SM7186 - ETC

SM7186 Built-in adjustable OSC

: SM7186 is an Audio Echo Processor using CMOS Technology. It has built-in AD/DA and 48KBits SRAM for time delay. External Resister adjust large range oscillation frequency and control delay time. Many combination to fit your applications. FEATURE: * Built-in adjustable OSC. * Built-in power on reset circuit. * Built-in 48KBits SRAM for delay control. * Adj.

Features

Positive power supply Analog reference voltage Analog negative power supply Digital negative power supply System clock output Add resistor to modify internal OSC DAC control ADC control ADC OP output ADC OP input DAC OP input DAC OP output OP2 input OP2 output OP1 output OP1 input Page 2

    BLOCK DIAGRAM D A C T L D A C I N D A C O U T A D C O U T A D C I N A D C T L OP1-IN OP2-IN Low Pass Filter Mix AD Converter VDD AGND DGND SRAM Low Pass Filter OP1-OUT OP2-OUT DA Converter OSCO OSC Verf POR Digital Control OSCR VREF Page 3

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