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A1360 Datasheet(PDF) 15 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) 15 Page - Allegro MicroSystems

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A1360, A1361,
and A1362
Programming Pulse Requirements, protocol at TA = 25°C
Characteristic
Symbol
Notes
Min.
Typ.
Max.
Units
Programming Voltage
VP(LOW)
Measured at the VOUT pin.
5.5
V
VP(MID)
14
15
16
V
VP(HIGH)
26
27
28
V
Programming Current
IP
Minimum supply current required to ensure proper
fuse blowing. In addition, a minimum capacitance,
CBLOW = 0.1 μF, must be connected between the
VOUT and GND pins during programming, to provide
the current necessary for fuse blowing.
300
mA
Pulse Width
tLOW
Duration of VP(LOW) voltage level for separating
VP(MID) and VP(HIGH) pulses, and delay time after the
final VBLOW pulse.
40
μs
tACTIVE
Duration of VP(MID) and VP(HIGH) pulses for register
selection or bit field addressing.
40
μs
tBLOW
Duration of VP(HIGH) pulses for fuse blowing.
40
μs
Pulse Rise Time
tPr
Rise time required for transitions from VP(LOW) to
either VP(MID) or VP(HIGH).
5
100
μs
Pulse Fall Time
tPf
Fall time required for transitions from VP(HIGH) or
VP(MID) to VP(LOW).
5
100
μs
Zone The 136x programming logic is designed to accept up to
two different key-code combinations sequentially without cycling
the supply. The first key-code combination is interpreted as
addressing a register in the first zone, and the second key-code
combination is interpreted as addressing a register in the second
zone. All of the parameter registers are located in either the first
or second zone. The first zone must be entered and exited before
the parameter registers available in the second zone may be
accessed.
Fuse Blowing Applying a high voltage pulse of sufficient dura-
tion to permanently set an addressed bit by blowing a fuse
internal to the device. After a bit (fuse) has been blown, it cannot
be reset.
Blow Pulse A high voltage pulse of sufficient duration to blow the
addressed fuse.
Cycling the Supply Powering-down, and then powering-up the
supply voltage. Cycling the supply is used to clear the program-
ming settings in Try mode.
Low-Noise Programmable Linear Hall Effect Sensor ICs with
Adjustable Bandwidth (50 kHz Maximum) and Analog Output
15
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com


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