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TSH511CF датащи(PDF) 5 Page - STMicroelectronics |
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TSH511CF датащи(HTML) 5 Page - STMicroelectronics |
5 / 18 page TSH511 5/18 INFRARED STEREO HEADPHONE APPLICATION The right side of the figure shows the block-diagram of an infrared stereo receiver using the TSH511. The sensitive LNA directly connected to the photodiode does not require an external pre-amplifier. After filter- ing, the amplified signals are limited and demodulated with quadrature demodulators. The two integrated audio buffers directly drive the stereo headphones. The audio power reaches 2x20mW in two 16 Ω loads. The built-in squelch function fades-out the audio when the incoming infrared signal is low. The standby in- puts SBY1 and SBY2 enable only one receiver for the mono applications. Audio buffer1 Audio buffer2 LNA LNA + ALC LNA + ALC TX2 TX1 VOX SBY buffer1 buffer2 RX2 RX1 Line inputs Right channel Left channel Vcc LED photodiode filter filter 2.3 MHz 2.8 MHz Vcc: 2.3 to 5.5V Current < 15 mA TSH512 TSH511 20 mW / 16 Ω 20 mW / 16 Ω Power supply: 2.3 to 5.5V Icc < 20 mA stereo IR stereo HiFi transmitter (Television) IR stereo HiFi receiver (Headphones) Hi Fi ste re o: 2.3 & 2.8 MH z c arr ier s Audio buffer1 Audio buffer2 LNA LNA + ALC LNA + ALC TX2 TX1 VOX SBY buffer1 buffer2 RX2 RX1 Line inputs Right channel Left channel Vcc LED photodiode filter filter 2.3 MHz 2.8 MHz Vcc: 2.3 to 5.5V Current < 15 mA TSH512 TSH511 20 mW / 16 Ω 20 mW / 16 Ω Power supply: 2.3 to 5.5V Icc < 20 mA stereo IR stereo HiFi transmitter (Television) IR stereo HiFi receiver (Headphones) Hi Fi ste re o: 2.3 & 2.8 MH z c arr ier s |
Аналогичный номер детали - TSH511CF |
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Аналогичное описание - TSH511CF |
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