THAT Corporation
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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.
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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.