MN3304

MN3300 Series MN3304 512-Stage Ultra Low Voltage Operation BBD for Audio Signals s Overview The MN3304 is a 512-stage ultra low voltage operation BBD variable delay line in audio frequency range. The device operates on +3V supply and provides a signal delay up to 25.6 ms and is suitable for use as reverberation effect of low voltage operation audio equipment such as portable stereo, radio cassette recorder and microphone. GND 1 2 3 4 MN3304 8 7 6 5 VD2 OUT CP1 VD1 s Pin Assignment s Features Variable signal delay of the audio signal : 0.256 to 25.6 ms Wide range of supply voltage : 1.8 to 5.0 V No insertion loss : Li=0 dB typ. Wide dynamic range : S/N=73 dB typ. Low distortion : THD=0.7 % typ. (Vi=0.22 Vrms) Clock frequency range : 10 to 200 kHz (1.8 V≤VDD<4.0 V) 10 kHz to 1 MHz (4.0 V≤VDD≤5.0 V) N-channel 2-layer silicon gate process 8-Pin Dual-In-Line Plastic Package CP2 IN VDD DIP008-P-0300 CP1 6 Reverberation and echo effects of audio equipment such as radio cassette recorder, car radio, portable radio, portable stereo, echo microphone and Karaoke machine, etc. Sound effect of electronic musical instruments Variable or fixed delay of analog signals 2 CP2 s Applications s Block Diagram 8 7 5 VD2 OUT VD1 IN 3 512-Stage BBD 4 s Pin Descriptions Pin No. Symbol 1 2 3 4 GND CP2 IN VDD Pin Name Ground pin Clock input 2 Signal input pin VDD apply pin Connected to ground. Basic clock pulse is applied to transfer electric charge of BBD. Analo...