AD1983 Datasheet | Analog Devices

FEATURES 2 DAC channels: 16-, 20-, or 24-bit 2 ADC channels: 16- or 20-bit HD audio sample rates 8 k Hz, 11.025 k Hz, 16 k Hz, 22.05 k Hz, 32 k Hz, 44.1 k Hz, 48 k Hz Greater than 90 d B dynamic range S/PDIF output: 32 k Hz, 44.1 k Hz, or 48 k Hz, 16- or 24-bit Digital BEEP generator Integrated headphone amplifiers Selectable microphone inputs with preamplifiers Stereo line level inputs Full analog mixer 2 GPIOs for external circuit control, jack sense 32-lead, Pb-free LFCSP_VQ (QFN) package ENHANCED FEATURES No AFILT pins, results in BOM savings Jack sensing autoconfiguration options Mute line output and monaural output (MONO_OUT) when headphones are used Mute MONO_OUT when a device is in the line out jack Selectable sense trip level: high/low supports all jack types Peripheral identification/enumeration Jack presence detection: HD Audio SENSE and GPIOs Microphone to MONO_OUT for speakerphone Advanced power management modes 2 software-controlled microphone bias pins Stereo microphone array capture Source from two different ports 0 d B, 10 d B, 20 d B, and 30 d B boost options FUNCTIONAL BLOCK DIAGRAM NID: 01 GPIO GPIO_0/JS_1 GPIO_1/JS_0 JACK SENSE SENSE_A SENSE_SRC NID: 02 16-, 20-, 24-BIT 32k Hz, 44.1k Hz, 48k Hz PCM/AC3 S/PDIF TX NID: 03 NID: 0A S/PDIF_OUT NID: 10 DIGITAL PCBEEP G M AVDD AVSS +5.0V 0d B TO - 45.0d B 3d B STEPS 24-BIT 48k Hz PCM Σ-Δ DAC SDATA_IN SDATA_OUT SYNC SELECTOR 2:1 NID: 06 Σ GA M HP OUTPUT_EN NID: 05 Σ GA M Z OUTPUT_EN PORT-D FRONT PORT-A HEADPHONE - 46.5d BTO +3d B BIT_CLK NID: 11 GA SELECTOR 2:1 RESET HD AUDIO INTERFACE - 34.5d B TO +12d B M - 46.5d BTO +3d B NID: 0B SELECTOR 4:1 NID: 07 Σ NID: 0F GA M MONO_OUT NID: 0E Σ - 46.5d BTO +3d B BIAS_SEL - 34.5d B TO +12d B M - 34.5d B TO +12d B M NID: 0D MIC BIAS NID: 09 Z BIAS_EN MIC_BIAS-C SELECTOR 2:1 GA NID: 13 +3.3V DVDD DVSS NID: 04 GA NID: 12 PORT-C LINE IN SELECTOR 4:1 SELECTOR 2:1 20-BIT 48k Hz PCM/FLOAT32 Σ-Δ...