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What is CD2399?

This electronic component, produced by the manufacturer "ETC", performs the same function as "Surround Reverb sound processor".


CD2399 Datasheet PDF - ETC

Part Number CD2399
Description Surround Reverb sound processor
Manufacturers ETC 
Logo ETC Logo 


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CD2399
环绕混响音效处理器
概述
CD2399 是一款环绕混响音效处理电路,主要用于电视、音响、卡拉 OK 混响器等各种音响设备中。
内建运算放大器、VCOVoltage Control OSC)、A/DCD/ACSRAM40Kb)以及延迟时间控制电路,
它的特色在于内建 VCO 可简化外部应用线路且易于控制振荡频率,从而达到微调延迟时间的效果。此外,
CD2399 16 条引脚,所需外接元器件极少,有助于 PCB 布局的简易化且能更加节省成本。
功能特点
z 工作电压:4.5V5.5V
z 自动复位功能
z 低噪声:回音混响模式-85dB;环绕声模式-90dB
z 谐波失真率低:回音混响模式 THD<1%;环绕声模式 THD<0.2%
z 内建 40Kb SRAM
z 可由外部电阻调整 VCO 的频率
z ADM 算法
z 采用的 DIP16(CD2399)SOP16(CD2399MN)封装
应用范围
z 影碟机
z 电视
z 卡拉 OK 混响器
z 电子音响设备
管脚排列图
VCC
REF
AGND
DGND
CLKO
VCO
CC1
CC0
1
2
3
4
5
6
7
8
16 LF1I
15 LF1O
14 LF2O
13 LF2I
12 OP2O
11 OP2I
10 OP1I
9 OP1O
1/6
Rev 2.0 2 010-4-2
http://www.Datasheet4U.com

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CD2399 equivalent
CD2399
表一 外接阻值与延迟时间对照表
R
27.6k 1.6
21.3k 2.1
17.2k 2.5
14.3k 2.9
12.1k 3.4
10.5k 3.9
9.2k 4.4
8.2k 4.8
7.2k 5.3
6.4k 5.8
5.8k 6.3
5.4k 6.8
4.9k 7.3
4.5k 7.8
4k 8.3
3.4k 10.
2.8k 11.
2.4k 11.
2k 12.
1.67k 16M
1.47k 17M
1.28k 18M
1.08k 19M
894 20M
723 22M
519 25M
288 26M
0.5 28M
fck
5M
M
M
7M
M
M
M
M
M
M
M
M
M
M
M
8M
3M
9M
9M
说明:R=外接电阻阻值(单位:
fck=振荡频率(单位:Hz
td=延迟时间
THD=总谐波失真
td
414ms
325ms
273ms
230ms
201ms
175ms
155.2ms
142.3ms
128.9ms
117.8ms
108.4ms
100.4ms
93.6ms
87.6ms
82.3ms
63.1ms
60.1ms
57.4ms
53ms
42.7ms
40.2ms
37.9ms
35.9ms
34.2ms
31.0ms
27.3ms
26.3ms
24.4ms
THD
1.0%
0.8%
0.63%
0.53%
0.46%
0.41%
0.36%
0.33%
0.29%
0.27%
0.25%
0.25%
0.23%
0.22%
0.21%
0.19%
0.18%
0.16%
0.15%
0.15%
0.15%
0.15%
0.14%
0.14%
0.14%
0.13%
0.13%
0.13%
封装尺寸图
DIP16
3.403.60
3.30TYP
2.54 0.550.80
1.524TYP
0.46TYP
7.627.87
8.108.60
5 TYP
0.200.35
19.1519.35
6.306.50
Unitmm
Rev 2.0 2010-04-02
5/6


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CD2399 datasheet pdf


1. - Surround Reverb Sound Processor

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