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A1365LKTTN-2-T Datasheet(PDF) 7 Page - Allegro MicroSystems

Part No. A1365LKTTN-2-T
Description  Low-Noise, High-Precision, Programmable Linear Hall-Effect Sensor IC
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1365LKTTN-2-T Datasheet(HTML) 7 Page - Allegro MicroSystems

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Low-Noise, High-Precision, Programmable Linear Hall-Effect Sensor IC
With High-Bandwidth (120 kHz) Analog Output and Integrated Fault Comparator
A1365
7
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Continued on the next page…
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit1
Fault Characteristics (continued)
Fault Delay Due to Load Capacitance
tFDC
RF(PULLUP) = 10 kΩ from ¯F¯¯A¯¯¯U¯¯L¯¯T¯ to VCC
0.5
µs/nF
External Pull-Up Supply Voltage
VF(PULLUP)
1.65
VCC
VCC
V
External ¯F¯¯A¯¯¯U¯¯L¯¯T¯ Pull-Up Resistor
RF(PULLUP)
4.7
External ¯F¯¯A¯¯¯U¯¯L¯¯T¯ Capacitance
CF
10
nF
Internal ¯F¯¯A¯¯¯U¯¯L¯¯T¯ Pull-Up Resistor
RIF(PULLUP)
10
Internal ¯F¯¯A¯¯¯U¯¯L¯¯T¯ Pull-Up Current
IIF(PULLUP)
40
µA
Quiescent Voltage Output (VOUT(Q))2
Initial Unprogrammed Quiescent
Voltage Output2,11
VOUT(Q)init
TA = 25°C
2.4
2.5
2.6
V
Quiescent Voltage Output
Programming Range2,5,12
VOUT(Q)PR
TA = 25°C
2.3
2.7
V
Quiescent Voltage Output
Programming Bits13
QVO
9
bit
Average Quiescent Voltage Output
Programming Step Size2,14,15
StepVOUT(Q) TA = 25°C
1.9
2.3
2.8
mV
Quiescent Voltage Output
Programming Resolution2,16
ErrPGVOUT(Q) TA = 25°C
±0.5 ×
StepVOUT(Q)
mV
Sensitivity (Sens)2
Initial Unprogrammed Sensitivity11
Sensinit
SENS_COARSE = 00, TA = 25°C
1
mV/G
SENS_COARSE = 01, TA = 25°C
2.2
mV/G
SENS_COARSE = 10, TA = 25°C
4.7
mV/G
SENS_COARSE = 11, TA = 25°C
9.6
mV/G
Sensitivity Programming Range5,12
SensPR
SENS_COARSE = 00, TA = 25°C
0.6
1.3
mV/G
SENS_COARSE = 01, TA = 25°C
1.3
2.9
mV/G
SENS_COARSE = 10, TA = 25°C
2.9
6.4
mV/G
SENS_COARSE = 11, TA = 25°C
6.4
14
mV/G
Coarse Sensitivity Programming
Bits17
SENS_
COARSE
2
bit
Fine Sensitivity Programming Bits13
SENS_FINE
9
bit
Average Fine Sensitivity and
Temperature Compensation
Programming Step Size2,14,15
StepSENS
SENS_COARSE = 00, TA = 25°C
2.4
3.2
4.1
µV/G
SENS_COARSE = 01, TA = 25°C
5
6.6
8.5
µV/G
SENS_COARSE = 10, TA = 25°C
11
14.2
18
µV/G
SENS_COARSE = 11, TA = 25°C
22
29
38
µV/G
Sensitivity Programming
Resolution2,16
ErrPGSENS TA = 25°C
±0.5 ×
StepSENS
µV/G
Factory-Programmed Sensitivity Temperature Coefficient
Sensitivity Temperature Coefficient2
TCSENS
TA=150°C,TA= –40°C,calculated relative to
25°C
0
%/°C
Sensitivity Drift Through Temperature
Range2,12,18,23
ΔSensTC
TA = 25°C to 150°C
–2.5
2.5
%
TA = –40°C to 25°C
–3
3
%
OPERATING CHARACTERISTICS (continued): valid through the full operating temperature range, TA, CBYPASS = 0.1 µF,
and VCC = 5 V, unless otherwise specified


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