{"product_id":"geediy-ad1955-dac-board-audio-decoder-board-i2s-dsd-input-24bit-192k-dsd64-dsd128-upgraded-version","title":"GeeDiy AD1955 DAC Board Audio Decoder Board I2S\/DSD Input 24Bit 192K DSD64 DSD128 (Upgraded Version)","description":"\u003cb\u003eGeeDiy AD1955 DAC Board Audio Decoder Board I2S\/DSD Input 24Bit 192K DSD64 DSD128 (Upgraded Version)\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003eThe AD1955 DAC decoder supports I2S and DSD \r\ninputs. PCM mode supports 24bit 192K; it supports I2S, left-aligned, and\r\n right-aligned formats! DSD mode supports DSD64 and DSD128.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eOptional Version:\u003c\/b\u003e\u003cbr\u003e- Standard Version: op amps NJM2068D*2 + NJM4556AD*1 \u003cbr\u003e- Upgraded Version: op amps LME49720NA*2 + LM4562NA*1\u003cbr\u003e\u003cbr\u003eThe board controls the AD1955 chip via microcontroller software. The board configuration is done through the K-port.\u003cbr\u003e\u003cbr\u003e\u003cimg style=\"width: 800.167px; height: 800.167px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/78633\/78633-00.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSet sample rate via K1 and K2:\u003cbr\u003e\u003c\/b\u003e\u003cimg style=\"width: 480px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/78633\/78633-01.jpg\"\u003e\u003cb\u003e\u003cbr\u003e\u003cbr\u003eSet data format via K3 and K4:\u003c\/b\u003e\u003cbr\u003e\u003cimg style=\"width: 480px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/78633\/78633-02.jpg\"\u003e\u003cbr\u003e\u003cb\u003e\u003cbr\u003eSet the number of bits via K5:\u003c\/b\u003e\u003cbr\u003eShort-circuit K5 to set PCM to 16bit, and disconnecting K5 to set the PCM to 24bit\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSet the MCLK mode via K6:\u003c\/b\u003e\u003cbr\u003eShort-circuit K6 to set MCLK to 256Fs, and disconnecting K6 to set MCLK to 512Fs\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSet the DSD sample rate via K7:\u003c\/b\u003e\u003cbr\u003eSet\r\n the DSD sample rate to DSD64 by short-circuiting K7; Disconnect K7 to \r\nset the DSD sample rate to DSD128 (DSD128 mode may be unstable in some \r\ncases)\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSet PCM and DSD mode via K8:\u003c\/b\u003e\u003cbr\u003eThe DSDON signal of\r\n the K8 and the I2S interface are controlled to switch PCM\/DSD mode. \r\nSince the K8 and DSDON signals are connected to the same pin of the MCU,\r\n please disconnect the DSDON (the DSDON pin is suspended) when using the\r\n K8 control mode; disconnect K8 when using DSDON control mode. When \r\nusing K8, short-circuiting K8 is in PCM mode and disconnecting K8 is DSD\r\n mode. When using DSDON, the DSDON inputs low level and it is in PCM \r\nmode, and when DSDON inputs high level, it is in DSD mode!\u003cbr\u003e\u003cbr\u003e\u003cb\u003eDefinition of I2S Interface:\u003c\/b\u003e\u003cbr\u003e1 DSDON ; 2 GND ; 3 DATA ; 4 BCK; 5 MCLK ; 6 LRCK\u003cbr\u003e\u003cbr\u003e\u003cb\u003eElectrical Characteristics:\u003c\/b\u003e\u003cbr\u003e- PCB size: 9.99 x 8.64cm\/3.9 x 3.4\"\u003cbr\u003e- Screw hole center distance: 9.349 x 7.995cm\/3.7 x 3.1\" (LxW)\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSupply Voltage:\u003c\/b\u003e\u003cbr\u003e-\r\n The analog circuit part supports DC±15V input (please note that \r\nmis-connection to AC or wrong line sequence can cause permanent damage \r\nto the circuit). The power supply part of the DAC chip supports \r\nAC\/DC7.5-10V!\u003cbr\u003e- Since some of the analog power supplies of this board\r\n are dual DC inputs, a rectified filtered regulated power supply is \r\nrequired!\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x Decoder Board","brand":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products, Audio Amplifer and Decoders","offers":[{"title":"Default Title","offer_id":41028222713905,"sku":"78634","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1679015255-8.jpg?v=1780300494","url":"https:\/\/www.thanksbuyer.com\/de\/products\/geediy-ad1955-dac-board-audio-decoder-board-i2s-dsd-input-24bit-192k-dsd64-dsd128-upgraded-version","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}