4 ADC/8 DAC With PLL, 192 KHz, 24-Bit Codec

The AD1939 is a high performance, single-chip codec that provides four Analog-to-digital converters (ADCs) with differential input, and eight digital-to-analog converters (DACs) with differential output using the Analog Devices, Inc. patented multibit sigma-delta (-) architecture. An SPI port is included, allowing a Microcontroller to adjust volume and many other parameters. The AD1939 operates from 3.3 V digital and Analog supplies. The AD1939 is available in a 64-lead (differential output) LQFP package.
The AD1939 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 the master Clock from the LR Clock or from an external crystal, the AD1939 eliminates the need for a separate high frequency master Clock and CAN also be used with a suppressed bit Clock The DACs and ADCs are designed using the latest Analog Devices continuous time architectures to further minimize EMI By using 3.3 V supplies, power consumption is minimized, further reducing emissions.
Applications Automotive Audio systems Home Theater Systems Set-top boxes Digital Audio effects processors
Data Sheet, Rev. A, 6/07
By Analog Devices, Inc.
AD1939 's PackagesAD1939 's pdf datasheet
AD1939YSTZ LQFP
AD1939YSTZRL LQFP




AD1939 Pinout, Pinouts
AD1939 pinout,Pin out
This is one package pinout of AD1939,If you need more pinouts please download AD1939's pdf datasheet.

AD1939 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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