A1351 Datasheet PDF - Allegro MicroSystems
| Part Number | A1351 | |
| Description | High Precision Linear Hall Effect Sensor IC | |
| Manufacturers | Allegro MicroSystems | |
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A1351
High Precision Linear Hall Effect Sensor IC
with a Push/Pull, Pulse Width Modulated Output
Discontinued Product
This device is no longer in production. The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: April 30, 2012
Recommended Substitutions:
For existing customer transition, and for new customers or new appli-
cations, contact Allegro Sales.
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan
for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The
information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no respon-
sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
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A1351
High Precision Linear Hall Effect Sensor IC
with a Push/Pull, Pulse Width Modulated Output
OPERATING CHARACTERISTICS (continued) valid over full operating temperature range, TA; CBYPASS = 0.1 μF, VCC = 5 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Quiescent Duty Cycle Programming
Initial Quiescent Duty Cycle Output
Coarse Quiescent Duty Cycle Output
Programming Bits6
D(Q)UNIinit
D(Q)BIinit
B = 0 G, TA = 25°C
B = 0 G, TA = 25°C
– 19.5 –
– D(Q)PRE –
–1–
%D
%D
bit
Guaranteed Quiescent Duty Cycle Output
Range7
Quiescent Duty Cycle Output Programming
Bits
D(Q)UNI
D(Q)BI
B = 0 G, TA = 25°C
B = 0 G, TA = 25°C
10 – 25 % D
36 – 66 % D
– 9 – bit
Average Quiescent Duty Cycle Output Step
Size8, 9
StepD(Q) TA = 25°C
0.07 0.08 0.09 % D
Quiescent Duty Cycle Output Programming
Resolution10
ErrPGD(Q) TA = 25°C
–
StepD(Q)
× ±0. 5
–
%D
Sensitivity Programming
Initial Sensitivity
Guaranteed Sensitivity Range11
Sensitivity Programming Bits
Sensinit
Sens
TA = 25°C
–
0.055
–
SensPRE
–
8
–
0.095
–
% D/G
% D/G
bit
Average Sensitivity Step Size8,9
Sensitivity Programming Resolution10
StepSENS
ErrPGSENS
TA = 25°C
TA = 25°C
700 785 870 μ% D/G
–
StepSENS
× ±0.5
–
μ% D/G
Carrier Frequency Programming
Guaranteed Carrier Frequency Programming
Range1,13
fPWM
105 125 160 Hz
Carrier Frequency Programming Bits
– 4 – bit
Average Carrier Frequency Step Size8,9
Carrier Frequency Programming Resolution10
StepfPWM
ErrPGfPWM
TA = 25°C
5 6.7 8
StepfPWM
× ±0.5
Hz
Hz
Calibration Test Mode Programming
Calibration Test Mode Selection Bit
CAL
– 1 – bit
Lock Bit Programming
Overall Programming Lock Bit
LOCK
– 1 – bit
Factory Programmed Temperature Coefficients
Sensitivity Temperature Coefficient12
Sensitivity Temperature Coefficient Error
Quiescent Duty Cycle Drift12
Quiescent Duty Cycle Drift Error
TCSens
ErrTCSENS
∆D(Q)
Err∆D(Q)
TA = 125 °C
TA = 125 °C
TA = 125 °C
TA = 125 °C, Sens = SensPRE
–0–
– < ±0.01 –
–0–
– < ±0.2 –
%/°C
%/°C
%D
%D
Continued on the next page…
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for A1351 electronic component. |
| Information | Total 24 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ A1351.PDF Datasheet ] | |
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