19-5470; Rev 0; 7/10
Multiband Digital Television Tuner
General Description
Features
S Standard IF Architecture Ensures < -70dBc Spurs
S Integrated RF Tracking Filter
The MAX3544 broadband single-conversion television
tuner is designed for use in digital (DVB-T, DVB-C,
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 MAX3544 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; 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 MAX3544 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
DTMB/GB20600
MAX3544CTL+
0NC to +70NC
40 TQFN-EP*
DVB-T/DVB-T2
DVB-C
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed paddle.
ATSC
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
TFVH1
TFVH2
TFU1
CCDIG
DIGITAL
DEMODULATOR
REFOUT
GND
/N
MAX3544
REF_OUT
IFVGC
TFU2A
TFU2B
TFU3
DTVOUT+
DTVOUT-
GND
DIG_IF
TRACKING
FILTER
PDET
V
CC
LEXT
V
CC
GND
RFINL
IFIN+
+
1
2
3
4
5
6
7
8
9
10
LC BANDPASS
FILTER
NOTE: LAYOUT FITS 25mm x 20mm ON 2-LAYER BOARD WITH DEVICE PLACEMENT ON TOP SIDE ONLY.
_______________________________________________________________ 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.