MAX2112CTI+ Maxim Integrated Products, MAX2112CTI+ Datasheet - Page 3

• 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

AC ELECTRICAL CHARACTERISTICS
(MAX2112 Evaluation Kit: V
register settings except BBG[3:0] = 1011. Typical values measured at V
MAIN SIGNAL PATH PERFORMANCE
Input Frequency Range
RF Gain-Control Range (GC1)
Baseband Gain-Control Range
In-Band Input IP3
Out-of-Band Input IP3
Input IP2
Adjacent Channel Protection
Noise Figure
Minimum RF Input Return Loss
BASEBAND OUTPUT CHARACTERISTICS
Nominal Output Voltage Swing
I/Q Amplitude Imbalance
I/Q Quadrature Phase Imbalance
S i ng l e- E nd ed I/Q Outp ut Im p ed ance Real Z
Output 1dB Compression Voltage
Baseband Highpass -3dB
Frequency Corner
BASEBAND LOWPASS FILTERS
Filter Bandwidth Range
Rejection Ratio
Group Delay
Ratio of In-Filter-Band to Out-of-
Filter-Band Noise
FREQUENCY SYNTHESIZER
RF-Divider Frequency Range
RF-Divider Range (N)
Refer ence- D i vi d er Fr eq uency Rang e
Reference-Divider Range (R)
Phase-Detector Comparison
Frequency
VOLTAGE-CONTROLLED OSCILLATOR AND LO GENERATION
Guaranteed LO Frequency Range
LO Phase Noise
PARAMETER
_______________________________________________________________________________________
CC
= +3.13V to +3.47V, T
(Note 2)
0.5V < V
Bits GC2 = 1111 to 0000
(Note 3)
(Note 4)
(Note 5)
(Note 6)
V
adjusted to give a 1V
-75dBm CW input tone at 1500MHz
Starting with the same BBG[3:0] setting as above, V
is adjusted to back off RF gain by 10dB (Note 7)
925MHz < f
R
Measured at 500kHz; filter set to 22.27MHz
Measured at 500kHz; filter set to 22.27MHz
Differential
47nF capacitors at IDC_, QDC_
At 2 x f
Up to 1dB bandwidth
f
112.5MHz
f
f
f
INBAND
OFFSET
OFFSET
OFFSET
GC1
LOAD
is set to 0.5V (maximum RF gain) and BBG[3:0] is
O
-3dB
= 2kΩ//10pF
, from 1MHz to 40MHz
= 10kHz
= 100kHz
= 1MHz
GC1
= 100Hz to 22.5MHz, f
RF
Tuner for DVB-S2 Applications
< 2.7V
< 2175MHz, in 75Ω system
A
Complete, Direct-Conversion
= 0°C to +70°C (MAX2112CTI+), T
P-P
CONDITIONS
baseband output level for a
OUTBAND
CC
= +3.3V, T
= 87.5MHz to
A
= +25°C.) (Note 1)
A
GC1
= -40°C to +85°C (MAX2112ETI+), default
MIN
925
925
925
0.5
65
13
19
12
12
4
1
TYP
-100
-122
+15
+40
400
-97
+2
73
15
25
12
30
39
37
25
8
9
1
3
MAX
2175
2175
2175
251
3.5
±1
12
40
30
30
1
D eg r ees
dBc/Hz
UNITS
MHz
dBm
dBm
dBm
MHz
MHz
MHz
MHz
MHz
V
V
dB
dB
dB
dB
dB
dB
Hz
dB
dB
ns
Ω
P-P
P-P
3