Copyright
Cirrus Logic, Inc. 2010
(All Rights Reserved)
Evaluation Board for the CS4354
Features
Requires Only a Digital Signal Source and a
+5 V Power Supply for a Complete Digital-to-
Analog Converter System
Demonstrates Recommended Layout and
Grounding Arrangements
CS8416 Receives S/PDIF, & EIAJ-340-
Compatible Digital Audio
Header for External PCM Audio
Single-ended Stereo Analog Outputs
Power and S/PDIF Error Indicator LEDs
Hardware Controls: +5 V/3.3 V select for VL,
De-emphasis select
Current Sense Resistors for CS4354 Supplies
(VA and VL)
Description
The CDB4354 evaluation board is a dedicated platform
designed to facilitate the evaluation of the CS4354 24-
bit, stereo D/A converter. Evaluation requires an analog
signal analyzer, a digital signal source, and a +5 V pow-
er supply. Analog line-level outputs are provided via
RCA phono jacks.
The CS8416 digital audio receiver IC provides the sys-
tem timing necessary to operate the Digital-to-Analog
converter and will accept S/PDIF and EIAJ-340-com-
patible audio data. The evaluation board may also be
configured to accept external timing and data signals for
operation in a custom user application during system
development.
To accommodate various system configurations, sever-
al hardware controls and resistor population options are
provided. Current sense resistors allow for easy power
calculations during system development.
ORDERING INFORMATION
CDB4354
Evaluation Board
CS4354
CS8416
S/PDIF
Receiver
Serial
Audio
Clocks &
Data
Analog
Outputs
Clocks &
Data
Selection
(Headers)
Serial
Audio
Clocks &
Data
Direct External
Input
Optical S/PDIF
Input
AOUTA
Filter
AOUTB
Filter
Coaxial S/PDIF
Input
Indicator LEDs
+5V power
+3.3V power
VL power
S/PDIF Error
Power:
+5V Input, +3.3V Regulator
CS4354
De-emphasis
Select
CS8416
Manual
Reset
Hardware Controls
VL Select:
5V or 3.3V
JU
LY
'10
DS895DB1
CDB4354
