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PDF CR6831T Data sheet ( Hoja de datos )
| Número de pieza | CR6831T | |
| Descripción | Digital Echo/Surround Processor IC | |
| Fabricantes | Chip-Rail | |
| Logotipo |  |
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CR6831T
Digital Echo/Surround Processor IC
DESCRIPTION
The CR6831T is an IC developed for producing echo
effects added to voice signals picked up by microphone for
karaoke applications.
Outline
The IC has the largest memory among the digital delay
series. As it’s design is aimed at high performance, it is best
suited to provide radio cassette tape recorders and
miniature unit audio system with quality echo function.
Being pin compatible with the M65831AP/FP, the CR6831T
is suitable for upgrading the series.
FEATURES
•Built-in input / output filters, A-D and D-A converters, and
memory realize a delay system with only a single chip
Outline 24P4 (T)
2.54mm pitch 600mil DIP
(13.0mm X 31.1mm X 3.8mm)
•Capable of composing low-noise and low-distortion delay
system at low cost by ADM system
(No=-92dB typ, THD=0.5% typ)
•Control mode selections available from 2 kinds: easy
mode using parallel data and microcomputer mode using
serial data
•Sleep mode can be selected to stop IC functions
•Built-in automatic reset circuit
RECOMMENDED OPERATING CONDITIONS
Supply voltage range
Rated supply voltage
VCC,VDD=4.5 to 5.5V
VCC,VDD=5.0V
Outline 24P2W-A(S)
1.27mm pitch 375mil SOP
(7.5mm X15.4mm X2.3mm)
SYSTEM CONFIGURATION
Nov, 2005 V1.3
Chengdu Chip-Rail Tech. Co., Ltd.
1/14
1 page  
www.DatCaSRh6e8e3t41UT.com
ABSOLUTE MAXIMUM RATINGS
(Vcc=5V,f=1kHz,Vi=100mVrms,Ta=25°C,unless otherwise noted)
Symbol
Parameter
Conditions
Ratings
Vcc Supply voltage
6.5
Icc Circuit cuurent
100
CR6831T
Pd Power dissipation
CR6831TF
1
650
Topr
Operating temperature
-20~+75
Tstg
Storage temperature
-40~+125
THERMAL DERATING
(MAXIMUM RATING)
Units
V
mA
W
mW
°C
°C
AMBIENT TEMPERATURE Ta (°C )
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Conditions Min
VCC Supply voltage
4.5
VDD Supply voltage
4.5
VCC-VDD Difference voltage
-0.3
fck Clock frequency
1
Limits
Max
5
5
0
2
VIH High input voltage
VIL Low input voltage
0.7VDD
0
Typ
5.5
5.5
0.3
3
VDD
0.3VDD
Units
V
V
V
MHz
V
V
Nov, 2005 V1.3
Chengdu Chip-Rail Tech. Co., Ltd.
5/14
5 Page 
www.DatCaSRh6e8e3t41UT.com
5) SLEEP MODE
SLEEP data is
H:clock and RAM stop to reduce circuit current (SLEEP mode)
L:normal operation
6) SYSTEM RESET
Automatically reset power-on. The reset time is about
120msec.
Delay time is set at 147.5msec.
Nov, 2005 V1.3
Chengdu Chip-Rail Tech. Co., Ltd.
11/14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet CR6831T.PDF ] | |
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