SAMHOP Microelectronics Corp.
SM7181
ECHO
REV. 1.20 DECEMBER 31, 2004
The information in this document is subject to ch...
SAMHOP Microelectronics Corp.
SM7181
ECHO
REV. 1.20 DECEMBER 31, 2004
The information in this document is subject to change without notice. c SAMHOP Microelectronics Corp. All Rights Reserved. 1007 7F,No.100,Min-Chyuan Road, Hsintien, Taipei Hsien, Taiwan, R.O.C. TEL: 886-2-2218-3978/2820 FAX: 886-2-2218-3320 Email :
[email protected]
Page 1
ECHO
SAMHOP Microelectronics Corp.
SM7181
DESCRIPTIONS
SM7181 is an Audio Echo Processor using CMOS Technology. It has build in AD/DA and 8KBits SRAM for echo effect time delay.
FEATURE
* Buildin adjustable OSC. * Buildin power on reset circuit. * Buildin 8KBits SRAM for delay control. * By change oscillator resistor to adjust echo
effect time.
APPLICATIONS
* VCD * Karaok * TV * Audio System * Car Stereo
VREF OSC1 OSC2
VDD DGND AGND ADCTL DACTL
1 16 2 15 3 14 4 13 5 12 6 11 7 10 89
SM7181 DIP 16
OP1-IN OP1-OUT ADC-OUT ADC-IN DAC-IN DAC-OUT OP2-IN OP2-OUT
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V1.20
ECHO
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