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MAX3542

更新时间： 2024-11-23 05:49:03
品牌 Logo 应用领域
美信 - MAXIM 电视
页数 文件大小 规格书
20页 287K
描述
Complete Single-Conversion Television Tuner

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中文翻译

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MAX3542 数据手册

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19-4337; Rev 1; 1/10  
Complete Single-Conversion  
Television Tuner  
MAX3542  
General Description  
Features  
The MAX3542 complete single-conversion television  
tuner is designed for use in analog/digital terrestrial appli-  
cations and digital set-top boxes. This television tuner  
draws only 760mW of power from a +3.3V supply voltage.  
o Low Power Consumption: 760mW (typ) from a  
+3.3V Supply Voltage  
o Integrated Tracking Filters  
The MAX3542 is designed to convert PAL or DVB-T sig-  
nals in the 47MHz to 862MHz band to an intermediate  
frequency (IF) of 36MHz.  
o Low Noise Figure: 4.9dB (typ)  
o Small 7mm x 7mm fcLGA Lead-Free Package  
o IF Overload Detector Controls RF Variable-Gain  
The MAX3542 includes a variable-gain low-noise amplifi-  
er (LNA), multiband tracking filters, a harmonic-rejection  
mixer, a low-noise IF amplifier, an IF power detector, and  
a variable-gain IF amplifier. The MAX3542 also includes  
fully monolithic VCOs and tank circuits, as well as a  
complete frequency synthesizer. This highly integrated  
design allows for low-power tuner-on-board applications  
without the cost and power dissipation issues of dual-  
conversion tuner solutions.  
Amplifier  
o 2-Wire, I2C-Compatible Serial Control Interface  
Ordering Information  
The MAX3542 is specified for operation in the 0°C to  
+70°C temperature range and is available in a lead-free  
48-pin flip-chip (fcLGA) package.  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX3542CLM+  
0°C to +70°C  
48 LGA-EP*  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed paddle.  
Applications  
Televisions  
Analog/Digital Terrestrial Receivers  
Digital Set-Top Boxes  
Pin Configuration/Functional Diagram  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
+
SCL  
SDA  
1
2
3
4
5
6
7
8
9
36 IFOUT1-  
35 IFOUT1+  
34 IFOVLD  
÷ R PD  
÷ N  
CP  
SERIAL  
INTERFACE  
V
CC  
VCO  
DIVIDER  
UHF_IN  
VHF_IN  
RFGND2  
LEXT  
33  
32  
V
V
CC  
CC  
V
REF  
+
-
31 GND  
30 IFIN+  
29 IFIN-  
RFGND3  
RFAGC  
28  
V
CC  
MAX3542  
EP  
V
10  
27 GND  
CC  
GND 11  
GND 12  
26 IFAGC  
25 IFOUT2+  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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