CS8422-CNZ Cirrus Logic Inc, CS8422-CNZ Datasheet - Page 28

• Manufacturer Part Number: CS8422-CNZ
• Description: IC SAMPLE RATE CONVERTER 32QFN
• Manufacturer: Cirrus Logic Inc
• Type: Sample Rate Converterr

Specifications of CS8422-CNZ

• Package / Case: 32-QFN
• Applications: Digital Audio
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Mounting Style: SMD/SMT
• Package: 32QFN
• Operating Temperature: -55 to 125 °C
• Audio Control Type: Sample Rate Converter
• Control Interface: I2C, SPI
• Supply Voltage Range: 1.71V To 5.25V
• Operating Temperature Range: -40°C To +85°C
• Audio Ic Case Style: QFN
• No. Of Pins: 32
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1568 - BOARD EVAL FOR CS8422 RCVR
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1732

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SDOUT/
TDM_IN
OLRCK
OSCLK
SDOUT/
TDM_IN
OLRCK
OSCLK
OLRCK OSCLK SDOUT
OLRCK
PCM Source 1
PCM Source 1
Figure 16. TDM Mode Configuration (First CS8422 output is master, all others are slave)
OSCLK
MSB
MSB
MSB
MSB
SDOUT
SDOUT 4, ch A
SDOUT 4, ch A
32 OSCLKs
32 OSCLKs
TDM_IN
ILRCK
ISCLK
SDIN
TDM_IN
ILRCK
ISCLK
SDIN
CS8422
CS8422
Data
Data
Figure 15. TDM Mode Configuration (All CS8422 outputs are slave)
Master
Slave
OLRCK
OSCLK
SDOUT
SDOUT
OLRCK
OSCLK
1
MSB
1
MSB
SDOUT 4, ch B
SDOUT 4, ch B
32 OSCLKs
OLRCK
32 OSCLKs
OLRCK OSCLK SDOUT
LSB
LSB
PCM Source 2
PCM Source 2
OSCLK
Figure 13. TDM Master Mode Timing Diagram
Figure 14. TDM Slave Mode Timing Diagram
SDOUT
MSB
MSB
TDM_IN
ILRCK
ISCLK
SDIN
TDM_IN
ILRCK
ISCLK
SDIN
SDOUT 3, ch A
CS8422
SDOUT 3, ch A
32 OSCLKs
32 OSCLKs
CS8422
Slave
Slave
SDOUT
OLRCK
OSCLK
SDOUT
2
OLRCK
OSCLK
2
OLRCK
OLRCK OSCLK SDOUT
PCM Source 3
MSB
PCM Source 3
MSB
OSCLK
SDOUT 3, ch B
SDOUT 3, ch B
32 OSCLKs
32 OSCLKs
SDOUT
TDM_IN
ILRCK
ISCLK
SDIN
TDM_IN
ILRCK
ISCLK
SDIN
CS8422
CS8422
MSB
MSB
Slave
Slave
SDOUT 2, ch A
SDOUT 2, ch A
32 OSCLKs
32 OSCLKs
OLRCK
SDOUT
OSCLK
3
OLRCK
SDOUT
OSCLK
3
OLRCK
PCM Source 4
OLRCK OSCLK SDOUT
PCM Source 4
OSCLK
MSB
MSB
SDOUT
SDOUT 2, ch B
SDOUT 2, ch B
32 OSCLKs
32 OSCLKs
TDM_IN
ILRCK
ISCLK
SDIN
TDM_IN
ILRCK
ISCLK
SDIN
CS8422
CS8422
Slave
Slave
OLRCK
OSCLK
SDOUT
4
MSB
MSB
OLRCK
SDOUT
OSCLK
4
SDOUT 1, ch A
SDOUT 1, ch A
32 OSCLKs
32 OSCLKs
MSB
MSB
LRCK
SCLK
SDIN
LRCK
SCLK
SDIN
CS8422
Master
DSP
DSP
SDOUT 1, ch B
Slave
SDOUT 1, ch B
32 OSCLKs
32 OSCLKs
DS692F1