Datasheet > IC-TW4

IC-TW4

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
14页	299K
描述
PROGRAMMABLE INTERPOLATOR WITH AUTOMATIC OFFSET CORRECTION

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IC-TW4 数据手册

iC-TW4 PROGRAMMABLE INTERPOLATOR

WITH AUTOMATIC OFFSET CORRECTION

Rev D1, Page 1/14

FEATURES

APPLICATIONS

♦ Realtime interpolation with selectable factors of

x2, x4, x5, x8, x10, x16, x20, x25, x32, x50, x64

♦ Differential signal and index gating inputs

♦ Input voltage range of 10 mVpp diff. to 1.5 Vpp diff.

♦ Maximum input frequency of 300 kHz (to x8),

150 kHz (x10 to x16), 75 kHz (x20 and up)

♦ Selectable hysteresis of 2.8 ° to 15.6 °

♦ Optical and magnetic position

sensors

♦ Rotary encoders

♦ Linear encoders

♦ Space constraint embedded

solutions

♦ Averaging ﬁlter over 16 samples

♦ Latency less than 1 µs

♦ Differential encoder quadrature outputs

♦ Electronic index signal generation

♦ Startup behaviour: ABZ state deﬁned by absolute sensor

position within a period

PACKAGES

♦ Automatic offset correction for sensor and interpolator circuit

♦ Static pin programming with four external resistors

♦ Low power consumption from single-ended 3.3 V to 5 V supply

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

QFN24

BLOCK DIAGRAM

VDD

iC-TW4

PINA

NINA

COSINE INPUT / A

PINB

NINB

SIN/D

CONVERSION

SINE INPUT / B

16 x FILTER

AUTOMATIC

OFFSET

COMPENSATION

HYSTERESIS

PINZ

NINZ

CFG1

CFG2

ABZ-

GENERATOR

ZERO INPUT

SIGNAL PROCESSING

2 PIN-SETUP

GND

http://www.ichaus.com

12 3 4 5 6 7...14

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