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Our single-chip audio dynamics processors,
dubbed "THAT Analog Engines®," combine in one IC all the active circuitry needed
to construct a wide range of dynamics processors. Each of the 43xx series includes a high-performance,
exponentially controlled Blackmer® VCA and a log-responding rms-level
sensor. The 4301 and 4320 include three general-purpose opamps allowing
more complex signal processing.
THAT4301
The original versatile Analog Engine®. Its dynamic range exceeds 115 dB, and THD is
typically 0.003% at 0 dB gain. The 4301 is an ideal building block for
compressors, limiters, gates, expanders, de-essers, duckers and more.
THAT4305
The THAT4305 is our newest solution to dynamics processing. It offers
low-cost and the basic functionality of an Analog Engine. The 4305 is aimed at line-operated audio
applications such as compressor/limiters, gates, and other dynamic
processors. It is available in a small (QSOP)
surface- mount package.
THAT4315
The THAT4315 is a recent addition to our Analog Engine family. It offers
low-cost and the basic functionality of our original Analog Engines. The part
was designed for low-voltage operation, comes in a surface-mount package and is
suitable for battery-operated audio
applications like wireless microphones, wireless instruments and
personal monitors.
THAT4320
The THAT4320 is optimized for low-voltage, low-power
operation while providing more versatility than its low-voltage cousin
the THAT4315. This surface-mount part is aimed at battery-operated audio
applications like wireless microphones, wireless instruments and
personal monitors
THAT4311
(Not recommended for new designs)
The THAT 4311 offers the same great versatility and low package count as the THAT
4301 at reduced
operating voltage and power requirements.
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