Datasheet > IC-TW8

IC-TW8

更新时间： 2024-09-28 11:18:43

品牌	Logo	应用领域
ICHAUS		/
页数	文件大小	规格书
2页	396K
描述
16-BIT SIN/COS INTERPOLATOR WITH AUTO-CALIBRATION

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IC-TW8 数据手册

iC-TW8

16-BIT SIN/COS INTERPOLATOR

WITH AUTO-CALIBRATION

iC-TW8 is a general-purpose, 16-bit interpolation device for

Features

sine/cosine signals featuring automatic signal conditioning. The

angular position is calculated at a constant latency of just 24 μs

and can be tracked by an optional second-order servo loop that

provides lag retrieval.

•

Input frequency of up to 125 kHz

Differential sine/cosine input signal range of 20 mV to

1.4 V peak-peak

•

Fractional interpolation factor edged per period of

[8 ... 65536] / [1 ... 32]

The automatic signal conditioning unit includes offset compen-

sation, amplitude correction, and phase correction. Additionally,

an LUT can be used to correct the digitized phase angle

depending on the sensor’s harmonic signal distortion.

•

Simple automatic one-pin calibration

Easy configuration: by static pins (for generic ABZ output)

Advanced configuration: 1-wire interface, 3 and 4-wire SPI

(32 MHz), EEPROM (SPI or I C)

•

PWM or ABZ quadrature encoder output signals

Incremental ABZ output to 8 MHz (32 MHz edge

separation)

Applications

•

Sine/cosine interpolation

•

Position and velocity read-out (32 bit SPI)

Sophisticated error handling and signal monitoring

Static 64 position LUT to compensate for arbitrary sensor

distortions

Signal conditioning with auto calibration

Linear and rotary encoders

Flexible incremental encoder systems

•

Supply voltage range of 3.1 V to 5.5 V

Extended temperature range of -40 °C to +125 °C

48-pin QFN package

7 mm x 7 mm

Am Kuemmerling 18 • D-55294 Bodenheim, Germany

Tel. +49 61 35/92 92-300 • Fax +49 61 35/92 92-19 2 • http://www.ichaus.com

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