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MAX3543

更新时间： 2024-11-23 11:17:31
品牌 Logo 应用领域
美信 - MAXIM 电视
页数 文件大小 规格书
20页 1006K
描述
Multiband Analog and Digital Television Tuner

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中文翻译

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MAX3543 数据手册

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19-4985; Rev 2; 7/10  
Multiband Analog and  
Digital Television Tuner  
General Description  
Features  
S Standard IF Architecture Ensures < -70dBc Spurs  
S Integrated RF Tracking Filter  
The MAX3543 hybrid broadband single-conversion tele-  
vision tuner is designed for use in analog (PAL, SECAM)  
+ digital (DVB-T, GB20600) television sets and terrestrial  
receivers. It receives all television bands from 47MHz  
to 862MHz and converts the selected channel to an  
industry-standard 36MHz IF.  
S Integrated IF Bandpass Filter  
S Full-Band Coverage (47MHz to 862MHz)  
S 70dB Image Rejection  
The MAX3543 includes a variable-gain low-noise input  
amplifier; an RF tracking filter; an image rejection mixer;  
a peak detector; an optional internal, self-contained  
RF gain-control loop (RFAGC); a VCO with fractional-N  
PLL; an IF bandpass filter; an IF variable-gain amplifier;  
separate analog and digital IF outputs; and a crystal  
oscillator.  
S 4dB Noise Figure  
S Fast-Locking, Low Phase-Noise PLL Supports  
256QAM  
S Crystal Oscillator and Buffer/Divider to Drive  
Baseband IC  
S 745mW Power Dissipation  
The MAX3543 is available in a small, 6mm x 6mm, thin QFN  
package, and the application circuit fits in 20mm x 25mm on  
a two-layer board with single-sided component mounting.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
Applications  
MAX3543CTL+  
0NC to +70NC  
40 TQFN-EP*  
DVB-T/DVB-T2 +  
PAL/SECAM  
DTMB/GB20600 + PAL  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed paddle.  
ATSC + NTSC  
DVB-C + PAL/SECAM  
Block Diagram/Typical Application Circuit/Pin Configuration  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
TFVL2  
SCL  
V
2
I C  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
2
I C  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
FRAC-N  
PLL  
DIGITAL  
TFVH1  
TFVH2  
TFU1  
CCDIG  
DEMODULATOR  
OR  
REFOUT  
GND  
A + D  
/N  
MAX3543  
REF_OUT  
DEMODULATOR  
IFVGC  
TFU2A  
TFU2B  
TFU3  
DTVOUT+  
DTVOUT-  
IFOUT2  
DIG_IF  
ANA_IF  
TRACKING  
FILTER  
PDET  
V
CC  
LEXT  
V
CC  
GND  
ANALOG  
DEMODULATOR  
RFINL  
IFIN+  
+
1
2
3
4
5
6
7
8
9
10  
LC BANDPASS  
FILTER  
_______________________________________________________________ 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.  
1234567...20

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