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THAT2252 RMS Level Detector
The THAT 2252 integrated-circuit RMS level detector is designed to convert an AC input current into a DC output voltage. The output is proportional to the log of the true RMS value of the input signal. The parts are housed in a space-efficient plastic 8-pin single-in-line (SIP) package, and require minimal support circuitry. Fabricated in a super low-noise process, the 2252 combines wide dynamic range with frequency response to beyond 20 kHz. The logarithmic output is especially convenient for audio applications requiring decibel-linear scaling. The integration time is adjustable via an external R/C pair. With some external circuitry, response to DC is also possible. Because the 2252 scales its output voltage logarithmically, it offers a particularly good match to THAT Corporation Voltage Controlled Amplifier (VCA) ICs such as THAT2180 and THAT2181 Series parts. We also offer an RMS level detector combined with a VCA in our THAT4301 Analog Engine® Dynamics Processor.
Basic THAT 2252 Specifications (typical)
Averaging Method: Root Mean Square (RMS) Output Scaling: +6.1 mV/dB
Dynamic Range: 80 dB
Bandwidth: >20 kHz Crest Factor: 8 (for 1 dB reading error) Power supply voltage: typically ±15 V Supply current: typically 1 mA
*The lead-free 2252 is not released for production.
For pricing and more information: icsales@cedos.com To download detailed datasheets in PDF format, please click on the picture. |
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