Marantz SA8004/K1SG Service Manual page 67

(MAIN : U204)
CS4398
120 dB, 192 kHz Multi-Bit DAC with Volume Control
Features
Advanced Multi-bit Delta-Sigma Architecture
– 120 dB Dynamic Range
– -107 dB THD+N
– Low Clock Jitter Sensitivity
– Differential Analog Outputs
PCM input
– 102 dB of Stopband Attenuation
– Supports Sample Rates up to 192 kHz
– Accepts up to 24 bit Audio Data
– Supports All Industry Standard Audio
Interface Formats
– Selectable Digital Filter Response
– Volume Control with 1/2 dB Step Size and
Soft Ramp
– Flexible Channel Routing and Mixing
– Selectable De-Emphasis
Supports Stand-Alone or I²C/SPI
Configuration
Embedded Level Translators
– 1.8 V to 5 V Serial Audio Input
– 1.8 V to 5 V Control Data Input
1.8 V to 5 V
Register/Hardware
2
Hardware or I C/SPI
Control Data
1.8 V to 5V
PCM Input
DSD Input
Interpolation
Filter with
Configuration
Volume Control
Interpolation
PCM
Filter with
Serial
Volume Control
Interface
DSD Processor
DSD
-Volume control
Interface
-50kHz filter
Direct Stream Digital (DSD)
– Dedicated DSD Input Pins
– On-Chip 50 kHz Filter to Meet Scarlet Book
SACD Recommendations
– Matched PCM and DSD Analog Output
Levels
– Non-Decimating Volume Control with
1/2 dB Step Size and Soft Ramp
– DSD Mute Detection
– Supports Phase-Modulated Inputs
– Optional Direct DSD Path to On-Chip
Switched Capacitor Filter
Control Output for External Muting
– Independent Left and Right Mute Controls
– Supports Auto Detection of Mute Output
Polarity
Typical Applications
– DVD Players
– SACD Players
– A/V Receivers
– Professional Audio Products
3.3 V to 5 V
Multibit
Modulator
ΔΣ
Multibit
Modulator
ΔΣ
Direct DSD
67
5 V
Switched
Left
Capacitor
Differential
DAC and
Output
Filter
Switched
Right
Capacitor
Differential
DAC and
Output
Filter
External
Left and Right
Mute
Mute Controls
Control
Internal Voltage
Reference