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SN761662DBT PDF预览

SN761662DBT

更新时间: 2024-09-13 09:12:03
品牌 Logo 应用领域
德州仪器 - TI 消费电路调谐器集成电路商用集成电路放大器电视射频光电二极管
页数 文件大小 规格书
20页 943K
描述
DTV TUNER IC

SN761662DBT 技术参数

是否无铅: 含铅生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP38,.25,20
针数:38Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83Is Samacsys:N
内置中频放大器:YES商用集成电路类型:VIDEO TUNER
最大输入频率(射频):864 MHz最小输入频率(射频):57 MHz
JESD-30 代码:R-PDSO-G38JESD-609代码:e4
长度:9.7 mm标称噪声指数:12 dB
频带数量:3功能数量:1
端子数量:38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:TSSOP38,.25,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
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:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL宽度:4.4 mm
Base Number Matches:1

SN761662DBT 数据手册

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SN761662  
DTV TUNER IC  
www.ti.com  
SLES161NOVEMBER 2005  
FEATURES  
DBT PACKAGE  
(TOP VIEW)  
Low-Phase-Noise Mixer/Oscillator and PLL  
Synthesizer  
1
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
VLO OSC B  
VLO OSC C  
OSC GND  
VHI OSC B  
VHI OSC C  
UHF OSC B1  
UHF OSC C1  
UHF OSC C2  
UHF OSC B2  
IF GND  
UHF RF IN2  
UHF RF IN1  
VHI RF IN  
VLO RF IN  
BS4  
VHF-L, VHF-H, UHF Three-Band Local  
Oscillator  
I2C Bus Protocol (Bidirectional Data  
2
3
4
Transmission)  
5
30-V Tuning Voltage Output  
Four NPN-Type Band-Switch Drivers  
One Auxiliary-Port, Five-Level ADC  
RF AGC Detector Circuit  
6
RF GND  
MIXOUT2  
MIXOUT1  
NC  
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
BUS GND  
RF AGC  
AGC FIL2  
AGC FIL1  
BS3  
Crystal Oscillator Output  
IF OUT1  
Programmable Reference Divider Ratio  
(24/28/50/64/80/128)  
IF OUT2  
VCC  
Standby Mode  
CP  
5-V Power Supply  
38-Pin TSSOP Package  
VTU  
BS2  
P5/ADC  
BS1  
XTAL1  
SDA  
APPLICATIONS  
XTAL2  
SCL  
Digital TV  
Digital CATV  
Set-Top Box  
XTALOUT  
AS  
P0034-02  
DESCRIPTION  
The SN761662 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, 30-V output tuning amplifier, four  
NPN band-switch drivers, and is available in a  
small-outline package.  
A
15-bit programmable  
counter and reference divider are controlled by I2C  
bus protocol. Tuning step frequency is selectable by  
this reference divider ratio for a crystal oscillator.  
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 © 2005, 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.  

SN761662DBT 替代型号

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