12-Bit Linear Position Hall Encode IC

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Product Information

The iC-MHL200 is a magnetic position sensor with integrated Hall sensors for the scanning of magnetic tapes and pole wheels featuring a pole pitch of 2 mm. Moving speeds of up to 8 m/s can be followed even at highest resolution representing 0.98 μm.

The signal conditioning unit generates constantamplitude sine and cosine voltages that are used for real-time tracking sine-to-digital angle conversion. The resolution can be programmed up to a maximum of 4,096 increments within one magnetic period of 4 mm.

The integrated serial interface enables daisy-chain operation of multiple devices with a synchronous position capture at all networked sensors. The device’s memory can also be accessed via the bidirectional BiSS C protocol without interfering the readout cycles.

The incremental interface with the pins A, B and Z supplies encoder quadrature signals at an edge rate of up to 8 MHz. Complementary incremental signals are available at the U, V, W outputs. The index position at the Z output is adjustable and can be gated via enable input ENZ. A/B/Z and U/V/W form RS422-compatible outputs and are programmable regarding the output’s drive current and slew rate.

A gain-dependent analog signal is available at the GAIN output, which can be used to monitor mechanical alignment of the sensor with respect to the magnetic target.

All device parameters can be stored in the internal non-volatile Zener-zapping ROM to allow selfconfiguration after power on. The required writing algorithm for programming is executed by the IC itself.

Together with the appropriate magnetic scale or pole wheel, the iC-MHL200 provides a single-chip solution for linear and rotary encoders.

iC-Haus iC_MHL200_001


• Motion control
• Linear position encoders
• Incremental off-axis rotary encoders

Symmetry Electronics (and its e-commerce division: SemiconductorStore.com) is an authorized iC-Haus distributor.


Realtime system for linear speed up to 8 m/s at full resolution
Absolute position within the magnetic period of 4mm
12-bit interpolation w. 4096 increments, resolution better 1μm
Automatic signal offset compensation
Automatic amplitude control for optimum operating point
Programmable features: interpolation factor, hysteresis, minimum phase distance, zero position and code direction
Electronic index generation with multi-purpose enable input
RS422-compatible A/B/Z outputs for encoder quadrature signals with up to 8MHz edge rate
Serial I/O interface for high-speed data output (BiSS/SSI) and configuration (BiSS)
Zener-Zap ROM for non-volatile setup and OEM data
Signal monitoring: loss of signal, excessive frequency
Single 5 V supply
Extended temperature range of -40 to +125 C


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12-Bit Linear Position Hall Encode IC
Part #: IC-MHL200 TSSOP20
12-Bit Linear Position Hall Encode IC