CDB4344 Cirrus Logic Inc, CDB4344 Datasheet - Page 4

• Manufacturer Part Number: CDB4344
• Description: BOARD EVAL FOR CS4344 DAC
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r

Specifications of CDB4344

• 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: Analog and Digital
• Operating Temperature: -10°C ~ 85°C
• Utilized Ic / Part: CS4344
• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4344
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1006

4
1. PIN DESCRIPTIONS
Pin Name
DEM/SCLK
AOUTR
AOUTL
MCLK
LRCK
FILT+
SDIN
GND
VQ
VA
10 Right Channel Analog Output (Output) - The full scale analog output level is specified in the Analog
#
1
2
3
4
5
6
7
8
9
Serial Audio Data Input (Input) - Input for two’s complement serial audio data.
De-Emphasis/External Serial Clock Input (Input) - used for de-emphasis filter control or external serial
clock input.
Left Right Clock (Input) - Determines which channel, Left or Right, is currently active on the serial audio
data line.
Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
Quiescent Voltage (Output) - Filter connection for internal quiescent voltage.
Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling
circuits.
Left Channel Analog Output (Output) - The full scale analog output level is specified in the Analog Char-
acteristics specification table.
Ground (Input) - ground reference.
Analog Power (Input) - Positive power for the analog and digital sections.
Characteristics specification table.
DEM/SCLK
MCLK
LRCK
SDIN
VQ
1
2
3
4
5
Pin Description
10
9
8
7
6
AOUTR
VA
GND
AOUTL
FILT+
CS4344/5/6/8
DS613F1