User Manual

92 DS851F2
CS42L56
12.ORDERING INFORMATION
13.REFERENCES
1. Philips Semiconductor, The I²C-Bus Specification: Version 2.1, January 2000.
http://www.semiconductors.philips.com
14.REVISION HISTORY
Product Description Package Pb-Free Grade Temp Range Container Order #
CS42L56
Ultralow Power, Stereo
Codec with Class H Head-
phone Amp
40L-QFN YES Commercial -40°C to +85°C
Rail CS42L56-CNZ
Tape & Reel CS42L56-CNZR
CDB42L56 CS42L56 Evaluation Board - - - - - CDB42L56
Release Changes
F1 Final Release.
F2
Updated “ADC Digital Filter Characteristics” section on page 18.
Updated dither specified in Note 15 on page 20.
Updated “Combined DAC Interpolation & On-Chip Analog FIlter Response” section on page 22.
Updated Figure 14. “Stereo Pseudo-Differential Input” on page 33.
Updated the Class H section, “Adapt to Volume Mode (setting 00)” on page 40.
Updated Section 4.11 “Recommended DAC to HP or Line Power Sequence” on page 50.
Updated Section 4.12 “Recommended PGA to HP or Line Power Sequence (Analog Passthrough)” on page 52.
Updated the first paragraph in “Register Quick Reference” on page 56 and “Register Description” on page 58 to
allow data sheet-specified control-writes to reserved registers.
Removed I²C address heading row from “Register Quick Reference” on page 56.
Added Note 1 in “Freeze Registers” on page 64.
Corrected BEEP volume settings to reflect level relative to DAC’s full scale in “Beep Volume” on page 72
Updated “PGA x Preamplifier Gain” section on page 77.
Corrected the E2 scale in the package drawing in “Package Dimensions” on page 92.
Contacting Cirrus Logic Support
For all product questions and inquiries, contact a Cirrus Logic Sales Representative.
To find one nearest you, go to www.cirrus.com.
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