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EVM-1702: Evaluation Module fo
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2010-06-26
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DESCRIPTION
EVM-1702 is an evaluation module based on Burr-
Brown’s superior 20-bit DAC, the PCM1702. The
system has excellent sound quality and high perfor-
mance achieved by combining ISO150 digital isola-
tors with high speed op amps OPA627 and OPA2604.
A parallel connection technique has been used where
the same left channel (right channel) digital data is
sent to four independent PCM1702’s whose analog
outputs are then combined to produce the left channel
(right channel) analog output for the system. As a
result, EVM-1702 has superior audio performance,
very low THD+N, wide dynamic range and high S/N
ratio.
The EVM-1702 is used in conjunction with a HDCD
decoder, provided by the Pacific Microsonic Corpora-
tion, to play HDCD encoded discs.
EVM-1702 has an optional 2nd PLL circuit (not in-
stalled) that can be used for applications with low jitter
requirements.
EVM-1702 is an evaluation module based on Burr-
Brown’s superior 20-bit DAC, the PCM1702. The
system has excellent sound quality and high perfor-
mance achieved by combining ISO150 digital isola-
tors with high speed op amps OPA627 and OPA2604.
A parallel connection technique has been used where
the same left channel (right channel) digital data is
sent to four independent PCM1702’s whose analog
outputs are then combined to produce the left channel
(right channel) analog output for the system. As a
result, EVM-1702 has superior audio performance,
very low THD+N, wide dynamic range and high S/N
ratio.
The EVM-1702 is used in conjunction with a HDCD
decoder, provided by the Pacific Microsonic Corpora-
tion, to play HDCD encoded discs.
EVM-1702 has an optional 2nd PLL circuit (not in-
stalled) that can be used for applications with low jitter
requirements.
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