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A1301

Allegro MicroSystems
Part Number A1301
Manufacturer Allegro MicroSystems
Description Continuous-Time Ratiometric Linear Hall Effect Sensor
Published Apr 24, 2007
Detailed Description A1301 and A1302 Continuous-Time Ratiometric Linear Hall-Effect Sensor ICs FEATURES AND BENEFITS • Low-noise output • Fa...
Datasheet PDF File A1301 PDF File

A1301
A1301

Overview
A1301 and A1302 Continuous-Time Ratiometric Linear Hall-Effect Sensor ICs FEATURES AND BENEFITS • Low-noise output • Fast power-on time • Ratiometric rail-to-rail output • 4.
5 to 6.
0 V operation • Solid-state reliability • Factory-programmed at end-of-line for optimum performance • Robust ESD performance Packages: 3-Pin SOT23W (suffix LH) 3-Pin SIP (suffix UA) Not to scale DESCRIPTION The A1301 and A1302 are continuous-time, ratiometric, linear Hall-effect sensor ICs.
They are optimized to accurately provide a voltage output that is proportional to an applied magnetic field.
These devices have a quiescent output voltage that is 50% of the supply voltage.
Two output sensitivity options are provided: 2.
5 mV/G typical for the A1301, and 1.
3 mV/G typical for the A1302.
The Hall-effect integrated circuit included in each device includes a Hall circuit, a linear amplifier, and a CMOS Class A output structure.
Integrating the Hall circuit and the amplifier on a single chip minimizes many of the problems normally associated with low voltage level analog signals.
High precision in output levels is obtained by internal gain and offset trim adjustments made at end-of-line during the manufacturing process.
These features make the A1301 and A1302 ideal for use in position sensing systems, for both linear target motion and rotational target motion.
They are well-suited for industrial applications over extended temperature ranges, from –40°C to 125°C.
Two device package types are available: LH, a 3-pin SOT23W type for surface mount, and UA, a 3-pin ultramini SIP for through-hole mount.
They are lead (Pb) free (suffix, –T) with 100% matte tin plated leadframes.
V+ VCC CBYPASS A1301-DS, Rev.
24 MCO-0000597 To all subcircuits Filter Amp Out Gain GND Offset Trim Control Functional Block Diagram VOUT March 6, 2020 A1301 and A1302 Continuous-Time Ratiometric Linear Hall-Effect Sensor ICs SPECIFICATIONS Selection Guide Part Number Packing* A1301EUA-T Bulk, 500 piece...


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