DALLAS--Texas Instruments Inc. here today launched two new coder-decoder chips optimized for use with TI's digital signal processors in voice-band applications. TI claimed the new devices were the first "DSPcodecs," which maximize DSP performance while reducing system development time by tenfold.
"Many codecs available today actually hinder DSP performance with excessive interrupts and limited serial interface flexibility, but the new TLV320AIC10 unleashes the full potential of TI's DSPs," said Tom Lahutsky, new product development manager for data converters in TI's Advanced Analog Products division.
The new DSPcodes feature 22 kilo-samples per second (kSPS), an integrated serial interface with analog functions, applications support, and power consumption that is 25% less than comparable part, according to TI. The TLV320AIC10 delivers 84 dB of signal-to-noise ratio for analog-to-digital (ADC) and digital-to-analog (DAC) conversion. The TLV320AIC10 operates at 3 to 5.5 volts for both analog and digital supplies. It consumes 39 milliwatts (mW ) of power at 8 kSPS--which TI said is 25% less than competing parts.
The TLV320AIC11 DSPcodec is similar to the AIC10 device but it has been designed to support low-voltage digital I/O operation at 1.2 and 1.8 V. This device is aimed at low-power applications, such as digital hearing aids.
In quantities of 1,000, the TLV320AIC10 has a suggested resell price of $3.75 each. It is packaged in a 48-pin thin-quad flat pack (TQFP). This DSPcodec is available now. The low-power TLV320AIC11 is available in sample quantities now with production slated to start in April. It will have a price of $4.25 each in quantities of 1,000, said TI.