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PCM3168APAPR Datasheet(PDF) 42 Page - Texas Instruments |
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PCM3168APAPR Datasheet(HTML) 42 Page - Texas Instruments |
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42 / 66 page ![]() PCM3168A PCM3168A-Q1 SBAS452 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com DEC HEX B7 B6 B5 B4 B3 B2 B1 B0 68 44 MUTDA8 MUTDA7 MUTDA6 MUTDA5 MUTDA4 MUTDA3 MUTDA2 MUTDA1 MUTDA[8:1] DAC Soft Mute control These bits are used to enable or disable the Soft Mute function for the corresponding DAC outputs, VOUT. The Soft Mute function is incorporated into the digital attenuators. When Mute is disabled (MUTDA[8:1] = 0), the attenuator and DAC operate normally. When Mute is enabled by setting MUTDA[8:1] = 1, the digital attenuator for the corresponding output decreases from the current setting to infinite attenuation with an s-curve response and time set by ATSPDA. By setting MUTDA[8:1] = 0, the attenuator increases to the last attenuation level with s-curve response in the same manner as it is for decreasing levels. This configuration provides pop and zipper noise-free muting of the DAC output. The Soft Mute control uses the same digital attenuation level resource setting as the DAC. Mute control has priority over the digital attenuation level setting. Default value: 0000 0000. MUTDA DAC Soft Mute control xxxx xxx0 DAC1 Mute disabled xxxx xxx1 DAC1 Mute enabled xxxx xx0x DAC2 Mute disabled xxxx xx1x DAC2 Mute enabled xxxx x0xx DAC3 Mute disabled xxxx x1xx DAC3 Mute enabled xxxx 0xxx DAC4 Mute disabled xxxx 1xxx DAC4 Mute enabled xxx0 xxxx DAC5 Mute disabled xxx1 xxxx DAC5 Mute enabled xx0x xxxx DAC6 Mute disabled xx1x xxxx DAC6 Mute enabled x0xx xxxx DAC7 Mute disabled x1xx xxxx DAC7 Mute enabled 0xxx xxxx DAC8 Mute disabled 1xxx xxxx DAC8 Mute enabled 42 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): PCM3168A PCM3168A-Q1 |
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