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MC145073

Motorola
Part Number MC145073
Manufacturer Motorola
Description Dual 16-Bit Stereo Audio Sigma-Delta ADC
Published May 13, 2015
Detailed Description MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145073/D Product Preview Dual 16-Bit Stereo Audio Sigma...
Datasheet PDF File MC145073 PDF File

MC145073
MC145073

Overview
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145073/D Product Preview Dual 16-Bit Stereo Audio Sigma-Delta ADC CMOS The MC145073 is a dual–channel, 16–bit A/D converter intended for use in digital audio systems such as multimedia, DCC, DAT, and professional audio applications.
It uses a sigma–delta architecture consisting of a second–order analog modulator and two stages of digital filtering for each channel.
The analog modulator samples the input signal at 128 times the output data rate, performs a single–bit quantization, and shapes the quantization noise towards higher frequencies.
Subsequent on–chip digital filters reject most of the shaped quantization noise and lower the data rate.
Sixteen unique user–selectable interfacing modes make the MC145073 compatible with a multitude of application interfacing requirements.
A single 5 V supply and a power–down mode reduce power supply requirements, making the part attractive for portable applications.
• Single Supply, Operating Voltage Range: 4.
5 to 5.
5 V • 128x OSR Sigma–Delta Modulator • 82 dB Typical S/(N+D) • Analog Inputs Can Be Driven as Either Differential or Single–Ended • Clock Input May Be 128x, 256x, or 384x the Output Data Rate • Out–of–Range Input Signals Internally Limited • On–Chip Digital Filters: 5th Order Decimate–by–32 Comb Filter 121 Tap Decimate–by–4 FIR Filter • User–Selectable Digital Filter Transition Bands • Versatile Serial Digital Output Interface: Configurable as Master or Slave Data Can Be Either Left– or Right–Justified Interfaces to DSP56000/1 and TMS320™ DSPs I2S or Japanese Interface Compatibility CS5326 Compatible Interface Mode Multiplexing of Two MC145073s Accommodated • Power–Down Mode Consumption: 2.
0 mW • Operating Temperature Range: – 40 to 85°C AIN(+L) AIN(–L) MODULATOR COMB FILTER FIR FILTER MC145073 24 1 DW SUFFIX SOG PACKAGE CASE 751E ORDERING INFORMATION MC145073DW SOG Package PIN ASSIGNMENT AIN(+L) AIN(–L) REF 1 2 3 VDD(A) 4 VSS(A) 5 SUB 6 ...


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