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CS42448 Datasheet, PDF (68/70 Pages) Cirrus Logic – 108 dB, 192 kHz 6-in, 8-out CODEC
14 REVISION HISTORY
Revision
Date
A1
July 2004
A2
October 2004
PP1
January 2005
PP2
February 2005
Changes
Initial Release
Corrected I²C Address in section 4.7.2 on page 39.
Corrected Chip I.D. in section 6.2.1 on page 44.
Initial Preliminary Product (PP) Release subject to legal notice below.
Added pin numbers to “Typical Connection Diagram” on page 10.
Changed ADC TDM, Double-Speed Mode parameters. See Note 2 on page 11
and Note 18 on page 21.
Added ADC3 MUX Interchannel Isolation characteristic in section “Character-
istics and Specifications” beginning on page 11.
Changed SCLK Falling Edge to ADC_SDOUT Output Valid (tdpd) maximum
specification to 35 ns in section “Characteristics and Specifications” beginning
on page 11.
Changed ADC Passband Ripple maximum specifications for SSM, DSM &
QSM in section “Characteristics and Specifications” beginning on page 11.
Changed DAC Frequency Response specifications for SSM, DSM & QSM in
section “Characteristics and Specifications” beginning on page 11.
Changed ADC Quad-Speed Mode parameters. See Note 19 on page 21.
Added section “De-Emphasis Filter” on page 31.
Added SCLK/LRCK & MCLK/LRCK ratio parameters in Tables 5 - 8 on page
33.
Corrected section “TDM” on page 35.
Changed AIN1-6 Volume Control range from (+12 dB to -115.5 dB) to (+24 dB
to -64 dB) in register “AINx Volume Control (AINx_VOL[7:0])” on page 53.
Removed the “Error Mode (MODE[1:0])” control bits from register “Status Con-
trol (address 18h)” on page 54. See “Interrupt Pin Control (INT[1:0])” on
page 54, “ADC CLOCK ERROR (ADC_CLK Error)” on page 54 and “ADC
Overflow (ADCX_OVFL)” on page 55 for the Active Mode setting.
Corrected Figures 27-29.
Added section “Ordering Information” on page 67.
Table 16. Revision History
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DS648PP2