MAX3540(2007) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX3540 Datasheet PDF : 16 Pages
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Complete Single-Conversion Television Tuner
To minimize coupling between different sections of the
IC, the ideal power-supply layout is a star configura-
tion, which has a large decoupling capacitor at the
central VCC node. The VCC traces branch out from this
node, with each trace going to separate VCC pins of
the MAX3540. Each VCC pin must have a bypass
capacitor with a low impedance to ground at the fre-
quency of interest. Do not share ground vias among
multiple connections to the PCB ground plane.
ADDRESS1
VCC ADDRESS2
Typical Application Circuit
270Ω
4700pF
1.3kΩ
*
0.033μF
VCC
VCC
*
22pF
1000pF
100pF
1000pF
100pF
470pF
*
VCC
*
1000pF
47μF
1000pF
1000pF
SAW
DRIVER
AMPLIFIER
680nH
2.7kΩ
2.7kΩ
1000pF
SCLK
VCC SDATA
100Ω
SCL
1
SDA 2
VCC 3
UHF_IN
4
VCC
1000pF
IFOVLD
470nF
2.7Ω
0.1μF
VHF_IN
5
1000pF
RFGND2
6
LEXT
1000pF
7
RFGND3
8
RFAGC
9
VCC
VCC 10
GND 11
1000pF
GND
12
48 47 46 45 44 43 42 41 40 39 38 37
÷ R PD CP
÷N
SERIAL
INTERFACE
VCO
DIVIDER
VREF
+
-
MAX3540
EP
VCC
IFOUT1-
36
IFOUT1+
35
IFOVLD
34
33 VCC
32 VCC
GND
31
IFIN+
30
IFIN-
29
28 VCC
GND
27
IFAGC
26
IFOUT2+
25
10kΩ
0.1μF
IFOVLD
VCC
VCC
1000pF 1000pF
2.2pF VCC
2.7kΩ
0.1μF
1000pF
VIFAGC
IF-SAW
FILTER
13 14 15 16 17 18 19 20 21 22 23 24
VCC
ANTI-ALIASING
FILTER
IFOUT+
IFOUT-
*CONNECT TO COMMON GROUND POINT AT PIN 39.
1000pF
14 ______________________________________________________________________________________
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