CS4265 Datasheet, PDF (1/53 Pages) Cirrus Logic – 105 dB, 24-Bit, 192 kHz Stereo Audio CODEC

CS4265
105 dB, 24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
z Multi-bit Delta Sigma modulator
z 105 dB Dynamic Range
z -95 dB THD+N
z Up to 192 kHz Sampling Rates
z Single-ended Analog Architecture
z Volume Control with Soft Ramp
– 0.5 dB Step Size
– Zero Crossing Click-free Transitions
z Popguard^TM Technology
– Minimizes the effects of output transients.
z Filtered Line-level Outputs
z Selectable Serial Audio Interface Formats
– Left Justified up to 24-bit
– I²S up to 24-bit
– Right Justified 16, 18, 20 and 24-bit
z Selectable 50/15 µs De-emphasis
A/D Features
z Multi-bit Delta Sigma Modulator
z 105 dB Dynamic Range
z -95 dB THD+N
z Stereo 2:1 Input Multiplexer
z Programmable Gain Amplifier (PGA)
– +/- 12 dB gain, 0.5 dB Step Size
– Zero Crossing, Click-free Transitions
z Pseudo-differential Stereo Line Inputs
z Stereo Microphone Inputs
– +32 dB Gain Stage
– Low-noise Bias Supply
z Up to 192 kHz Sampling Rates
z Selectable Serial Audio Interface Formats
– Left Justified up to 24-bit
– I²S up to 24-bit
z High-pass Filter or DC Offset Calibration
1 .8 V to 5 V
S e ria l
A u d io
In p u t
S e ria l
A u d io
O u tp u t
I²C C o n tro l
D a ta
R e se t
3 .3 V to 5 V
3.3 V to 5 V
V o lu m e
C o n tro l
V o lu m e
C o n tro l
In te rp o la tio n
F ilte r
In te rp o la tio n
F ilte r
M u ltib it
∆Σ M o d u la to r
M u ltib it
∆Σ M o d u la to r
S w itc h e d C a p a c ito r
D A C a n d F ilte r
S w itc h e d C a p a c ito r
D A C a n d F ilte r
M ute
C o n tro l
L e ft D A C O u tp u t
M u te C o n tro l
R ig h t D A C O u tp u t
IE C 6 0 9 5 8 -3 T ra n s m itte r
H ig h P a s s
F ilte r
L in e a r P h a s e
A n ti-A lia s F ilte r
H ig h P a s s
F ilte r
L in e a r P h a s e
A n ti-A lia s F ilte r
In te rn a l V o lta g e
R e fe re n c e
M ic B ia s
M u ltib it
O ve rs a m p lin g
ADC
M u ltib it
O v e rs a m p lin g
ADC
PGA
PGA
MUX
+32 dB
+32 dB
T ra n s m itte r O u tp u t
M ic ro p h o n e B ia s
M ic In p u t
1&2
S te re o
L in e In p u t
Advance Product Information
Cirrus Logic, Inc.
www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 2004
(All Rights Reserved)
NOV ‘04
DS657A2
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