Confidential Draft CS4361 9/30/11 20-Pin, 24-Bit, 192 kHz, 6-Channel D/A Converter Features Description Multi-Bit Delta-Sigma Modulator The CS4361 is a complete 6-channel digital-to-analog output system including interpolation, multi-bit D/A con- 24-Bit Conversion version, and output analog filtering in a small 20-pin package. The CS4361 supports all major audio data in- Automatically Detects Sample Rates Up To terface formats. 192 kHz The CS4361 is based on a fourth-order, multi-bit, delta- sigma modulator with a linear analog low-pass filter. 103 dB Dynamic Range This device also includes auto-speed mode detection using both sample rate and master clock ratio as a -94 dB THD+N method of auto-selecting sampling rates between 2 kHz and 216 kHz. Low Clock-Jitter Sensitivity The CS4361 contains on-chip digital de-emphasis, op- +5 V Core Power erates from a single +5 V power supply with separate built-in level shifter for the digital interface, and requires +1.8 V to +5 V Interface Power minimal support circuitry. These features are ideal for DVD players and recorders, digital televisions, home Filtered Line-Level Outputs theater and set-top box products, and automotive audio systems. On-Chip Digital De-emphasis The CS4361 is available in a 20-pin TSSOP Commer- Popguard Technology cial grade package (-40 to 85 C). The CDB4361 is also available for device evaluation and implementation sug- Mute Output Control gestions. Please refer to Ordering Information on page 23 for complete ordering information. Small 20-pin TSSOP Package Serial Audio Port & Control Analog & Digital Core Supply (1.8 V to 5 V) Supply (5 V) Internal Voltage Digital Reference De-emphasis Mode Control Switch-Cap Auto-Speed Single-Ended Digital Multi-bit Detecting PCM DAC and Outputs PCM Serial 6 Filters Modulators 6 Serial Interface Analog Filters (Six Channels Audio Input External Mute +5 Volt-tolerant Reset Mute Control Control Copyright Cirrus Logic, Inc. 2011 SEPT 11 (All Rights Reserved) Confidential Draft 9/30/11 CS4361 TABLE OF CONTENTS 1. PIN DESCRIPTIONS .............................................................................................................................. 4 2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 5 RECOMMENDED OPERATING CONDITIONS .................................................................................... 5 ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 5 DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CZZ) .............................................................6 COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ........................................ 7 DIGITAL INPUT CHARACTERISTICS ..................................................................................................8 POWER & THERMAL CHARACTERISTICS ......................................................................................... 8 SWITCHING CHARACTERISTICS - SERIAL AUDIO INTERFACE ...................................................... 9 3. TYPICAL CONNECTION DIAGRAM ................................................................................................... 11 4. APPLICATIONS ................................................................................................................................... 12 4.1 Master Clock .................................................................................................................................. 12 4.2 Serial Clock .................................................................................................................................... 12 4.2.1 External Serial Clock Mode ................................................................................................... 12 4.2.2 Internal Serial Clock Mode .................................................................................................... 12 4.3 De-Emphasis ................................................................................................................................. 14 4.4 Mode Select ................................................................................................................................... 14 4.5 Initialization and Power-Down ........................................................................................................ 15 4.6 Output Transient Control ................................................................................................................ 16 4.6.1 Power-Up .............................................................................................................................. 16 4.6.2 Power-Down .......................................................................................................................... 16 4.7 Grounding and Power Supply Decoupling ..................................................................................... 16 4.8 Analog Output and Filtering ........................................................................................................... 16 4.9 Mute Control .................................................................................................................................. 17 5. PERFORMANCE PLOTS ..................................................................................................................... 18 6. PARAMETER DEFINITIONS ................................................................................................................ 21 7. PACKAGE INFORMATION .................................................................................................................. 22 8. ORDERING INFORMATION ................................................................................................................ 23 9. REVISION HISTORY ............................................................................................................................ 24 2