u-law and A-law, 1.536, 1.544, 2.048 MHz, Programmable Gain, Enhanced Noise Reduction 24-SOIC -40 to 85
Texas Instruments
Texas Instruments - TCM37C14A
$1.34 - $1.85
Texas Instruments - TCM37C14AIDW
$1.15 - $1.34