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參數(shù)資料
| 型號(hào)： | HT8970 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Voice Echo |
| 中文描述： | 語(yǔ)音回聲 |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大小： | 100K |
| 代理商： | HT8970 |
Electrical Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
CC
Operating Voltage
4.5
5.0
5.5
V
I
CC
Operating Current
5V
15
30
mA
G
V
Voltage Gain
5V
R
L
=47k
0.9
2.5
dB
V
OMAX
Maximum Output Voltage
5V
THD=10%
0.9
1.8
Vrms
THD
Total Harmonic Distortion
5V
30kHz L.P.F.
0.7
1.5
%
N
O
Output Noise Voltage
5V
DIN Audio
85
60
dBV
PSRR
Power Supply Rejection
Ratio
5V
V
CC
= 20dBV
(0.1Vrms)
f=100Hz
40
30
dB
HT8970
5
March 14, 2000
Functional Description
The HT8970 is an echo/surround effect genera-
tor with built-in 20Kb SRAM. It ensures low
distortion as well as low noise for processing
audio signal delay. The chip provides two play-
ing modes (echo and surround) and the playing
function block diagrams are shown as follows.
Surround mode
Echo mode
, - . /
, - . /
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| HT9011 | FM IF Detector |
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| HT9020B | Call Progress Tone Detector |
| HT9020 | Call Progress Tone Decoder & ABR Controller |
| HT9020A | Call Progress Tone Decoder & ABR Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT8970(16DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| HT8970(16SOP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| HT8972 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Voice Echo |
| HT8A | 制造商:Eaton Corporation 功能描述:CONTACT BLOCK, 1-N/O, STANDARD |
| HT8A15 | 制造商:Eaton Corporation 功能描述:ILLUMINATED PUSHBUTTON GUARD |
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