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TDA9845T

更新时间: 2024-01-08 17:34:16
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页数 文件大小 规格书
20页 180K
描述
TV and VTR stereo/dual sound processor with digital identification

TDA9845T 技术参数

是否Rohs认证:不符合生命周期:Transferred
包装说明:SOP, SOP20,.4Reach Compliance Code:unknown
风险等级:5.78Is Samacsys:N
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
端子数量:20最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP20,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:5 V认证状态:Not Qualified
子类别:Other Consumer ICs最大压摆率:16.5 mA
表面贴装:YES技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

TDA9845T 数据手册

 浏览型号TDA9845T的Datasheet PDF文件第1页浏览型号TDA9845T的Datasheet PDF文件第3页浏览型号TDA9845T的Datasheet PDF文件第4页浏览型号TDA9845T的Datasheet PDF文件第5页浏览型号TDA9845T的Datasheet PDF文件第6页浏览型号TDA9845T的Datasheet PDF文件第7页 
Philips Semiconductors  
Preliminary specification  
TV and VTR stereo/dual sound processor  
with digital identification  
TDA9845  
FEATURES  
GENERAL DESCRIPTION  
Supply voltage 5 to 8 V  
Source selector  
The TDA9845 is a stereo/dual sound processor for TV and  
VTR sets. Its identification ensures safe operation by using  
internal digital PLL technique with extremely small  
bandwidth, synchronous detection and digital integration  
(switching time maximum 2.1 s; identification concerning  
the main functions).  
Stereo matrix  
AF input for mono source  
AF outputs for Main  
LED operation mode indication (stereo and dual)  
High identification reliability.  
QUICK REFERENCE DATA  
SYMBOL  
VP  
PARAMETER  
supply voltage (pin 18)  
supply current (pin 18)  
CONDITIONS  
MIN. TYP. MAX.  
UNIT  
4.5  
12  
5
8.8  
V
IP  
without LED current  
54% modulation  
B/G  
13  
16.5  
mA  
Vi(rms)  
nominal input signal voltage  
(Vi 1, Vi 2, Vi 3) (RMS value)  
250  
500  
500  
mV  
mV  
mV  
L (only for Vi 1)  
54% modulation  
Vo(rms)  
Vo(rms)  
nominal output signal voltage  
(RMS value)  
clipping level of the output signal  
voltages (RMS value)  
THD 1.5%  
VP = 5 V  
1.4  
2.4  
1.6  
2.65  
V
VP = 8 V  
V
ILON  
Vi pil  
input current  
LED ON  
12  
100  
mA  
mV  
input voltage sensitivity of pilot  
frequency  
unmodulated  
5
S/N(W)  
THD  
weighted signal-to-noise ratio  
total harmonic distortion  
“CCIR468-3”  
66  
75  
0.2  
dB  
%
0.3  
+70  
2.2  
2.3  
2.1  
Tamb  
operating ambient temperature range  
identification window width  
0
°C  
fident  
STEREO  
DUAL  
2.2  
2.3  
0.35  
Hz  
Hz  
s
tident ON  
Vi tuner  
fpil  
total identification time ON  
identification voltage sensitivity  
pull-in frequency range of pilot PLL  
28  
dBµV  
fω = 10.008 MHz  
lower side  
296  
296 Hz  
upper side  
302  
302  
Hz  
ORDERING INFORMATION  
TYPE  
PACKAGE  
NUMBER  
NAME  
DESCRIPTION  
VERSION  
TDA9845  
DIP20  
SO20  
plastic dual in-line package; 20 leads (300 mil)  
plastic small outline package; 20 leads; body width 7.5 mm  
SOT146-1  
SOT163-1  
TDA9845T  
1995 Mar 20  
2

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