®
DEM-DAI1604
EVALUATION FIXTURE
● REQUIRES THREE POWER SUPPLIES:
FEATURES
+5V, +15V, AND –15V
● COMPLETE EVALUATION PLATFORM FOR
THE PCM1604 SIX-CHANNEL AUDIO D/A
CONVERTER
● ON-BOARD REGULATOR GENERATES
+3.3V FROM THE +5V SUPPLY
● SUPPORTS AN OPTIONAL EXTERNAL
● DIGITAL AUDIO INTERFACE SUPPORTS
S/PDIF INPUTS UP TO 96kHz FROM COM-
MERCIAL AUDIO EQUIPMENT AND AUDIO
MEASUREMENT SYSTEMS (Both RCA and
Optical Input Connectors Provided)
+3.3V SUPPLY
DESCRIPTION
The DEM-DAI1604 demonstration board provides an
ideal platform for evaluating the performance and
operation of the PCM1604 six-channel audio digital-
to-analog converter. Demonstration software is in-
cluded for controlling the PCM1604’s programmable
functions. The D/A converter outputs are filtered and
passed on to RCA jacks for connection to audio
measurement equipment and commercial audio gear.
A digital audio receiver allows connection to S/PDIF
data streams, while an on-board connector provides an
interface to audio Digital Signal Processors (DSP) and
decoders.
● DUAL IN-LINE HEADER SUPPORTS CON-
NECTION TO AN EXTERNAL AUDIO DSP
OR DECODER
● 2ND-ORDER LOW-PASS ACTIVE FILTERS
FOR EACH DAC OUTPUT
● INCLUDES DEMONSTRATION SOFTWARE
FOR WRITING AND READING PCM1604
CONTROL REGISTERS (Requires a PC with
Microsoft Windows® 3.1, 95, or 98)
● CENTRONICS CONNECTOR PROVIDED
FOR CONNECTION TO A PC PRINTER PORT
(Required for Demonstration Software)
BLOCK DIAGRAM
ML MC MDI RST MDO
GND +3.3V
GND +5V –15V GND +15V
3.3V
+5V
REG.
SW5
V
OUT1
2nd-Order LPF
Opt
JUMPER
SYSCLK
OPA2134
VOUT2
L/R ch
SCKO
Digital
PCM1604
Daughter
Card
BCLK
LRCK
DIN1
DIN2
DIN3
Audio
Receiver
and
VOUT
3
L/R ch
L/R ch
2nd-Order LPF
OPA2134
Coax
Logic
V
OUT4
OUT5
V
2nd-Order LPF
OPA2134
VOUT6
SW1 - SW3
Format Control
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/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
®
© 2000 Burr-Brown Corporation
LI-554
1
Printed in U.S.A. April, 2000
DEM-DAI1604
SBAU012