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A1365LKTTN-2-T

更新时间： 2022-02-26 11:15:28
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32页 996K
描述
Low-Noise, High-Precision, Programmable Linear Hall-Effect Sensor IC

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A1365  
Low-Noise, High-Precision, Programmable Linear Hall-Effect Sensor IC  
With High-Bandwidth (120 kHz) Analog Output and Integrated Fault Comparator  
FEATURES AND BENEFITS  
DESCRIPTION  
• Proprietary segmented linear temperature compensation  
(TC) technology provides a typical accuracy of 1% over  
the full operating temperature range  
The A1365 linear output Hall-effect sensor IC is specifically  
designed to provide a highly accurate output with improved  
resolution at high bandwidth for use in current-sensing  
applications. This device employs a segmented, linearly  
interpolated temperature compensation technology, which  
provides greater accuracy in sensitivity and offset voltage  
trimming and hence virtually zero temperature drift. This  
improvementgreatlyreducesthetotalerrorofthedeviceacross  
the operating temperature range.  
• 120 kHz nominal bandwidth achieved via proprietary  
packaging and chopper stabilization techniques  
• Over Field Fault signal with 6-bit programmable trigger  
levels, 2-bit programmable hysteresis, and latching or  
non-latching behavior  
• Over Field Fault response time < 4.5 μs (typ)  
• Extremely low noise and high resolution achieved via  
proprietary Hall element and low-noise amplifier circuits  
• Customer-programmable, high-resolution offset and  
sensitivity trim  
The highly programmable Over Field Fault signal (FAULT  
pin) can be used to detect a high magnetic field condition.  
Broken ground wire detection, undervoltage lockout for VCC  
belowspecification,anduser-selectableoutputvoltageclamps  
are also included, which are important for high reliability in  
automotive applications. The sensor accuracy and diagnostic  
capability make it ideally suited for automotive sockets such  
as HEV inverter and DC-to-DC converter applications.  
• Available in a 1-mm-thick SIP through-hole package  
• Factory-programmed sensitivity and quiescent  
output voltage TC with extremely stable temperature  
performance  
Continued on the next page…  
The A1365 Hall-effect sensor IC is extremely sensitive, fast,  
and temperature-stable. The accuracy and flexibility of this  
device is enhanced by user programmability, performed via  
the VCC supply and the output pins, which allows the device  
to be optimized in the application.  
PACKAGE:  
4-Pin SIP (suffix KT)  
ThisratiometricHall-effectsensorICprovidesavoltageoutput  
thatisproportionaltotheappliedmagneticfield.Thequiescent  
outputvoltageisuser-adjustablearound50%(bidirectional)of  
Continued on the next page…  
Not to scale  
V +  
(Programming)  
VCC  
Programming  
Control  
6-Bit Programmable Window Comparator  
VREF(High)  
0.88 × VCC to 0.72 × VCC  
COMP_IN  
–
+
Internal  
Pull-Up  
6 bits  
Temperature  
Sensor  
EEPROM and  
Control Logic  
FAULT  
–
+
VREF(Low)  
CBYPASS  
Sensitivity Control  
Offset Control  
0.12 × VCC to 0.28 × VCC  
VOUT  
Signal Recovery  
GND  
(Programming)  
Functional Block Diagram  
A1365-GS-DS  
1234567...32

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