MAX3542CLM+T Maxim Integrated Products, MAX3542CLM+T Datasheet - Page 8

• Manufacturer Part Number: MAX3542CLM+T
• Description: RF Receiver Single-conversion Te levision tuner Integ
• Manufacturer: Maxim Integrated Products

Specifications of MAX3542CLM+T

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Complete Single-Conversion
Television Tuner
(MAX3542 EV kit, V
8
3, 10, 23, 28,
11–22, 27, 31
32, 33, 37,
_______________________________________________________________________________________
41, 44
PIN
24
25
26
29
30
34
35
36
38
1
2
4
5
6
7
8
9
60
50
40
30
20
10
0.5
IFVGA VOLTAGE GAIN vs. IFAGC VOLTAGE
RFGND2
RFGND3
IFOUT2+
IFOUT1+
IFOUT2-
IFOUT1-
UHF_IN
IFOVLD
VHF_IN
RFAGC
IFAGC
NAME
CC
IFIN+
LEXT
GND
IFIN-
SDA
LDO
SCL
V
CC
= +3.3V, V
1.0
IFAGC VOLTAGE (V)
1.5
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. Requires a DC-blocking capacitor.
VHF RF Input. 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 V G A 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 .
N oni nver ti ng IF V GA O utp 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 .
IF VGA 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 Overload Detector Open-Collector Output. Requires a 10kΩ pullup resistor to V
Noninverting IF LNA Output. Requires a DC-blocking capacitor.
Inverting IF LNA Output. Requires a DC-blocking capacitor.
VCO LDO Bypass. Bypass to ground with a 0.47μF capacitor.
IFAGC
-40°C
2.0
+85°C
= 3.0V, V
2.5
+25°C
Typical Operating Characteristics (continued)
RFAGC
3.0
= 3.0V, T
A
= +25°C, unless otherwise noted.)
FUNCTION
-20
-30
-40
-50
-60
0.5
IFVGA IM3 vs. IFAGC VOLTAGE
CC
1.0
CC
IM3
.
.
IFAGC VOLTAGE (V)
1.5
CC
P
IN
2.0
.
V
Pin Description
OUT
= 1.5 V
2.5
MAX3542 toc22
CC
P-P
.
3.0
-20
-40
-60
-80