CS4272-DZZR Cirrus Logic Inc, CS4272-DZZR Datasheet - Page 25

• Manufacturer Part Number: CS4272-DZZR
• Description: Audio CODECs IC 24Bit 192kHz 114dB Str Codec
• Manufacturer: Cirrus Logic Inc

Specifications of CS4272-DZZR

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 192 KSPs
• Interface Type: Serial (I2S, SPI)
• Resolution: 24 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-28
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC, 2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.1.3.2
Depending on the use of an external crystal, or whether the CS4272 is in Master or Slave Mode, different
MCKL/LRCK and SCLK/LRCK ratios may be used. These ratios are shown in the Tables 3 and 4 below.
DS593F1
Clock Ratio Selection
Double Speed
Double Speed
Double Speed
Double Speed
Single Speed
Single Speed
Single Speed
Single Speed
Quad Speed
Quad Speed
Quad Speed
Quad Speed
Table 4. Clock Ratios - Stand Alone Mode Without External Crystal
Table 3. Clock Ratios - Stand Alone Mode With External Crystal
External Crystal Not Used, MCLK=Input
External Crystal Used, MCLK=Output
MCLK/LRCK
MCLK/LRCK
MCLK/LRCK
MCLK/LRCK
256
128
128
256
128
128
256
128
256
384
512
128
192
256
128
64
64
96
Master Mode
Master Mode
Slave Mode
Slave Mode
32, 48, 64, 96, 128
SCLK/LRCK
SCLK/LRCK
SCLK/LRCK
SCLK/LRCK
32, 64, 128
32, 64, 128
32, 64, 128
32, 48, 64
32, 64
32, 64
32, 64
32, 64
32, 64
64
64
64
64
64
32
32
48
LRCK
LRCK
LRCK
LRCK
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
CS4272
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