English
New Qualified 12-bit Linear Half Duplex Voice Codec from Chipidea Microelectronics SA
Update: MIPS Technologies Acquires Chipidea (August 27, 2007)
conversion, channel filtering, microphone and speaker interfacing. It was designed in 0.18um CMOS and retargetable towards any sub - micron CMOS technology with 2.5V/3V/5V supply.This cell is very compact (0.42mm2 active area) and very low power (0.9mA typical consumption) by sharing most blocks between ADC and DAC channels. Still, the dynamic performance is high enough for most voice record/playback systems (over 70dB Dynamic Range and over 75dB THD).
The channel filters are implemented digitally, embedded in the decimation and interpolation filters associated with the converters. The receive channel volume control has a range from 0 to 42dB with 6 dB steps. The differential speaker amplifier can drive an external load of 8 Ohm with 70mW (equivalent to LM4882). The microphone amplifier has a sensitivity range from 530mVrms to 4.2 mVrms. The data port is 12 bits parallel at 8kHz word sample rate. A power-down mode is included with less than 1uA of standby current.
|
||||||
Related News
- ChipIdea announces the silicon validation of CI3261Ba, a dual 12-bit 50MS/s pipeline ADC
- New 16-Bit 65dB Dynamic Range Standard Voice Codec with DTMF from ChipIdea
- Chipidea Microelectronics SA has again successfully qualified a Dual mode UMTs/GSM Baseband AFE-CI7185oa
- Ittiam Systems announces availability of its third generation H.265/HEVC codec with 422 12-bit support
- ChipIdea Microelectronics SA ranked as 115th on 2003 Europe’s 500 Listing of fast growing, job creating companies
Breaking News
- Ubitium Debuts First Universal RISC-V Processor to Enable AI at No Additional Cost, as It Raises $3.7M
- TSMC drives A16, 3D process technology
- Frontgrade Gaisler Unveils GR716B, a New Standard in Space-Grade Microcontrollers
- Blueshift Memory launches BlueFive processor, accelerating computation by up to 50 times and saving up to 65% energy
- Eliyan Ports Industry's Highest Performing PHY to Samsung Foundry SF4X Process Node, Achieving up to 40 Gbps Bandwidth at Unprecedented Power Levels with UCIe-Compliant Chiplet Interconnect Technology
Most Popular
- Cadence Unveils Arm-Based System Chiplet
- CXL Fabless Startup Panmnesia Secures Over $60M in Series A Funding, Aiming to Lead the CXL Switch Silicon Chip and CXL IP
- Esperanto Technologies and NEC Cooperate on Initiative to Advance Next Generation RISC-V Chips and Software Solutions for HPC
- Eliyan Ports Industry's Highest Performing PHY to Samsung Foundry SF4X Process Node, Achieving up to 40 Gbps Bandwidth at Unprecedented Power Levels with UCIe-Compliant Chiplet Interconnect Technology
- Arteris Selected by GigaDevice for Development in Next-Generation Automotive SoC With Enhanced FuSa Standards
|
E-mail This Article | 
|
|
Printer-Friendly Page |