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A1374EKB Datasheet(PDF) 3 Page - Allegro MicroSystems

Part # A1374EKB
Description  HIgh Precision, Output Pin Programmable Linear Hall Effect Sensors
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1374EKB Datasheet(HTML) 3 Page - Allegro MicroSystems

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A1373-DS, Rev. 3
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
High Precision, Output Pin Programmable, Linear Hall Effect Sensors
A1373 and A1374
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max
Units
ELECTRICAL CHARACTERISTICS
over operating temperature range, VCC=5.0 V, unless otherwise noted
Supply Voltage
VCC
Operation within specification,
Tj < 165°C
4.5
5.0
5.5
V
Supply Current
ICC
8.2
10
mA
Reverse-Supply Current
IRCC
VCC = –16 V, TA = 25°C
16
mA
Power-On Time1
tPO
CLOAD = 10 nF, 90% full scale VOUT
300
μs
Chopping Frequency
fC
200
kHz
Internal Bandwidth
BW
A1373
Small signal -3 dB
2.5
kHz
A1374
20
kHz
OUTPUT CHARACTERISTICS
over operating temperature range, VCC=5.0 V, unless otherwise noted
Noise2,3
VN
A1373 peak-to-peak, CLOAD > 1 nF,
2.5 mV/G
6
16
mV
A1374
14
26
mV
Output Capacitance Load
CLOAD
VOUT pin to GND pin
10
nF
Output Resistive Load
RLOAD
4700
Ω
Phase Shift
ΔΦ
A1373 Magnetic signal freq. = 100 Hz
3
(°)
A1374 Magnetic signal freq. = 1000 Hz
3
(°)
Output Voltage
VOUT(Sat)HIGH
IOUTSINK = 1.2 mA,
B(kG) > (VCC–VOUT(Q)) / Sens (mV/G)
4.65
4.7
V
VOUT(Sat)LOW
IOUTSOURCE = 1.2 mA,
B(kG) < VOUT(Q) / Sens (mV/G)
0.2
0.25
V
Output Resistance
ROUT
1.5
Ω
MAGNETIC CHARACTERISTICS
Magnetic Slew Rate
SLR
V / ms / Sens
20
G/μs
PRE-PROGRAMMING TARGET (Prior to coarse and fine trim)
over operating temperature range, VCC=5.0 V, unless
otherwise noted
Pre-Programming Quiescent
Output Voltage
VOUT(Q)PRE
B = 0 G, TA = 25°C
1.62
1.80
1.98
V
Pre-Programming Sensitivity
SensPRE
TA = 25°C
1.05
1.31
1.75
mV/G
Pre-Programming Sensitivity
Temperature Coefficient
TCPRE
TA relative to 25°C
–0.016
0.05
0.104
%/°C
INITIAL COARSE PROGRAMMING
over operating temperature range, VCC=5.0 V, unless otherwise noted
Initial Coarse Quiescent Output
Voltage
VOUT(Q)INITLOW TA = 25°C
0.55
V
VOUT(Q)INITMID Reference VOUT(Q)PRE
––-
V
VOUT(Q)INITHIGH TA = 25°C
3.25
V
Initial Coarse Sensitivity
SensINITLOW
Reference SensPRE
mV/G
SensINITMID
TA = 25°C
2.8
mV/G
SensINITHIGH
TA = 25°C
5.5
mV/G
CHARACTERISTIC PARAMETERS
Continued on the next page...


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