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PDF CDB4344 Data sheet ( Hoja de datos )
| Número de pieza | CDB4344 | |
| Descripción | Evaluation Board | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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CDB4344
Evaluation Board for CS4344
Features
z Demonstrates recommended layout and
grounding arrangements
z CS8416 receives S/PDIF, & EIAJ-340
compatible digital audio
z Header for external PCM audio
z Requires only a digital signal source and
power supplies for a complete Digital-to-
Analog-Converter system
Description
The CDB4344 evaluation board is an excellent means
for quickly evaluating the CS4344 24-bit, 10 pin stereo
D/A converter. Evaluation requires an analog signal an-
alyzer, a digital signal source, and a power supply.
Analog line level outputs are provided via RCA phono
jacks.
The CS8416 digital audio receiver I.C. provides the sys-
tem timing necessary to operate the Digital-to-Analog
converter and will accept S/PDIF, and EIAJ-340-compat-
ible audio data. The evaluation board may also be
configured to accept external timing and data signals for
operation in a user application during system
development.
ORDERING INFORMATION
CDB4344
Evaluation Board
Inputs for Clocks
and Data
CS8416
Digital Audio
Interface
CS4344
Analog Outputs
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2004
(All Rights Reserved)
June ‘04
DS613DB2
1
1 page  
CDB4344
JUMPER /
SWITCH
J4
PURPOSE
Selects source of voltage
for the CS4344 VA supply
J7 Provides contact points to
measure current
S1 Resets CS8416
S2 Sets clock source
Sets MCLK ratio of CS8416
POSITION
VA
+3.3V
*+5V
-
left
right
FUNCTION SELECTED
Voltage source is the +3.3V to +5V binding post
Voltage source is a +3.3V regulator
Voltage source is +5V binding post
Measure voltage across these nodes and divide
result by 10 to get current in Amps
The CS8416 must be reset if switch S2 is
changed
Sets clock source for CS4344 (open=J9, *closed
= CS8416)
Selects 128x (open) or 256x (*closed)
MCLK/LRCK ratio output for CS8416
*Default Factory Settings.
Table 2. CDB4344 Jumper Settings
7. ERRATA
CDB4344 Revision B.0
Switch S2 is oriented incorrectly on some boards (if open is away from binding posts) and thus
the 0 and 1 labels above and below are incorrect. Using closed for 0 and open for 1, the table
next to the switch will be correct.
DS613DB2
5
5 Page 
CDB4344
DS613DB2
Figure 6. Silkscreen Top
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet CDB4344.PDF ] | |
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