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THAT Corporation
   
View all THAT Corporation Products View THAT Corporation NEWESTPRODUCTS

THAT Corporation provides high-performance audio technology by delivering integrated circuits to manufacturers of professional and industrial products. THAT Corporation focuses specifically on analog audio input and output ICs to complement their voltage controlled amplifiers, rms detectors, and analog engines.

 
THAT Corporation Newest Products

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THAT Corporation New Products

Added 08/2012 THAT Corporation 300 Series Low-Noise Matched Transistor Arrays Learn More
Added 05/2012 THAT Corporation 5173 Audio Preamplifier Digital Controller IC Learn More
Added 12/2009 THAT Corporation THAT1570 / THAT5171 Microphone Preamplifier ICs Learn More
Added 04/2008 THAT Corporation Dual Balanced Receiver Learn More

THAT Corporation Featured Products

THAT Corp. 1583 Low Noise Audio Preamp IC

THAT 1583 Low Noise Audio Preamp IC is a versatile, high performance current-feedback amplifier suitable for differential microphone preamplifier and bus summing applications. It improves on previous, traditional current feedback designs by offering a more versatile configuration that can yield lower noise at low gains, lower distortion overall, and higher slew rate. Amplifier gain is determined by three external resistors. This makes it possible to optimize noise and bandwidth over a wide range of gains, as well as optimize the taper of gain vs. rotation in variable-gain, pot-controlled applications. The 1583 is designed to mate perfectly with THAT's series of Digital Preamplifier Controller ICs to produce an optimized, digitally controlled preamplifier. The 1583 operates from as little as 5V up through 18V supplies. It accepts greater than +28dBu input signals at unity gain when operated from 18V supplies.

THAT Corporation 5173 Audio Preamplifier Digital Controller IC

THAT Corporation 5173 Audio Preamplifier Digital Controller IC is a digital gain controller for low-noise, analog, differential, current-feedback audio preamplifiers such as the THAT 1570. When used in conjunction with an appropriate analog gain block, the 5173 Audio Preamplifier Digital Controller IC supports digital control gain from 0dB to 60dB in 3dB steps, while preserving low noise and distortion. It operates from ±5V to ±17V analog supplies, supporting input signal levels as high as +27 dBu (at 0dB gain and ±17V supplies) in combination with the 1570 -- without an input pad. The 5173 Audio Preamplifier Digital Controller IC includes a differential servo and zero-crossing detector to minimize DC offsets and glitches (zipper noise) during gain adjustments.

THAT Corporation 300 Series Low-Noise Matched Transistor Arrays

The THAT 300 Series Low-Noise Matched Transistor Arrays are large geometry, 4-transistor, monolithic NPN arrays. These Low-Noise Matched Transistor Arrays exhibit both high speed and low noise, with excellent parameter matching between transistors of the same gender. The THAT 300 Series Low-Noise Matched Transistor Arrays are ideally suited for low-noise amplifier input stages, log amplifiers, and many other applications.

THAT Corp. THAT1570 / THAT5171 Microphone Preamplifier ICs

THAT Corporation THAT1570 and THAT5171 digitally controllable microphone preamplifier ICs are a versatile two-chip solution that enables digitally controlled microphone preamplifier applications with unprecedented performance. THAT1570 and THAT5171 ICs operate on maximum ± 17V supplies and accept pro audio input levels (+22dBu max) without an input pad. THAT Corporation microphone preamplifier ICs feature gain adjustable to 5.6dB and from 13.6dB to 68.6dB in 1dB increments when used in conjunction with an appropriate analog gain block. The THAT5171 offers a built-in zero-crossing detector that enables smooth and silent gain changes. A differential servo reduces output offsets to less than 1mV. The 5171 IC also has four general purpose outputs that can be connected to a variety of peripheral functions. THAT Corporation microphone preamplifier ICs are ideal for a variety of audio applications, including digitally controlled microphone preamplifiers, instrumentation amplifiers, and differential amplifiers.

THAT Blackmer® Voltage Controlled Amplifier

THAT Corporation's 2162 device contains two high-performance Blackmer® voltage-controlled amplifiers (VCAs). With two opposing-polarity, voltage-sensitive control ports, the 2162 offers wide-range exponential control of gain and attenuation with low signal distortion. The VCAs are trimmed at wafer stage to deliver low distortion and control-voltage feed-through without further adjustment. The device operates from a split power supply up to ±16Vdc, drawing only 5.2mA at ±15V and 3mA at ±5V. The amplifier can also operate at supply voltages as low as ±2.25V, making it suitable for battery-operated applications. THAT Corporation's 2162 device is a replacement for discontinued SSM2164 quad VCA.

THAT Corporation Dual Balanced Receiver

THAT Corporation Dual Balanced Receivers are designed for use as balanced receivers for audio applications.

THAT Corporation Resources & Support

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