MAX3540ULM+ Maxim Integrated, MAX3540ULM+ Datasheet - Page 8

• Manufacturer Part Number: MAX3540ULM+
• Description: Tuners
• Manufacturer: Maxim Integrated

Specifications of MAX3540ULM+

• Rohs: yes

Complete Single-Conversion Television Tuner
8
28, 32, 33,
37, 41, 44
3, 10, 23,
11–22,
_______________________________________________________________________________________
27, 31
PIN
EP
24
25
26
29
30
34
35
36
38
39
40
42
43
45
46
47
48
1
2
4
5
6
7
8
9
GND_TUNE
RFGND2
RFGND3
IFOUT2+
IFOUT1+
IFOUT2-
IFOUT1-
UHF_IN
IFOVLD
VHF_IN
RFAGC
ADDR1
ADDR2
VTUNE
IFAGC
XTALN
XTALP
NAME
IFIN+
LEXT
GND
IFIN-
MUX
SDA
LDO
SCL
V
CP
EP
CC
2-Wire Serial-Clock Interface. Requires a pullup resistor to V
2-Wire Serial-Data Interface. Requires a pullup resistor to V
Power-Supply Connections. Bypass each supply pin to ground with a 1000pF capacitor.
UHF RF Input. Matched to 75Ω over the operating band. Requires a DC-blocking capacitor.
VHF RF Input. Matched to 75Ω over the operating band. Requires a DC-blocking capacitor.
RF Ground. Bypass to the PCB’s ground plane with a 1000pF capacitor. Do not connect RFGND2
and RFGND3 together.
RF VGA Supply Voltage. Connect through a 270nH pullup inductor to V
RF Ground. Bypass to the PCB’s ground plane with a 1000pF capacitor. Do not connect RFGND2
and RFGND3 together.
RF AG C G ai n- C ontr ol V ol tag e. Accep ts a D C vol tag e fr om 0.5V ( m i ni m um g ai n) to 3V ( m axi m um g ai n) .
Ground. Connect to the PCB’s ground plane.
Inver ti ng IF- V G A Outp ut. C onnect to the i np ut of an anti - al i asi ng fi l ter . Req ui r es a D C - b l ocki ng cap aci tor .
Noninverting IF-VGA Output. Connect to the input of an anti-aliasing filter. Requires a DC-blocking
capacitor.
IF AGC Gain-Control Voltage. Accepts a DC voltage from 0.5V (minimum gain) to 3V (maximum gain).
Inverting IF-VGA Input. Connect to the output of an IF-SAW filter.
Noninverting IF-VGA Input. Connect to the output of an IF-SAW filter.
IF Power Detector Open-Collector Output. Requires a 10kΩ pullup resistor to V
N oni nver ti ng IF- LN A Outp ut. Req ui r es a D C - b l ocki ng cap aci tor .
Inverting IF-LNA Output. Requires a DC-blocking capacitor.
VCO LDO Bypass. Bypass to ground with a 0.47μF capacitor.
VTUNE Ground Connection. Connect to the PCB ground plane. All loop filter component GND must
be connected to this pin (see the Typical Application Circuit).
VCO Tuning Input. Connect to the PLL loop filter output.
Test Output. Leave this pin unconnected during normal operation.
Charge-Pump Output. Connect to the PLL loop filter input.
Crystal Oscillator Feedback. See the Typical Application Circuit.
Crystal Input. Requires a DC-blocking capacitor.
2-Wire Serial-Interface Address Line 1. This pin along with ADDR2 sets the device address for the
I
2-Wire Serial-Interface Address Line 2. This pin along with ADDR1 sets the device address for the
I
Exposed Paddle. Solder evenly to the PCB ground plane for proper operation.
2
2
C-compatible serial interface.
C-compatible serial interface.
FUNCTION
CC
CC
.
.
CC
.
Pin Description
CC
.