CS4399
130-dB, 32-Bit High-Performance DAC
®
System Features
• Enhanced oversampling DAC architecture
— 32-bit resolution
— Up to 384-kHz sampling rate
— Low clock jitter sensitivity
— Auto mute detection
• Direct Stream Digital (DSD ) path
— Patented DSD processor
– On-chip 50-kHz filter to meet Scarlet Book Super
Audio Compact Disk (SACD) recommendations
– Matched PCM and DSD analog output levels
– Nondecimating volume control with 0.5-dB step size
and soft ramp
• Integrated high performance outputs
— 130-dB dynamic range (A-weighted)
— –108-dB total harmonic distortion + noise (THD+N)
— 110-dB interchannel isolation
• Headphone detection
– DSD and Pulse-code modulation (PCM) mixing for
alerts
— Dedicated DSD and DoP pin interface
• Serial audio input path
— Five selectable digital filter responses
– Low-latency mode minimizes pre-echo
– 110 dB of stopband attenuation
— Headphone plug-in detection
®
— Popguard technology eliminates pop noise
• Integrated PLL
— Supports sample rates from 32 to 384 kHz
2
— Support for 11.2896-/22.5792-, 12.288-/24.576-, 9.6-/
19.2-, 12-/24-, and 13-/26-MHz system MCLK rates
— I S, right-justified, left-justified, TDM, and
DSD-over-PCM (DoP) interface
— Reference clock sourced from XTI/MCLK pin
— System clock output
• Mono mode support
— Master or slave operation
— Volume control with 0.5-dB step size and soft ramp
— 44.1 kHz deemphasis and inverting feature
• 40-pin QFN or 42-ball CSP package option
2
• I C control—up to 1 MHz
Applications
• Smart phones, tablets, portable media players, laptops,
digital headphones, powered speakers, AVR, home
theater systems, Blu-ray/DVD/SACD players and pro
audio
Interface
Supply (VL) Supply (VD)
+1.8V +1.8V
Internal
Analog Supply
(VA,VCP)
+1.8V
TSO
Battery Supply
(VP)
FILT+ FILT-
FLYC_VCP
FLYP_VCP
FLYN_VCP
VCP_FILT+
VCP_FILT -
Interrupt
Sources
Internal
Voltage
Reference
INT
Digital LDOs
Charge Pump
Digital Core
FLYP_VA
FLYN_VA
-VA
VCP_FILT+
DAC and Filter
Interpolation
VA
PLL
CLKOUT
XTO
Filter and
Volume
Control
Multibit
Modulator
AOUTA
REFA
XTAL
OSC
-VA
VA
VCP_FILT -
VCP_FILT+
Interpolation
Filter and
Volume
XTI/MCLK
SCLK1
Multibit
Modulator
DAC and Filter
AOUTB
REFB
ASP
Control
LRCK1
-VA
VCP_FILT -
SDIN1
DSDCLK/SCLK2
DSDB/LRCLK2
DoP to
DSD
Engine
XSP/DSD
Audio
Interface
DSD
Processor
DSDA/SDIN2
Popguard®
Circuitry
HPDETECT
HP_DETECT
Register /Hardware
Configuration
Control Port Level Translator
SDA SCL
ADR
RESET
Copyright Cirrus Logic, Inc. 2015–2016
DS1113F1
DEC ‘16
(All Rights Reserved)
http://www.cirrus.com