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TS5A22362 Folha de dados(PDF) 3 Page - Texas Instruments |
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TS5A22362 Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 28 page www.ti.com APPLICATION BLOCK DIAGRAMS InputSelect Shunt Switch IN2 IN1 COM2 COM1 NC2 NC1 NO2 OUT+ OUT+ OUT– OUT– NO1 TS5A22364 Audio Source1 Audio Source2 8- Speaker Shunt Switch (TS5A22364) 8- Speaker Input Select IN2 IN1 COM2 COM1 NC2 NC1 NO2 OUT+ OUT+ OUT– OUT– NO1 TS5A22362 Audio Source 1 Audio Source 2 Negative Signaling Capacity TS5A22362,, TS5A22364 0.65- Ω DUAL SPDT ANALOG SWITCHES WITH NEGATIVE SIGNALING CAPABILITY SCDS261 – MARCH 2008 Figure 1. TS5A22364 Application Block Diagram The 50- Ω shunt switches on the TS5A22364 automatically discharge any capacitance at the NC or NO terminals when they are unconnected to COM. This reduces audible click-and-pop sounds that occur when switching between audio sources. Audible clicks and pops are caused when a step DC voltage is switched into the speaker. By automatically discharging the side that is not connected, any residual DC voltage is removed, thereby reducing the clicks and pops. Figure 2. TS5A22362 Application Block Diagram The TS5A22362 and TS5A22364 dual SPDT switches feature negative signal capability that allows signals below ground to pass through without distortion. These analog switches operate from a single +2.3-V to +5.5-V supply. The input/output signal swing of the device is dependant of the supply voltage V+: the devices pass signals as high as V+ and as low as V+ – 5.5 V, including signals below ground with minimal distortion. Table 1 shows the input/output signal swing the user can get with different supply voltages. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TS5A22362 TS5A22364 |
Nº de peça semelhante - TS5A22362 |
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Descrição semelhante - TS5A22362 |
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