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AD1937-1638

製品説明
仕様・特性

4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC AD1935/AD1936/AD1937/AD1938/AD1939 Preliminary Technical Data Features Applications PLL generated (32-192kHz) or direct master clock Low EMI design 109 dB DAC/ 107dB ADC Dynamic Range and SNR -94dB THD+N Single 3.3V Supply Tolerance for 5V logic inputs Supports 24-bits and 8 kHz - 192 kHz sample rates Differential ADC input Single-ended or Differential DAC output versions Log volume control with "auto-ramp" function Hardware and software controllable clickless mute Software and hardware power-down Right justified, left justified, I2S and TDM Modes Master and slave modes up to 16 channel in/out 48-lead LQFP or 64-lead LQFP plastic package Automotive audio systems Home theater systems Set-top boxes Digital audio effects processors GENERAL DESCRIPTION The AD193X family are high performance, single-chip codecs that provide 4 ADCs with differential input and 8 DACs with either single-ended or differential output using ADI’s patented multibit sigma-delta architecture. An SPI® or I2C® port is included, allowing a microcontroller to adjust volume and many other parameters. The AD193X family operates from 3.3V digital and analog supplies. The AD193X is available in a 48-lead (SE output) or 64-lead (differential output) LQFP package. The AD193X is designed for low EMI. This consideration is apparent in both the system and circuit design architectures. By using the on-board PLL to derive master clock from L-R clock, the AD193X eliminates the need for a separate high frequency master clock. It can also be used with a suppressed bit clock. The D-A and A-D converters are designed using the latest ADI continuous time architectures to further minimize EMI. By using 3.3V supplies, power consumption is minimized, further reducing emissions. Functional Block Diagram Digital Audio Input/Output AD193X Serial Data Port DAC DAC SDATAOUT ADC Analog Audio Inputs ADC CLOCKS ADC ADC SDATAIN Digital Filter Timing Management & Control (Clock & PLL) Precision Voltage Reference Digital Filter & Volume Control DAC DAC DAC Analog Audio Outputs DAC DAC DAC Control Port SPI / I2C Control Data Input/Output Figure 1 Rev. PrI Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2005 Analog Devices, Inc. All rights reserved.

ブランド

AD

会社名

Analog Devices

本社国名

U.S.A

事業概要

半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。

供給状況

 
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