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A1321 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. A1321
Description  Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1321 Datasheet(HTML) 3 Page - Allegro MicroSystems

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A1321-DS Rev. 3
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
A1321/A1322/A1323
DEVICE CHARACTERISTICS1 over operating temperature (TA) range, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min.
Typ.2
Max.
Units
Electrical Characteristics; VCC = 5 V, unless otherwise noted
Supply Voltage
Vcc(op)
Operating; Tj < 165°C
4.5
5.0
5.5
V
Supply Current
Icc
B = 0, Iout = 0
5.6
8
mA
Quiescent Voltage
Vout(q)
B = 0, TA = 25ºC, Iout = 1 mA
2.425
2.5
2.575
V
Output Voltage3
Vout(H)
B = +X, Iout = –1 mA
4.7
V
Vout(L)
B = –X, Iout = 1 mA
0.2
V
Output Source Current Limit3
Iout(LM)
B = –X, Vout → 0
–1.0
–1.5
mA
Supply Zener Clamp Voltage
VZ
Icc = 11 mA = Icc(max) + 3
6
8.3
V
Output Bandwidth
BW
30
kHz
Clock Frequency
fC
150
kHz
Output Characteristics; over VCC range, unless otherwise noted
Noise, Peak-to-Peak4
VN
A1321; Cbypass = 0.1 µF, no load
40
mV
A1322; Cbypass = 0.1 µF, no load
25
mV
A1323; Cbypass = 0.1 µF, no load
20
mV
Output Resistance
Rout
Iout ≤ ±1 mA
1.5
3
Output Load Resistance
RL
Iout ≤ ±1 mA, VOUT to GND
4.7
kΩ
Output Load Capacitance
CL
VOUT to GND
10
nF
1 Negative current is defined as conventional current coming out of (sourced from) the specified device terminal.
2 Typical data is at TA = 25°C. They are for initial design estimations only, and assume optimum manufacturing and application
conditions. Performance may vary for individual units, within the specified maximum and minimum limits.
3 In these tests, the vector X is intended to represent positive and negative fields sufficient to swing the output driver between fully OFF
and saturated (ON), respectively. It is NOT intended to indicate a range of linear operation.
4 Noise specification includes both digital and analog noise.


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