TC4052B, TC4052BP double 4 to 1 analog switch circuit

Published:2011/5/4 9:32:00 Author:TaoXi | Keyword: double 4 to 1, analog switch | From:SeekIC

The TC4052B and TC4052BP is one kind of double 4 to 1 analog switch circuit which is produced by the TOSHIBA company, and they can be used in TV sound system, music center system and other systems as the multi-channel audio signal switcher. 1.TC4052B/BP circuit block diagram and pin functions The TC4052B and TC4052BP has the same block diagram, as shown in figure 1, they are in the 16-pin double row package, the pin functions and data is as shown in table 1. Figure 1. TC4052B/BP circuit block diagram and pin functions Table 1. The pin functions and data of the TC4052B 2. TC4052B/BP typical application circuit The typical application circuit of the TC4052BP is as shown in figure 2. It can be used in Changhong NC-3 Color TV's Kara OK circuit as the Kara OK mode switching typical application circuit. Figure 2. TC4052B/BP typical application circuit 3.Circuit process Add the signal R to pin ①, pin ②, pin (15) of the TC052BP, Signal L add to the pin-11, pin-12 and pin-4 of the TC052BP. Signal R outputs from pin-3 and signal L outputs from pin-13. Relationship between the TC4052BP signal and Kara OK mode is as shown in table 2.



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