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IC-TW8_13

Description
16-BIT SIN/COS INTERPOLATOR WITH AUTO-CALIBRATION
File Size2MB,63 Pages
ManufactureriC-Haus GmbH
Websitehttp://www.ichaus.biz
Download Datasheet View All

IC-TW8_13 Overview

16-BIT SIN/COS INTERPOLATOR WITH AUTO-CALIBRATION

nar y
iC-TW8
16-BIT SIN/COS INTERPOLATOR
limi
pre
WITH AUTO-CALIBRATION
Rev A2, Page 1/12
FEATURES
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
Input frequency of up to 125 kHz
Binary/decimal interpolation factors from x0.25 to x16384
Post-AB divider [1/1 to 1/32] allows fractional resolution
Differential sine/cosine input signal range of
20 mV to 1.4 V peak-peak
Automatic offset, gain match and phase correction
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), serial I
2
C EEPROM
PWM or ABZ quadrature encoder output signals
Incremental ABZ output to 8 MHz (32 MHz edge separation)
Position and velocity read-out (32 bit SPI)
Sophisticated error handling and signal monitoring
Static 64 position LUT to compensate for arbitrary sensor
distortions
Supply voltage range of 3.1 V to 5.5 V
Extended temperature range of -40 to +125 °C
APPLICATIONS
o
Sine/cosine interpolation
o
Signal conditioning with auto
calibration
o
Linear and rotary encoders
o
Flexible incremental encoder
systems
PACKAGES
QFN48 7x7
BLOCK DIAGRAM
AVDD
SIN+
SIN-
+
_
DVDD
OUTA
ADC
QUADRATURE
PWM
GENERATOR
DIGITAL
SIGNAL
PROCESSING
EEPROM
MASTER
OUTB
OUTZ
COS+
COS-
+
_
ADC
ZERO+
ZERO-
+
_
SDA
SCL
WP
XIN
XOUT
VC
VREF
CRYSTAL
DRIVER
BANDGAP
EESEL
iC-TW8
MEMORY
1-WIRE
INTERFACE
IR
SPI_SO
xRST
RESET
SPI_SI
SPI
SPI_SCLK
SPI_xSS
FAULT
STATUS
FRAME
CLOCK
CALIB
FAB
PINSEL
AVSS
DVSS
C3
CONTROL
PIN
CONFIG.
INTERFACE
C2
C1
C0
Copyright © 2013 iC-Haus
http://www.ichaus.com
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Index Files: 1984  124  1326  2690  2550  40  3  27  55  52 
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