MAX2112CTI+ Maxim Integrated Products, MAX2112CTI+ Datasheet - Page 6

• Manufacturer Part Number: MAX2112CTI+
• Description: RF Receiver Direct Conversion Tu ner for DVB-S2 -40 t
• Manufacturer: Maxim Integrated Products

Specifications of MAX2112CTI+

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

Complete, Direct-Conversion
Tuner for DVB-S2 Applications
(MAX2112 Evaluation Kit: V
except BBG[3:0] = 1011.)
6
-10
-20
-30
-40
-50
-60
-70
-80
-10
-12
-14
-10
-20
-30
10
30
20
10
-2
-4
-6
-8
_______________________________________________________________________________________
0
2
0
0
100
-80
0.5
OUT-OF-BAND IIP3 vs. INPUT POWER
ADJUST BBG[3:0] FOR 1V
OUTPUT WITH
P
SEE NOTE 4 ON PAGE 4 FOR CONDITIONS
IN
T
A
-70
= -75dBm AND V
= -40°C
BASEBAND FILTER HIGHPASS
1.0
BASEBAND FREQUENCY (MHz)
FREQUENCY RESPONSE
INPUT POWER vs. V
-60
INPUT POWER (dBm)
-50
1.5
V
GC1
GC1
1000
-40
= 0.5V
(V)
P-P
2.0
-30
BASEBAND
CC
T
A
= +85°C
GC1
-20
T
= +3.3V, T
A
2.5
= +25°C
-10
10,000
3.0
0
A
= +25°C, baseband output frequency = 5MHz; V
10.5
10.0
-10
-20
-30
-40
-50
-60
9.5
9.0
8.5
8.0
7.5
Typical Operating Characteristics (continued)
45
40
35
30
25
20
15
10
30
20
10
5
0
0
900 1100 1300 1500 1700 1900 2100 2300
-80
0
LPF[7:0] = 12 + (f
SEE NOTE 3 ON PAGE 4 FOR CONDITIONS
ADJUST BBG[3:0] FOR 1V
OUTPUT WITH P
AND V
PROGRAMMED f
vs. MEASURED f
PROGRAMMED f
IN-BAND IIP3 vs. INPUT POWER
-70
5
NOISE FIGURE vs. FREQUENCY
T
A
GC1
= +70°C
10
-60
= 0.5V
T
INPUT POWER (dBm)
A
15
FREQUENCY (MHz)
= +85°C
-50
IN
-3dB
= -75dBm
20
-3dB
- 4MHz)/290kHz
-40
-3dB
-3dB
FREQUENCY (MHz)
25
P-P
-30
FREQUENCY
FREQUENCY
BASEBAND
30
-20
T
35
A
= +25°C
-10
40
45
0
-0.2
-0.4
-0.6
-0.8
-1.0
-10
1.0
0.8
0.6
0.4
0.2
70
60
50
40
30
20
10
60
50
40
30
20
10
GC1
0
0
0
-40
-80
-80
ADJUST BBG[3:0] FOR 1V
BASEBAND OUTPUT WITH
P
f
SEE NOTE 5 ON PAGE 4 FOR CONDITIONS
LO
BASEBAND FILTER 3dB FREQUENCY
IN
NORMALIZED TO T
= +1.2V, default register settings
NOISE FIGURE vs. INPUT POWER
-70
-70
= 1500MHz
= -75dBm AND V
-20
IIP2 vs. INPUT POWER
-60
-60
vs. TEMPERATURE
INPUT POWER (dBm)
INPUT POWER (dBm)
TEMPERATURE (°C)
0
-50
-50
A
GC1
20
= +25°C
-40
-40
= 0.5V.
P-P
-30
-30
40
-20
-20
60
-10
-10
80
0
0