MN3309

256-Stage Ultra Low Voltage Operation BBD for Audio Signals

Courtesy/Thanks to: Panasonic

Description: Overview
The MN3309 is a 256-stage ultra low voltage operation BBD variable
delay line in audio frequency range. The device operates on +3 V
supply and provides a signal delay up to 12.8 ms and is suitable for
use as reverberation effect of low voltage operation audio equipment
such as portable stereo, radio cassette recorder and microphone.

Features

· Variable signal delay of the audio signal : 0.128 to 12.8 ms

· Wide range of supply voltage : 1.8 to 5.0 V

· No insertion loss : Li=0 dB typ.

· Wide dynamic range : S/N=74 dB typ.

· Low distortion : THD=0.4 % 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

Applications

· 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

· Variable or fixed delay of analog signals