ATS636LSETN-T Allegro Microsystems Inc, ATS636LSETN-T Datasheet
ATS636LSETN-T
Specifications of ATS636LSETN-T
Related parts for ATS636LSETN-T
ATS636LSETN-T Summary of contents
Page 1
Features and Benefits ▪ Chopper Stabilization ▫ Extremely low switchpoint drift over temperature ▪ On-chip Protection ▫ Supply transient protection ▫ Output short-circuit protection ▫ Reverse-battery protection ▪ True Zero-Speed Operation ▪ True Power-On State ▪ Single-chip Sensing IC for ...
Page 2
... Selection Guide Output Part Number (Tooth) ATS635LSETN-T ATS636LSETN-T ® *Contact Allegro for additional packing options Absolute Maximum Ratings Characteristic Supply Voltage Reverse Supply Voltage ...
Page 3
ATS635LSE and ATS636LSE ELECTRICAL CHARACTERISTICS Characteristics 2 Supply Voltage Power-Up State Low Output Voltage 3 Output Current Limit Output Leakage Current Supply Current Reverse Supply Current Power-On Delay 4 Output Rise Time Output Fall Time Sampling Frequency Supply Zener Voltage ...
Page 4
ATS635LSE and ATS636LSE MAGNETIC CHARACTERISTICS Characteristics Number of Programming Bits Gear Tooth / Proximity Characteristics (Low switchpoint only) Programming Air Gap Range 1 Programming Resolution Air Gap Drift Over Full Temperature Range 2 Polarity 1 The switchpoint will vary over ...
Page 5
ATS635LSE and ATS636LSE -50 - TEMPERATURE (°C) 500 400 300 200 100 Programmable Back Biased Hall-Effect Switch with TPOS Functionality Characteristic Performance Data taken from 3 ...
Page 6
ATS635LSE and ATS636LSE -50 Notes: • Air gaps for Code 127 at 150°C are interpolated due to test limitations at minimum air gap. • These graphs are intended to provide an understanding ...
Page 7
ATS635LSE and ATS636LSE REFERENCE TARGET DIMENSIONS Target Outside Diameter ( Reference Target 120 mm Reference Target Gear Parameters for Correct Operation Characteristic Tooth Whole Depth (h ) Depth of Target Valley t Circular Valley Length (P – T) ...
Page 8
ATS635LSE and ATS636LSE Chopper-Stabilized Technique The basic Hall element is a small sheet of semiconductor material in which a constant bias current will flow when a constant volt- age source is applied. The output will take the form of a ...
Page 9
ATS635LSE and ATS636LSE The ATS635LSE and ATS636LSE magnetic operate point programmed by serially addressing the devices through the supply terminal (1). After the correct operate point is determined, the device programming bits are selected and blown, then a ...
Page 10
ATS635LSE and ATS636LSE Program Enable To program the device, a keying sequence is used to activate / enable the programming mode as shown in figure 4. This program key sequence consisting of a VPP pulse, at least seven VPH pulses, ...
Page 11
ATS635LSE and ATS636LSE Lock-Bit Programming After the desired code is programmed, the lock bit (code 128), can be programmed (figure 7) to prevent further programming of the device. Again, programming is not reversible. See Allegro website at http://www.allegromicro.com for extensive ...
Page 12
ATS635LSE and ATS636LSE For applications it is strongly recommended that an external ceramic bypass capacitor in the range of 0.01 μF to 0.1 μF be connected between the supply and ground of the device to reduce both external noise and ...
Page 13
ATS635LSE and ATS636LSE Due to internal power consumption, the junction temperature of the IC (junction temperature higher than the ambient J environment temperature ensure that the device does not A operate above the maximum ...
Page 14
ATS635LSE and ATS636LSE 10.00±0.05 3.3±0.1 1.3±0.1 4.9±0 6.23±0.10 24.65±0.10 11.60±0.10 A 5.50±0.10 Programmable Back Biased Hall-Effect Switch with TPOS Functionality Package SE 4-Pin SIP E Branded Face 0.9±0.1 0.60±0.10 1.0 REF 2.00±0.10 1.0 REF ...
Page 15
ATS635LSE and ATS636LSE Copyright ©2005-2009, Allegro MicroSystems, Inc. The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending. ...