CDB4349 Cirrus Logic Inc, CDB4349 Datasheet - Page 6

• Manufacturer Part Number: CDB4349
• Description: BOARD EVAL FOR CS4349
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r

Specifications of CDB4349

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Single Ended
• Sampling Rate (per Second): 192k
• Data Interface: Serial
• Dac Type: Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS4349
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

6
9. BOARD CONNECTIONS AND SETTINGS
Board connections and settings are shown in
*Default Factory Settings.
*Default Factory Settings.
Note:
JUMPER
J3, J4, J7
SWITCH
(Note 1)
1. Switch settings take effect in Stand-Alone Mode only.
J38
J27
S2
S1
S4
PCM INPUT - J10
S/PDIF IN - OPT1
POUTA, POUTB
CONNECTOR
S/PDIF IN - J1
+12V
GND
-12V
Selects source of control data
Resets CS8416 and CS4349
CS4349 De-emphasis Select
CS4349 Popguard
Selects Supply Voltage for
Selects PCM source for
C2 micro programming
CS8416 Format Select
CS4349 Format Select
PURPOSE
PURPOSE
SFSEL[1:0]
CS4349
CS4349
DIF[2:0]
INPUT/OUTPUT
®
Enable
Output
Input
Input
Input
Input
Input
Input
Table 2. CDB4349 Jumper Settings
Table 3. CDB4349 Switch Settings
Table 1. System Connections
shunts removed
*PC CONTROL
POSITION
POSITION
Table
*+3.3V
1, 2, 3
Ground connection from power supply
+12 V positive supply for the on-board filtering
-12 V negative supply for the on-board filtering
Digital audio interface input via coax
Digital audio interface input via optical
Input for master, serial, left/right clocks and serial data
RCA line level analog outputs from passive output stage
+5V
1, 2
4
5
6
-
1,
Table
Default: SFSEL[1:0] = 00 (Closed). See CS8416 datasheet
2, and
Default: DIF[2:0] = 000 (Closed). See CS4349 datasheet
External control input using center and right columns
The CS8416 must be reset if switch S1 is changed
*Supplies +3.3 V to associated CS4349 supply
*Control from PC and on-board microcontroller
Supplies +5.0 V to associated CS4349 supply
Table
SIGNAL PRESENT
*closed = De-emphasis disabled.
Reserved for factory use only
open = De-emphasis enabled
*closed = Popguard disabled.
3.
FUNCTION SELECTED
FUNCTION SELECTED
closed = PCM Header J10
open = Popguard enabled
*open = CS8416
for details.
for details.
CDB4349
DS782DB1