U4479B-MFLG3 PDF预览

U4479B-MFLG3

更新时间: 2025-07-14 22:18:19
品牌 Logo 应用领域
TEMIC 转换器消费电路商用集成电路光电二极管
页数 文件大小 规格书
11页 249K
描述
DVB-Cable IF Converter and Full Multi-Standard Video-/Sound IF Processing

U4479B-MFLG3 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.74
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PDSO-G28
JESD-609代码:e0功能数量:1
端子数量:28最高工作温度:85 °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:SOP28,.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:100 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
表面贴装:YES技术:BIPOLAR
温度等级:OTHER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

U4479B-MFLG3 数据手册

 浏览型号U4479B-MFLG3的Datasheet PDF文件第4页浏览型号U4479B-MFLG3的Datasheet PDF文件第5页浏览型号U4479B-MFLG3的Datasheet PDF文件第6页浏览型号U4479B-MFLG3的Datasheet PDF文件第8页浏览型号U4479B-MFLG3的Datasheet PDF文件第9页浏览型号U4479B-MFLG3的Datasheet PDF文件第10页 
U4479B  
Electrical Characteristics (continued)  
VS = 5 V, Tamb = +25°C  
Parameters  
Modulation switch (pin 16):  
Control voltage for  
HIGH: neg. modulation  
LOW: pos. modulation  
Test Conditions / Pins  
Symbol  
Min.  
2.5  
Typ.  
30  
Max.  
Unit  
See note 6  
V
mod  
3.5  
1.5  
V
V
A
Switching current  
Pin 16 to ground  
I
mod  
Frequency switch (Pin 17)  
Control voltage for  
V
freq  
freq  
HIGH: f  
= 38.9 MHz  
see also note 6  
3.35  
3.5  
3.2  
V
V
VCO  
LOW: f  
= 33.4/43 MHz  
VCO  
(depends on Pin 16)  
Switching current  
Pin 17 to ground  
I
700  
A
Table of Switch Settings  
Active IF input  
IF input switch (Pin 15)  
IF 1 (Pins 5, 6)  
Pin 15 ‘high’  
IF 2 (Pins 9, 10)  
Pin 15 ‘low’  
Standard  
DVB  
BG  
L
L’  
VCO frequency  
43 MHz  
38.9 MHz  
38.9 MHz  
33.4 MHz  
(see note 7)  
‘low’  
Modulation switch (Pin 16)  
Frequency switch (Pin 17)  
‘high’  
‘low’  
‘high’  
‘high’  
‘low’  
‘high’  
‘low’  
Notes  
1. This parameter is given as an application information and it is not tested during production.  
2. The oscillator drift is related to the picture carrier frequency, at external temperature-compensated LC circuit  
3.  
(1.07) = 20 log (4.43 MHz component/ 1.07 MHz component);  
(1.07) value related to black-white signal  
input signal conditions: picture carrier  
color carrier  
0 dB  
–6 dB  
sound carrier  
–24 dB  
4. Picture carrier PC = 38.9 MHz; sound carrier SC = 33.4 MHz, SC = 33.16 MHz;  
1
2
PC/SC = 13 dB; PC/SC = 20 dB; PC unmodulated (equivalent to sync peak level)  
1
2
5. Sound carrier SC = 32.4 MHz, modulated with f  
= 1 kHz, m = 54%; v = 10 mV  
in  
mod  
6. Without control voltage ‘High Level’ mode is automatically selected  
7. For L’: AFC is adjustable with external potentiometer  
TELEFUNKEN Semiconductors  
Rev. A2, 14-Jan-98  
7 (11)  
Preliminary Information  

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