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A1365LKTTN-5-T Datasheet(PDF) 6 Page - Allegro MicroSystems

Part No. A1365LKTTN-5-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-5-T Datasheet(HTML) 6 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
6
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
VOUT Characteristics (continued)
DC Output Resistance
ROUT
TA = 25°C
< 10
Ω
Output Load Resistance
RL(PULLUP) VOUT to VCC
4.7
RL(PULLDWN) VOUT to GND
4.7
Output Load Capacitance7
CL
VOUT to GND
1
10
nF
Output Slew Rate8
SR
Sens = 2 mV/G, CL = 1 nF, TA = 25°C;
step magnetic field of 400 G
230
V/ms
Over Field Fault Characteristics
Fault Switchpoint Programming Bits
FAULT_
THRESH
6
bit
Positive Field Fault Switchpoint
Range9
VFPSP
TA = 25°C, programmable using FAULT_
THRESH bits
0.72 × VCC
0.88 × VCC
V
Negative Field Fault Switchpoint
Range9
VFNSP
TA = 25°C, programmable using FAULT_
THRESH bits
0.12 × VCC
0.28 × VCC
V
Fault Switchpoint Step Size
StepFAULT
TA = 25°C, Average Fault Switchpoint step
size, VCC = 5 V
16
mV
Fault Hysteresis Programming Bits
FAULT_HYST
2
bit
Fault Hysteresis Level Range9
VFHYST
TA = 25°C, FAULT_HYST = 0 (decimal),
FAULT_THRESH = 0, no hysteresis
0
mV
TA = 25°C, FAULT_HYST = 1 (decimal),
FAULT_THRESH = 0, VCC = 5 V
30
mV
TA = 25°C, FAULT_HYST = 2 (decimal),
FAULT_THRESH = 0, VCC = 5 V
60
mV
TA = 25°C, FAULT_HYST = 3 (decimal),
FAULT_THRESH = 0, maximum hysteresis
value, VCC = 5 V
120
mV
Enable Latched Fault Bit
FAULT_
LATCH
1
bit
DC Fault Switchpoint Error
ErrDFS
FAULT_THRESH = 0 (decimal), RF(PULLUP) =
10 kΩ from ¯F¯¯A¯¯¯U¯¯L¯¯T¯ to VCC; measured under
DC conditions, VFHYST = 60 mV
±40
mV
DC Fault Switchpoint Symmetry Error
ErrDFSS
FAULT_THRESH = 0 (decimal), RF(PULLUP) =
10 kΩ from ¯F¯¯A¯¯¯U¯¯L¯¯T¯ to VCC; measured under
DC conditions, VFHYST = 60 mV
±60
mV
¯F¯¯A¯¯¯U¯¯L¯¯T¯ Pin Low Output Voltage
V¯F¯¯A¯¯¯U¯¯L¯¯T¯L
RF(PULLUP) = 10 kΩ from ¯F¯¯A¯¯¯U¯¯L¯¯T¯ to VCC
0.3
V
Transient Fault Response Time10
tTFR
RF(PULLUP) = 10 kΩ from ¯F¯¯A¯¯¯U¯¯L¯¯T¯ to VCC,
CF = Open, FAULT_THRESH = 0, VOUT
step from VOUT(Q) to VOUT = 1.3 × (VFPSP -
VOUT(Q)) + VOUT(Q)
4.5
µs
Transient Fault Release Time
tTFRL
RF(PULLUP) = 10 kΩ from ¯F¯¯A¯¯¯U¯¯L¯¯T¯ to VCC,
CF = Open, FAULT_THRESH = 0, VFHYST =
0 mV, VOUT step from VOUT = 1.1 × (VFPSP
- VOUT(Q)) + VOUT(Q)
2.5
µs
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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