A1351KKTTN-T Allegro Microsystems Inc, A1351KKTTN-T Datasheet - Page 20

• Manufacturer Part Number: A1351KKTTN-T
• Description: IC,HALL-EFFECT SENSOR,SINGLE-ENDED,BICMOS,SIP,4PIN,PLASTIC
• Manufacturer: Allegro Microsystems Inc
• Type: Linear - Unipolar, Bipolarr

Specifications of A1351KKTTN-T

• Sensing Range: 0.055% ~ 0.095% DC/G
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 10mA
• Current - Output (max): 1mA
• Output Type: Digital, Push-Pull
• Features: High Precision
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 4-SIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A1351
Programming Logic Table
Calibration Test Mode
Register Selection
PWM Frequency /
(B = 0 Gauss)
Coarse D
Sensitivity
Fine D
Lock All
(Key)
(1)
(1)
(2)
(3)
(5)
(Q)
(Q)
Binary Bit Field
with a Push/Pull, Pulse Width Modulated Output
(MSB→LSB)
0000000000
1000000000
000000000
000000000
100000000
000000000
100000000
011111111
011111111
111111111
Address
00000
10000
01111
High Precision Linear Hall Effect Sensor IC
Equivalent Code
Decimal
255
256
255
256
512
511
15
16
0
0
0
0
0
Initial value; Sens = Sens
Maximum gain value in range
Initial value; D
Enable coarse D
programming to unidirectional programming;
D
Initial value
Maximum quiescent duty cycle in range
Switch from programming increasing D
decreasing D
Minimum quiescent duty cycle in range
Initial value; f
Minimum PWM frequency in range
Enable 50% D Calibration Test Mode
Initial value
Lock all registers
(Q)
= D
(Q)UNIinit
PWM
(Q)
(Q)
; D
(Q)
= D
= f
(Q)
bit; switch from bidirectional
PWMPRE
(Q)BIinit
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
= D
Description
init
(Q)init
(Q)
to programming
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