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| 型号： | EVM-1702 |
| 英文描述： | EVM-1702 - EVALUATION MODULE |
| 中文描述： | 的EVM - 1702 -评估模块 |
| 文件页数： | 1/13页 |
| 文件大小： | 329K |
| 代理商： | EVM-1702 |
1
EVM-1702
EVALUATION MODULE
FEATURES
q PRECISION DAC BOARD WITH 20-BIT
RESOLUTION
q STANDARD DIGITAL AUDIO INTERFACE
(S/PDIF, EIAJ-1201) OPTICAL OR COAX
INPUT
q SAMPLING RATE: 32kHz to 48kHz
q COMPLETE ISOLATION FORDIGITAL/ANALOG
q HDCD DECODE FUNCTION
q 8X OVERSAMPLING DIGITAL FILTER
q 4 PCM1702 DACs PER CHANNEL
(connected in parallel)
q HIGH PERFORMANCE
THD+N: –90dB (16-bit)
–100dB (20-bit)
Dynamic Range: 98dB (16-bit, EIAJ)
112dB (20-bit, EIAJ)
S/N Ratio: 118dB (EIAJ)
q 2ND-ORDER POST LPF
q POWER SUPPLY
Digital: +5V
Analog:
±5V, ±8V, ±15V
q BOARD SIZE: 297mm X 210mm (A4)
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.
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111
Internet: http://www.burr-brown.com/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
1997 Burr-Brown Corporation
LI-489
Printed in U.S.A. August, 1997
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