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PGA2320 Datasheet(PDF) 11 Page - Texas Instruments |
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PGA2320 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 15 page PGA2320 SBOS312B − JULY 2004 − REVISED DECEMBER 2004 www.ti.com 11 MUTE FUNCTION The PGA2320 includes a mute function. This function may be activated by either the MUTE input (pin 8), or by setting the gain byte value for one or both channels to 00HEX. The MUTE pin may be used to mute both channels, while the gain setting may be used to selectively mute the left and right channels. Muting is accomplished by switching the input multiplexer to analog ground (AGNDR or AGNDL) with zero crossing enabled. The MUTE pin is active low. When MUTE is low, each channel will be muted following the next zero crossing event or timeout that occurs on that channel. If MUTE becomes active while CS is also active, the mute will take effect once the CS pin goes high. When the MUTE pin is high, the PGA2320 operates normally, with the mute function disabled. APPLICATIONS INFORMATION This section includes additional information that is pertinent to designing the PGA2320 into an end application. RECOMMENDED CONNECTION DIAGRAM Figure 5 depicts the recommended connections for the PGA2320. Power-supply bypass capacitors should be placed as close to the PGA2320 package as physically possible. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Controller C 2 C 3 C 4 C 5 C 6 C 1 +5V Digital SDO DGND AGND MUTE SCLK +15V Analog − 15V Analog V INL V OUTL V OUTR V INR SDI CS ZCEN C 2,C3,C5 =0.1µF ceramic or metal film. C 1,C4,C6 =10µF tantalum or aluminum electrolytic. PGA2320 To Additional PGA2320s Figure 5. Recommended Connection Diagram |
Similar Part No. - PGA2320 |
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Similar Description - PGA2320 |
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