CS8420-DSZ Cirrus Logic Inc, CS8420-DSZ Datasheet - Page 27

• Manufacturer Part Number: CS8420-DSZ
• Description: IC CONV S/R DGTL AUDIO 28-SOIC
• Manufacturer: Cirrus Logic Inc
• Type: Sample Rate Converterr

Specifications of CS8420-DSZ

• Applications: Digital Audio
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC
• Audio Control Type: Sample Rate Converter
• Control Interface: 3 Wire, Serial
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: -40°C To +85°C
• Audio Ic Case Style: SOIC
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1729

DS245F4
Incoming
AES3
SRC Ain
SRC Bin
Ain & Bin
SRC
96kHz stereo
96kHz frame rate
96kHz mono
48kHz frame rate
*
A & B sub-frames data are time-multiplexed
into consecutive samples
RECEIVER TIMING
STEREO
MONO
A1
RECEIVER
STEREO MODE
RECEIVER
MONO MODE
Frame
AES3
Receiver
AES3
Receiver
Figure 21. Mono Mode Operation Compared to Normal Stereo Operation
B1
A1
PLL (x2)
PLL
B1
A2
A
B
A
B
A1
B1
*
B2
A2
A
B
256x96kHz
A
B
256x96kHz
B2
96kHz
Fsi
96kHz
Fsi
In
In
A2
B2
SRC
SRC
96kHz
Fso
96kHz
Fso
Out
Out
+
Outgoing
AES3
A selected
Outgoing
AES3
B selected
SRC Aout
SRC Bout
Consecutive samples are alternately routed
to A & B sub-fames
Outgoing
AES3
A
B
A
B
MMTLR
OMCK (256, 384, or 512x 96kHz)
TRANSMITTER
STEREO MODE
OMCK (256, 384, or 512x 96kHz)
+
TRANSMITTER
MONO MODE
STEREO
MONO
A
B
A
B
TRANSMITTER TIMING
A1
B1
AES3
Transmitter
AES3
Transmitter
A1
96kHz stereo
96kHz frame rate
96kHz mono
48kHz frame rate
Frame
A2
B2
A1
B1
B1
Frame
A2
CS8420
A2
B2
B2
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