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SN761644DBTR PDF预览

SN761644DBTR

更新时间: 2024-09-13 12:21:43
品牌 Logo 应用领域
德州仪器 - TI 电视
页数 文件大小 规格书
30页 949K
描述
DIGITAL TV TUNER IC

SN761644DBTR 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP44,.25,20针数:44
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.81Samacsys Description:DIGITAL TV TUNER IC
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PDSO-G44
JESD-609代码:e4长度:11.15 mm
湿度敏感等级:2功能数量:1
端子数量:44最高工作温度:85 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP44,.25,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Other Consumer ICs最大压摆率:155 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温度等级:OTHER
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm

SN761644DBTR 数据手册

 浏览型号SN761644DBTR的Datasheet PDF文件第2页浏览型号SN761644DBTR的Datasheet PDF文件第3页浏览型号SN761644DBTR的Datasheet PDF文件第4页浏览型号SN761644DBTR的Datasheet PDF文件第5页浏览型号SN761644DBTR的Datasheet PDF文件第6页浏览型号SN761644DBTR的Datasheet PDF文件第7页 
SN761644  
www.ti.com  
SLES252 NOVEMBER 2009  
DIGITAL TV TUNER IC  
Check for Samples: SN761644  
1
FEATURES  
DBT PACKAGE  
(TOP VIEW)  
Integrated Mixer/Oscillator/PLL and IF GCA  
Mirror Pin Package of SN761640  
VHF-L, VHF-H, UHF 3-Band Local Oscillator  
RF AGC Detector Circuit  
I2C Bus Protocol  
Bidirectional Data Transmission  
1
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
BS4  
UHF RF IN1  
UHF RF IN2  
VHI RF IN  
VLO RF IN  
RF GND  
MIX OUT2  
MIX OUT1  
IF IN  
VLO OSCB  
VLO OSC C  
VHI OSC B  
VHI OSC C  
UHF OSC B1  
UHF OSC C1  
UHF OSC C2  
UHF OSC B2  
OSC GND  
CP  
2
3
4
5
High-Voltage Tuning Voltage Output  
Four NPN-Type Band Switch Drivers  
One Auxiliary Port/5-Level ADC  
Crystal Oscillator Output  
6
7
8
9
RF AGC OUT  
RF AGC BUF  
BS3  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
Programmable Reference Divider Ratio  
(24/28/32/64/80/128)  
VTU  
IF GND  
IF GCA Enable/Disable Control  
Selectable digital IFOUT and Analog IFOUT  
Standby Mode  
BS2  
AIF OUT  
BS1  
DIF OUT1  
DIF OUT2  
IF GCA CTRL  
VCC  
SDA  
5-V Power Supply  
SCL  
AS  
44-Pin Thin Shrink Small-Outline Package  
(TSSOP)  
IF GCA IN1  
IF GCA IN2  
IF GCA GND  
IF GCA OUT2  
IF GCA OUT1  
BUS GND  
P5/ADC  
XTAL OUT  
XTAL2  
APPLICATIONS  
Digital TVs  
Digital CATVs  
Set-Top Boxes  
XTAL1  
DESCRIPTION  
The SN761644 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems. The circuit  
consists of a PLL synthesizer, three-band local oscillator and mixer, RF AGC detector circuit, and IF  
gain-controlled amplifier. The SN761644 is available in a small-outline package.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2009, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  

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