M2Tech - E-Joplin - 384/32 Analog to Digital Converter

M2Tech - E-Joplin - 384/32 Analog to Digital Converter

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Joplin is a high performance A/D converter capable of handing up to 384kHz sampling rates and 32 bits resolution (USB output). It features a high speed asynchronous USB input based on the hiFace Two technology, further developped to allow for higher sampling rates. A comprehensive output set (S/PDIF on RCA, AES/EBU on XLR and optical on Toslink) provide great connection versatility. Also, an auxiliary S/PDIF digital input on RCA allows for re-using the digital connection used for the Joplin for a digital source, as well as for redirecting the output from a digital source to a computer which is not provided with an S/PDIF input. Despite its price, Joplin encopasses a leading edge technology for data handling and processing. An FPGA is used to provide a seamless connection between the ADC IC and the USB port (both operating in master mode for low jitter reasons), as well as for a large number of important clock and data routing tasks, not to mention the VU-meter drive. The analog stage is based on the best PGA (Programmable Gain Amplifier) available on the market, and allows for gain as high as 65dB (equivalment to 0.95mVrms for 0dBFS). A comprehensive set of equalization curves can be selected, to accommodate all phono formats ever used from 1925 to the present day, plus eq curves for reel-to-reel tapes with straight output from the playback head. The small size and stylish look of the Joplin allow for a uninvasive placement in every living space.

Feature About M2Tech - E-Joplin - 384/32 Analog to Digital Converter :

• Resolution: 16, 20, 24 bit (S/PDIF, AES/EBU, optical, with or without dither), 16, 20, 24, 32 bit (USB, with or without noise shaping) ; Frequency response: 10-20kHz +0.1/-0.5dB (fs = 44.1kHz), 10-150kHz +0.1/-0.1dB (fs=384kHz) ; SNR: 122dB (A weighted, 384kHz, 32 bits, gain 0dB), 114dB (A weighted, 192kHz, 24 bits with noise shaping, gain 0dB), 100dB (A weighted, 192kHz, 24 bits with noise shaping, gain 40dB)
• Inputs: analog single ended on RCA female, S/PDIF on RCA female ; Oututs: 1x S/PDIF (RCA female), 1x AES/EBU (XLR), 1x optical (Toslink), 1x USB (USB female Type B) ;
• Input voltage: 1.7Vrms (4.8Vpp @ 0dBFS) ; Supply voltage: 15VDC ; Supply current: 290mA
• Sampling Frequencies(kHz):44.1, 48, 88.2, 96, 176.4, 192, 352.8*, 384* *only USB
• THD+N: 0.00045% (1.7Vrms in, 192kHz, 24 bits, gain 0dB) ; Gain: 0dB, 10dB to 65dB in 1dB steps ; Cross-talk: -110dB @1kHz

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