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PGA2311UAG4 Datasheet(PDF) 11 Page - Burr-Brown (TI) |
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PGA2311UAG4 Datasheet(HTML) 11 Page - Burr-Brown (TI) |
11 / 17 page PGA2311 SBOS218A – DECEMBER 2001 – REVISED JUNE 2002 www.ti.com 11 MUTE FUNCTION Muting can be achieved by either hardware or software control. Hardware muting is accomplished via the MUTE input, and software muting by loading all zeroes into the volume control register. MUTE disconnects the internal buffer amplifiers from the output pins and terminates AOUTL and AOUTR with 10k Ω resistors to ground. The mute is activated with a zero crossing detection (independent of the zero cross enable status) or an 16ms time-out to eliminate any au- dible “clicks” or “pops”. MUTE also initiates an internal offset calibration. A software mute is implemented by loading all zeroes into the volume control register. The internal amplifier is set to unity gain with the amplifier input connected to AGND. APPLICATIONS INFORMATION This section includes additional information that is per- tinent to designing the PGA2311 into an end applica- tion. RECOMMENDED CONNECTION DIAGRAM Figure 5 depicts the recommended connections for the PGA2311. Power-supply bypass capacitors should be placed as close to the PGA2311 package as physically possible. Figure 5. Recommended Connection Diagram. |
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Similar Description - PGA2311UAG4 |
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