A1373 Datasheet, PDF (4/23 Pages) Allegro MicroSystems – HIgh Precision, Output Pin Programmable Linear Hall Effect Sensors

A1373 and A1374
High Precision, Output Pin Programmable, Linear Hall Effect Sensors
CHARACTERISTIC PARAMETERS (continued)
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max Units
QUIESCENT OUTPUT VOLTAGE PROGRAMMING over operating temperature range, V_CC= 5.0 V, unless otherwise noted
V_OUT(Q)LOW
0.7
–
1.9
V
Quiescent Output Voltage Range
V_OUT(Q)MID B = 0 G, T_A = 25°C
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°C
3.0
3.275
3.5
mV
Quiescent Output Voltage
Programming Resolution
Err_PROGVOUT(Q)
Fine programming value selection
accuracy
–
±0.5 ×
Step_VOUT(Q)
–
mV
Quiescent Output Voltage Drift
Over Operating Temperature
Range
ΔV_OUT(Q)
V_OUT(Q) = V_OUT(Q)LOW
V_OUT(Q) = V_OUT(Q)MID
V_OUT(Q) = V_OUT(Q)HIGH
–
–
±40
mV
–
–
±40
mV
–
–
±55
mV
Quiescent Output Voltage
Programming Bits
Coarse (Range selection)
–
Fine (Value selection)
–
2
–
9
–
Bit
–
Bit
10% Output Clamp Option⁷
V_OUTCLP10HIGH
V_OUTCLP10LOW
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High-side output clamp
Low-side output clamp
4.350
–
4.300
–
0.4
–
0.3
–
4.565
V
4.650
V
0.6
V
0.6
V
20% Output Clamp Option⁷
V_OUTCLP20HIGH
V_OUTCLP20LOW
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High-side output clamp
Low-side output clamp
3.925
–
3.900
–
0.9
–
0.8
–
4.125
V
4.200
V
1.1
V
1.1
V
Delay to Clamp
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t_CLP
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–
–
2
μs
–
–
100
μs
SENSITIVITY PROGRAMMING over operating temperature range, V_CC= 5.0 V, unless otherwise noted
Sens_LOW
1.75
–
Sensitivity Range⁸
Sens_MID
T_A = 25°C
3.5
–
Sens_HIGH
7.0
–
Step_SENSLOW
6
9.5
Average Sensitivity Step Size^4,5,6
Step_SENSMID T_A = 25°C
12
18.7
Step_SENSHIGH
22
37.0
Sensitivity Programming
Resolution
Err_PROGSENS
Fine programming value selection
accuracy
–
±0.5 ×
Step_SENS
2.8
5.7
11.25
14
28
56
–
mV/G
mV/G
mV/G
μV/G
μV/G
μV/G
μV/G
Sensitivity Programming Bits
Coarse (Range selection)
–
Fine (Value selection)
–
2
–
8
–
Bit
–
Bit
POLARITY PROGRAMMING
Polarity Programming Bit
–
Negative Sensitivity
–
1
–
Bit
Continued on the next page...
A1373-DS, Rev. 3
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com