BL0305 查看數據表（PDF） - Shanghai Belling Co., Ltd.

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BL0305

Digital Echo (Digital Delay)

Shanghai Belling Co., Ltd. 

BL0305 Digital Echo (Digital Delay)

Description

The BL0305 is a CMOS IC for generating echo to be added to the voice through a “karaoke” microphone. It

is designed for the lowest price of models in the same series,and is suitable for application to the echo

generator of a radio cassette player, minicomponent stereo set, TV etc. Increased master clock frequency

assures highperformance short delay, enabling the IC to be used for digital surround ( Compatible with

M65844P).

Pin Assignment

LPF1 IN 1

LPF1 OUT 2

OP1 OUT 3

OP1 IN 4

CC1 5

CC2 6

GND 7

14 VCC

13 CLOCK

12 REF

11 OP2 IN

10 OP2 OUT

9 LPF2 IN

8 LPF2 OUT

DIP 14 Pin

Features

·All functions necessary for generating

digital echo are contained, enabling

production of low-priced echo generator.

·C-R oscillation circuit is provided for a master clock,

·Built-in auto power-on reset circuit.

·No control signal is required.

·Delay time=150msec(with master clock set at 220 kHz)

·14-pin DIP package.(14PDIP)

Address： No.810, YiShan Road ShangHai China Tel：86-021-64850700 Fax：86-64852222 Zip.200233

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