   糣/G
Step
SENSMID
12    18.7
28   糣/G
Step
SENSHIGH
22    37.0
56   糣/G
Sensitivity Programming 
Resolution
Err
PROGSENS
Fine programming value selection
accuracy

?.5 ?
Step
SENS
    糣/G
Sensitivity Programming Bits

Coarse (Range selection)

2
    Bit
Fine (Value selection)

8
    Bit
POLARITY PROGRAMMING
Polarity Programming Bit

Negative Sensitivity

1
    Bit
CHARACTERISTIC PARAMETERS (continued)
Continued on the next page...
Characteristic
Symbol
Test Conditions
Min.    Typ.    Max   Units
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