поискавой системы для электроныых деталей |
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ISL54405IRUZ-T датащи(PDF) 8 Page - Intersil Corporation |
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ISL54405IRUZ-T датащи(HTML) 8 Page - Intersil Corporation |
8 / 19 page 8 FN6699.1 June 5, 2008 Sound Card AC Coupled Application Block Diagrams Detailed Description The ISL54405 is a single supply, bi-directional, dual single pole/double throw (SPDT) ultra low distortion, high off-isolation analog switch. It was designed to operate from either a 3.3V or 5V single supply. When operated with a 3.3V or 5V single supply, the switches can accommodate ±2.83VPEAK (2VRMS) ground reference analog signals. The switch rON flatness across this range is extremely small resulting in excellent THD+N performance (0.0006% with 20k Ω load and 0.0014% with 32Ω load at 707mVRMS). The T-Type configuration of the switch cells prevents signals from getting through to the output when a switch is in the OFF-state providing for superior mute performance (>120dB) in audio applications. The ISL54405 has special circuitry to eliminate click and pops in the speakers during power-up and power-down of the audio CODEC drivers, during removal and insertion of headphones, and while switching between sources and loads. The ISL54405 was designed primarily for consumer and professional audio switching applications such as computer sound cards and home theater products. The “Application Block Diagrams” on this page show two typical sound card applications. In the upper block diagram the ISL54405 is being used to route a single stereo source to either the front or back panel line outs of the computer sound card. In the lower block diagram the ISL54405 is being used to multiplex two stereo sources to a single line out of the computer sound card. CODEC µCONTROLLER 0.1µF SOFT-START L R L1 LINE OUT OR HEAD-PHONE JACK FRONT PANEL LINE OUT OR HEAD-PHONE JACK BACK PANEL L2 R1 R2 3.3V FLOAT CAPACITOR LOGIC AUDIO LOGIC ISL54405 SEL MUTE L R L1 L2 R1 R2 CAP_SS VDD 5V_Supply GND AC/DC DIR_SEL CONTROL CODEC µCONTROLLER 0.1µF SOFT-START L R L1 LINE OUT OR HEAD-PHONE JACK FRONT PANEL L2 R1 R2 3.3V FLOAT CAPACITOR LOGIC AUDIO ISL54405 SEL MUTE L R L1 L2 R1 R2 CAP_SS VDD 5V_Supply GND AC/DC DIR_SEL CODEC AUDIO AND CLICK/POP LOGIC CONTROL AND CLICK/POP ISL54405 |
Аналогичный номер детали - ISL54405IRUZ-T |
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Аналогичное описание - ISL54405IRUZ-T |
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