CS4398 120-dB, 192-kHz Multibit DAC with Volume Control Features Advanced Multibit Delta-Sigma Architecture Direct Stream Digital (DSD) 120 dB Dynamic Range Dedicated DSD Input Pins -107 dB THD+N On-Chip 50 kHz Filter to Meet Scarlet Book SACD Recommendations Low Clock Jitter Sensitivity Matched PCM and DSD Analog Output Differential Analog Outputs Levels PCM input Non-Decimating Volume Control with 102 dB of Stopband Attenuation 1/2 dB Step Size and Soft Ramp Supports Sample Rates up to 192 kHz DSD Mute Detection Accepts up to 24 bit Audio Data Supports Phase-Modulated Inputs Supports All Industry Standard Audio Optional Direct DSD Path to On-Chip Interface Formats Switched Capacitor Filter Selectable Digital Filter Response Control Output for External Muting Volume Control with 1/2 dB Step Size and Independent Left and Right Mute Controls Soft Ramp Supports Auto Detection of Mute Output Flexible Channel Routing and Mixing Polarity Selectable De-Emphasis Typical Applications Supports Stand-Alone or IC/SPI DVD Players Configuration Embedded Level Translators SACD Players 1.8 V to 5 V Serial Audio Input A/V Receivers 1.8 V to 5 V Control Data Input Professional Audio Products 3.3 V to 5 V 5 V 1.8 V to 5 V Switched Interpolation Register/Hardware Left 2 Multibit Hardware or I C/SPI Capacitor Filter with Configuration Differential Control Data DAC and Modulator Output Volume Control Filter 1.8 V to 5V Switched Interpolation Right Multibit Capacitor PCM Filter with Differential DAC and Modulator PCM Input Serial Output Volume Control Filter Interface External Left and Right Mute DSD Processor Mute Controls DSD Control -Volume control DSD Input Interface -50kHz filter Internal Voltage Reference Direct DSD DS568F3 Copyright 20052021 Cirrus Logic, Inc. and Cirrus Logic MAY 2021 CS4398 Stand-Alone Mode Features Direct Stream Digital Mode Selectable Oversampling Modes Selectable Auto or Manual Mute Polarity 32 kHz to 54 kHz Sampling Rates Selectable Interpolation Filters 50 kHz to 108 kHz Sampling Rates Selectable 32, 44.1, and 48 kHz De-Emphasis 100 kHz to 216 kHz Sampling Rates Configurable ATAPI Mixing Functions Selectable Serial Audio Interface Formats Left-Justified, up to 24 bit Configurable Volume and Muting Controls IS, up to 24 bit Right-Justified 16 bit Description Right-Justified 24 bit The CS4398 is a complete stereo 24 bit/192 kHz digital- Auto Mute Output Polarity Detect to-analog system. This D/A system includes digital de- Auto Mute on Static PCM Samples emphasis, half dB step size volume control, ATAPI channel mixing, selectable fast and slow digital interpo- 44.1 kHz 50/15 s De-Emphasis Available lation filters followed by an oversampled multi-bit delta- Soft Volume Ramp-up after Reset is Released sigma modulator that includes mismatch shaping tech- nology that eliminates distortion due to capacitor mismatch. Following this stage is a multi-element Control Port Mode Features switched capacitor stage and low pass filter with differ- Selectable Oversampling Modes ential analog outputs. 32 kHz to 54 kHz Sampling Rates The CS4398 also has a proprietary DSD processor that 50 kHz to 108 kHz Sampling Rates allows for volume control and 50 kHz on-chip filtering 100 kHz to 216 kHz Sampling Rates without an intermediate decimation stage. It also offers an optional path for direct DSD conversion by directly Selectable Serial Audio Interface Formats using the multi-element switched capacitor array. Left-Justified, up to 24 bit The CS4398 accepts PCM data at sample rates from IS, up to 24 bit 32 kHz to 216 kHz, DSD audio data, has selectable dig- Right-Justified 16 bit ital filters, consumes little power, and delivers excellent Right-Justified 18 bit sound quality. Right-Justified 20 bit Right-Justified 24 bit ORDERING INFORMATION Product Description Package Pb-Free Grade Temp Range Container Order 120 dB, 192 kHz Multi- Rail CS4398-CZZ 28-pin CS4398 Bit DAC with Volume YES Commercial -10 to +70 C TSSOP Tape & Reel CS4398-CZZR Control CDB4398 CS4398 Evaluation Board - - - - CDB4398 2 Copyright 20052021 Cirrus Logic, Inc. and Cirrus Logic International Semiconductor Ltd. DS568F3