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A1360 Datasheet(PDF) 1 Page - Allegro MicroSystems

Part No. A1360
Description  Low-Noise Programmable Linear Hall Effect Sensor ICs with
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1360 Datasheet(HTML) 1 Page - Allegro MicroSystems

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Description
New applications for linear output Hall effect sensing, such
as current measurement, require both high accuracy and
increased sensor bandwidth. The Allegro® A1360, A1361,
and A1362 programmable linear Hall effect sensor ICs are
designed specifically to achieve both goals. Available in a
through-hole SIP (single in-line package), the A136x Hall
effect sensor ICs are sensitive and temperature-stable. The
accuracy of these devices is enhanced via programmability on
the device VOUT pin. A capacitor to ground on the FILTER
pin on the A136x can be used to tune the device bandwidth in
a range less than 50 kHz.
These ratiometric Hall effect sensor ICs provide a voltage
output that is proportional to the applied magnetic field. The
quiescent output voltage is user-adjustable around either
50% (bidirectional configuration) or 10% (unidirectional
configuration)ofthesupplyvoltage,VCC.Thedevicesensitivity
is adjustable within three guaranteed ranges: 0.7 to 1.4 mV/G
(A1360), 1.4 to 4.5 mV/G (A1361), and 4.5 to 16 mV/G
(A1362).
Each BiCMOS monolithic circuit integrates a Hall element,
temperature-compensation circuitry to reduce the intrinsic
sensitivity drift of the Hall element, a small-signal high-gain
amplifier, a clamped low-impedance output stage, and a
proprietary dynamic offset cancellation technique.
Features and Benefits
•
1 mm case thickness provides greater coupling for current
sensing applications
•
Customer programmable offset and sensitivity
•
Factory programmed 0% / °C sensitivity temperature coefficient
•
Programmability at end-of-line
•
Selectable unipolar or bipolar quiescent voltage levels
•
Selectable sensitivity ranges between 0.7 and 1.4 mV/G (A1360),
1.4 to 4.5 mV/G (A1361) and 4.5 to 16 mV/G (A1362)
•
Device bandwidth selectable under 50 kHz, via capacitor on
FILTER pin
•
Ratiometric sensitivity, quiescent voltage output, and clamps for
interfacing with application DAC
•
Temperature-stable quiescent voltage output and sensitivity
•
Precise recoverability after temperature cycling
•
Output voltage clamps provide short circuit diagnostic capabilities
•
Wide ambient temperature range: – 40°C to 150°C
•
Resistant to mechanical stress
A1360, A1361, and A1362
A1360-DS, Rev. 3
Low-Noise Programmable Linear Hall Effect Sensor ICs with
Adjustable Bandwidth (50 kHz Maximum) and Analog Output
Functional Block Diagram
Continued on the next page…
Ratiometric
Hall Drive
FILTER
VC
To subcircuits
C
GND
Program/Lock
Trim Control
CBYPASS
.
V+
Signal Recovery
VOUT
(Programming)
Sensitivity
Temperature
Coefficient
Sensitivity
Offset
Package: 4 pin SIP (suffix KT)
Not to scale
1 mm case thickness


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