Quad Digital Filter
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BurrĆBrown Products from Texas Instruments
AM C1
21
0I
AMC1210
SBAS372A – APRIL 2006 – REVISED ...
Description
www.DataSheet4U.com
BurrĆBrown Products from Texas Instruments
AM C1
21
0I
AMC1210
SBAS372A – APRIL 2006 – REVISED OCTOBER 2006
Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
FEATURES
Four Independently-Programmable Digital Filters Four Window Comparators Three Parallel and One Serial Interface Comprehensive Interrupt System Programmable Input Configuration Carrier Frequency Generator for Resolver Applications
DESCRIPTION
The AMC1210 is a four-channel digital filter designed specifically for current measurement and resolver position decoding in motor control applications. Each input can receive an independent delta-sigma (∆Σ) modulator bit stream. The bit streams are processed by four individually-programmable digital decimation filters. The AMC1210 also offers a flexible interface and a comprehensive interrupt unit, allowing customized digital functionality and immediate digital threshold comparisons for over-current monitoring.
APPLICATIONS
Current Measurement Resolver Decoding
AMC1210
Resolver PWM1 PWM2 FILTER MODULE 1 IN1 ADS1205 CLK1
Input Control Sinc Filter/ Integrator Comparator Filter
Control Module Signal Generator
Interrupt Unit
CLK RST INT ACK
IN2 ADS1205
Time Measurement
FILTER MODULE 2 CLK2 Current Shunt Resistor ISO 721 IN3 FILTER MODULE 3
Register Map
Interface Module
CS ALE RD WR M0 M1 AD0
ADS1203
AD7
IN4 ADS1204 CLK4
FILTER MODULE 4
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