AD1989B SoundMAX HD Audio CODEC AudioSmart™ Product Brief 10 DACs, 6 ADCs, and an S/PDIF I/O Product Overview The AD1989B audio CODEC provide superior HD audio, high quality, and performance. The AD1989B has ten 101dB DACs and six 92dB ADCs, three stereo headphone ports, C/LFE swapping, digital and analog PCBeep, two independent S/PDIF outputs, and an S/PDIF input. Jack re-tasking supports various configurations, including 7.1 on five jacks, 5.1 on three jacks, and front panel jack re-tasking. The AD1989B is available in a 48-lead, RoHS compliant lead frame chip scale package in both reels and trays. Applications • Embedded audio Key Features • • • • • • • • • • • • • Dedicated auxiliary pins – Stereo CD/auxiliary I/O port with GND sense – MONO_OUT pin for internal speaker with EAPD support Presence detection up to nine jacks Five adjustable microphone bias pins Digital and analog PCBeep Three digital GPIO pins Multiple EAPD pins for external circuit control 3.3V analog and digital supply voltages 1.5V and 3.3V HD audio link signaling Advanced power management modes Available in a 48-QFN package System Block Diagram Ten 192kHz, 101dB DACs – 7.1 surround sound, plus independent headphone – All independent sample rates: 8kHz through 192kHz – Selectable stereo mixer on outputs – 16-bit, 20-bit, and 24-bit resolution Six 192kHz, 92dB ADCs – Simultaneous record of up to three stereo channels – All independent sample rates: 8kHz through 192kHz – 16-bit, 20-bit, and 24-bit resolution S/PDIF output – Two independent transmitters—the second S/PDIF can support an external HDMI interface – Supports 44.1kHz through 192kHz sample rates – 16-bit, 20-bit, and 24-bit data, and PCM and AC3 formats – Digital PCM gain control S/PDIF input – Supports 44.1kHz through 192kHz sample rates – 16-bit, 20-bit, and 24-bit data; PCM, and AC3 formats – Digital PCM gain control – Auto-synchronizes to a source sample rate Conexant Confidential • • www.conexant.com • 018PBR00 HD Audio Interface S/PDIF Rx S/PDIF IN S/PDIF Tx S/PDIF OUT 2 (HDMI) S/PDIF Tx S/PDIF OUT 1 Digital and Analog PCBeep DAC4 Σ Port H DAC3 Σ Port F DAC2 Σ Port G DAC1 Σ DAC0 Σ MONO OUT Σ Port E Σ Port A GPIO and EAPD ADC2 ADC1 ADC0 Σ Port D Σ Port B Σ Port C AD1989B SoundMAX HD Audio CODEC | AudioSmart™ Product Brief Performance Characteristics Parameter Minimum Typical Maximum Unit Line-out Drive (10k Loads—DAC to Pin) THD+n Dynamic Range (–60dB in Reference to fS A-weighted) SNR - –86 101 101 - dB Headphone Drive (32 Loads—DAC to Pin) THD+n Dynamic Range (–60 dB in Reference to fS A-weighted) SNR –84 101 101 - dB Input Ports (Pin to ADC, Mic Boost = 0dB) THD+n Dynamic Range (–60 dB in Reference to fS A-weighted) SNR –80 92 92 - dB Electrical Specifications Parameter Minimum Typical Maximum Unit ADCs Resolution - 24 - Bits Gain Error (Full-scale Span Relative to Nominal Input Voltage) - - 10 % Inter-channel Gain Mismatch (Difference of Gain Errors) - 0.2 0.5 dB ADC Offset Error - - 5 mV ADC Crosstalk - - - - Line Inputs (Input L, Ground R, Read R and Input R, Ground L, Read L) –94 Line Inputs to Other –100 –80 dB dB - Bits DACs Resolution - 24 Gain Error (Full-scale Span Relative to Nominal Input Voltage) - - 10 % Inter-channel Gain Mismatch (Difference of Gain Errors) - - 0.5 dB DAC Crosstalk (Input L, Zero R, Measure R_OUT and Input R, Zero L, Measure L_OUT) - –104 dB Analog Mixer SNR Input to Output - 95 - dB Step Size: All Mixer Inputs - –1.5 - dB Input Gain/Attenuation Range: All Mixer Inputs –34.5 - 12 dB Ordering Information Ordering Part Number Part Number Description Package AD1989BJCPZ* AD1989B 0°C to 70°C SoundMAX HD Audio CODEC 48-Lead QFN, 7x7mm * = Lead-free (Pb-free) and RoHS compliant. www.conexant.com Headquarters: 1901 Main Street, Suite 300 Irvine, CA,92614 General Information: U.S. and Canada: 888-855-4562 | International: 1 + 949-483-3000 © 2014 Conexant Systems, Inc. All rights reserved. 018PBR00