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PDF A1363 Data sheet ( Hoja de datos )
| Número de pieza | A1363 | |
| Descripción | Programmable Linear Hall Effect Sensor IC | |
| Fabricantes | Allegro | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de A1363 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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A1363
Low Noise, High Precision, Programmable Linear Hall Effect Sensor IC
With Advanced Temperature Compensation and High Bandwidth (120 kHz) Analog Output
FEATURES AND BENEFITS
• Proprietary segmented linear interpolated temperature
compensation (TC) technology provides a typical
accuracy of 1% across the full operating temperature
range
• Customer programmable, high resolution offset and
sensitivity trim
• Factory programmed sensitivity and quiescent
output voltage TC with extremely stable temperature
performance
• High sensitivity Hall element for maximum accuracy
• Extremely low noise and high resolution achieved via
proprietary Hall element and low noise amplifier circuits
• 120 kHz nominal bandwidth achieved via proprietary
packaging and chopper stabilization techniques
• Patented circuits suppress IC output spiking during fast
current step inputs
Continued on the next page…
Package: 4-pin SIP (suffix KT)
1 mm case thickness
Not to scale
DESCRIPTION
The Allegro™ A1363 programmable linear Hall-effect
current sensor IC has been designed to achieve high accuracy
and resolution without compromising bandwidth. The goal
is achieved through new proprietary linearly interpolated
temperature compensation technology that is programmed
at the Allegro factory and provides sensitivity and offset that
are virtually flat across the full operating temperature range.
Temperature compensation is done in the digital domain with
integrated EEPROM technology, without sacrificing the analog
signal path 120 kHz bandwidth, making this device ideal for
HEV inverter, DC-to-DC converter, and electric power steering
(EPS) applications.
This ratiometric Hall-effect sensor IC provides a voltage output
that is proportional to the applied magnetic field. The customer
can conFigure the sensitivity and quiescent (zero field) output
voltage through programming on the VCC and output pins, to
optimize performance in the end application. The quiescent
output voltage is user-adjustable around 50% of the supply
voltage, VCC , and the output sensitivity is adjustable within
the range of 0.6 to 14 mV/G.
The sensor IC incorporates a highly sensitive Hall element with
a BiCMOS interface integrated circuit that employs a low noise
small-signal high-gain amplifier, a clamped low-impedance
Continued on the next page…
V+
VCC
(Programming)
C BYPASS
A1363-DS, Rev. 6
To all subcircuits
Temperature
Sensor
Programming
Control
EEPROM and
Control Logic
Sensitivity Control
Offset Control
Signal Recovery
GND
Functional Block Diagram
VOUT
(Programming)
CL
1 page  
A1363
Low Noise, High Precision, Programmable Linear Hall Effect Sensor IC
With Advanced Temperature Compensation
And High Bandwidth (120 kHz) Analog Output
OPERATING CHARACTERISTICS: valid through the full operating temperature range, TA, CBYPASS = 0.1 µF, VCC = 5 V; un-
less otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit1
Electrical Characteristics
Supply Voltage
Supply Current
Power-On Time2
VCC
4.5 5.0 5.5
V
ICC No load on VOUT
– 10 15 mA
tPO
TA = 25°C, CBYPASS = Open, CL = 1 nF, Sens =
2 mV/G, constant magnetic field of 400 G
–
78
–
µs
Temperature Compensation
Power-On Time2
tTC
TA = 150°C, CBYPASS = Open, CL= 1 nF, Sens =
2 mV/G, constant magnetic field of 400 G
–
30
–
µs
Undervoltage Lockout (UVLO)
Threshold2
VUVLOH
VUVLOL
TA = 25°C, VCC rising and device function
enabled
TA = 25°C, VCC falling and device function
disabled
–4–
– 3.5 –
V
V
UVLO Enable/Disable Delay Time2
tUVLOE
TA = 25°C, CBYPASS = Open, CL = 1 nF, Sens =
2 mV/G, VCC Fall Time (5 V to 3 V) = 1.5 µs
–
64
–
µs
tUVLOD
TA = 25°C, CBYPASS = Open, CL = 1 nF, Sens =
2 mV/G, VCC Recover Time (3 V to 5 V) = 1.5 µs
–
14
–
µs
Power-On Reset Voltage2
VPORH
VPORL
TA = 25°C, VCC rising
TA = 25°C, VCC falling
– 2.6 –
– 2.3 –
V
V
Power-On Reset Release Time2
tPORR
TA = 25°C, VCC rising
– 64 – µs
Supply Zener Clamp Voltage
Vz TA = 25°C, ICC = 30 mA
6.5 7.5
–
V
Internal Bandwidth
BWi Small signal –3 dB, CL = 1 nF, TA = 25°C
– 120 – kHz
Chopping Frequency3
fC TA = 25°C
– 500 – kHz
Output Characteristics
Propagation Delay Time2
Rise Time2
Response Time2
Delay to Clamp2
Output Voltage Clamp4
Output Saturation Voltage2
Broken Wire Voltage2
tPD
tR
tRESPONSE
tCLP
VCLP(HIGH)
VCLP(LOW)
VSAT(HIGH)
VSAT(LOW)
VBRK(HIGH)
VBRK(LOW)
TA = 25°C, magnetic field step of 400 G,
CL = 1 nF, Sens = 2 mV/G
TA = 25°C, magnetic field step of 400 G,
CL = 1 nF, Sens = 2 mV/G
TA = 25°C, magnetic field step of 400 G,
CL = 1 nF, Sens = 2 mV/G
TA = 25°C, Step magnetic field from 800 to
1200 G, CL = 1 nF, Sens = 2 mV/G
TA = 25°C, RL(PULLDWN) = 10 kΩ to GND
TA = 25°C, RL(PULLUP) = 10 kΩ to VCC
TA = 25°C, RL(PULLDWN) = 10 kΩ to GND
TA = 25°C, RL(PULLUP) = 10 kΩ to VCC
TA = 25°C, RL(PULLUP) = 10 kΩ to VCC
TA = 25°C, RL(PULLDWN) = 10 kΩ to GND
– 2.2 – µs
– 3.6 – µs
– 3.7 – µs
– 10 – µs
4.55 – 4.85 V
0.15 – 0.45 V
4.7 – – V
– – 400 mV
– VCC –
V
– 100 – mV
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
5 Page 
A1363
Low Noise, High Precision, Programmable Linear Hall Effect Sensor IC
With Advanced Temperature Compensation
And High Bandwidth (120 kHz) Analog Output
SVUeCVnCsL5itOViv-i3EtynV=af2abllmletiVmT/Geim,=Ce1B.Y5(PAtµSUSs=VOLOpEen), CL=1 nF
VUVLOL
Supply (VCC, V)
tUVLOE = 63.6 µs
Output (VOUT, V)
Output = 0 V
UVSeCVCnLs3iOtViv-Di5tyiVs=ar2ebcmloevVe/TrGyim,tCimeBYeP(At=SUS1=V.5LOOpµDesn),CL=1 nF
VCC(min)
tUVLOD = 12 µs
90% of Output
Supply (VCC, V)
Output (VOUT, V)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet A1363.PDF ] | |
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