Graphic Equalizer Display Filter – MSGEQ7

Graphic Equalizer Display Filter – MSGEQ7

৳  551.00

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SKU: 868763234 Category:

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MSGEQ7 is a CMOS chip that divides the audio spectrum into seven bands. 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz and 16kHz. The seven frequencies are peak detected and multiplexed to the output to provide a DC representation of the amplitude of each band. No external components are needed to select the filter responses. Only an off chip resistor and capacitor are needed to select the on chip clock oscillator frequency. The filter center frequencies track this frequency.

Other than coupling and decoupling capacitors, no other external components are needed. The chip supply can be between 2.7 and 5.5 volts with 5 volts providing the best performance. The device has very low quiescent current (less than 1ma typical) for portable audio devices. the multiplexer is controlled by a reset and a strobe, permitting multiplexer readout with only two pins. The multiplexer readout rate also controls the decay time (10% decay per read), so no external pins are needed for this function.

Features:

Low Power Consumption
Only Two External Components
On Chip Ground Reference
Switched – Capacitor Filters
3.3 or 5 Volts Operation
20 dB of Gain
On Chip Oscillator
Output Multiplexer
Variable Decay Time
8 Pin DIP Package
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