(China (Mainland))
Product Summary
The CX20703-12Z is a Conexant’s Speakers-on-a-Chip (SPoC) solution with the proprietary on-chip Digital Signal Processor (DSP), Codec, Class-D/PWM (Pulse-Width Modulator) driver, and I2S and I2C interfaces in a cost-effective single-chip package. The CX20703-12Z features a suite of turnkey audio and voice enhancement algorithms designed for applications such as Mobile Internet Device, Multimedia IP Phone, Portable Navigation Device, Portable Media Player, and Intercom Systems. The applications of the CX20703-12Z include Mobile Internet Device, Multimedia IP phone, Portable Navigation Device, Portable Media Player, Intercom Systems.
Features
CX20703-12Z features: (1)24-bit DAC/ADC, SNR 102 dB, THD - 92 dB at 48 kHz 3.3 V; (2)Configurable on-chip proprietary DSP; (3)Subband acoustic echo suppression and cancellation; (4)Subband line echo cancellation; (5)Array mic beam-forming; (6)Noise reduction; (7)Dynamic loudness adaptor; (8)Mic auto gain control; (9)Digital parametric equalizer (10 bands/channel); (10)Dynamic range compression; (11)3D Expander (Phantom mode and Immersion mode); (12)4-wire and 5-wire digital audio I/O (I2S/PCM/SPDIF), supporting full duplex independent sampling rates; (13)One 3-wire I2C or 4-wire SPI slave interface for external MCU; (14)2.5 W x 2 BTL stereo Class-D speaker amplifier, also configurable as a PWM; (15)Flexible power management; (16)Audio sample rate: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz.
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