Four/Six Channel, 108 dB TDM Codec
The CS42432 is a highly integrated audio codec featuring advanced multichannel surround sound performance for entry- and mid-level audio products. This IC includes four single-ended or differential inputs and six single-ended or differential outputs. An auxiliary serial input is available for an additional two channels of PCM (pulse code modulation) data. This IC features six D/A converters that support sample rates up to 192 kHz and provide a dynamic range of up to 108 dB. Each DAC channel provides digital volume control and can operate with differential or single-ended outputs. The four A/D converters also support sample rates up to 192 kHz and provide a dynamic range of up to 105 dB. Digital volume control is provided for each A/D converter, with selectable overflow detection. All of the on-chip converters utilize multi-bit Delta-Sigma modulators to lower out-of-band noise and improve performance. Also included are separate control port and serial port supplies for a glueless interface to DSPs.
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Technologies
Features
- Four 24-bit A/D converters and six 24-bit D/A converters
- System sampling rates up to 192 kHz
- A/D converter dynamic range
- 105 dB differential
- 102 dB single-ended
- D/A converter dynamic range
- 108 dB differential
- 105 dB single-ended
- THD+N (A/D and D/A converters)
- -98 dB differential
- -95 dB single-ended
- A/D input mux – single-ended mode
- Programmable A/D converter high-pass filter for DC offset calibration
- Compatible with industry-standard TDM serial interface
- Auxiliary input source for additional external A/D or S/PDIF receiver
- Logarithmic digital volume control
- I²C/SPI host control port
- Support for logic levels between 1.8 V and 5 V
- 3.3 V or 5 V analog power supply
- 3.3 V digital supply
- Package: 52-pin MQFP; lead-free assembly
- Consumer and automotive D-grade availability
Parametric Specifications
Discontinued Product |
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