Low Power Stereo Audio CODEC_80db

Overview

Innosilicon Codec is a low power, stereo CODEC solution which employs Sigma-Delta noise-shaping technique. The ADC, DAC and power amplifier are integrated to provide total solutions. With 24 bits resolution for DAC and 24 bits resolution for ADC, Innosilicon Codec is suitable for applications in automobile audio, multimedia and digital systems.

Key Features

24 bits DAC with 80dB SNR
Support line output
Low power: 2mA for mono playback
24 bits ADC with 80dB SNR
Support differential and single-ended microphone or line input
Low power: 2mA for mono recording
Automatic Level Control (ALC) for smooth audio recording
Small die size:

0.21mm2 for per DAC path
0.21mm2 for per ADC path
0.84mm2 for entire stereo application
Note: The area parameters are for reference only. Please refer to the final LEF file for the actual values.

Low power: less than 0.05mA for standby
Support Mono, Stereo channel performance
Programmable input and output analog gains
Digital interpolation and decimation filter integrated
Sampling rate of 8kHz/12kHz/16kHz/24kHz/32kHz/44.1KHz/48KHz
3.3V supply for analog and 1.1V supply for digital

Benefits

Low power consumption
Fully customizable
Small area
Simple integration process
Available options include:
FPGA integration support
Chip level integration

Deliverables

Databook and detailed physical implementation guides
Complete set of timing models
Library Exchange Format (LEF)
Encrypted Verilog Models
Layout vs. Schematic (LVS) report
GDSII database for foundry merge

Technical Specifications

Foundry, Node

SMIC 40nm, TSMC 22/12nm

SMIC

In Production: 40nm LL
Silicon Proven: 40nm LL

TSMC

In Production: 12nm , 22nm
Silicon Proven: 12nm , 22nm

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