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MAX2112
Complete, Direct-Conversion
Tuner for DVB-S2 Applications
ABSOLUTE MAXIMUM RATINGS
V CC to GND ...........................................................-0.3V to +3.9V
All Other Pins to GND.................................-0.3V to (V CC + 0.3V)
RF Input Power: RFIN .....................................................+10dBm
VCOBYP, CPOUT, XTAL, REFOUT, IOUT_, QOUT_ , IDC_,
QDC_ to GND Short-Circuit Protection...............................10s
Continuous Power Dissipation (T A = +70°C)
Operating Temperature Range (MAX2112CTI+) ......0°C to +70°C
Operating Temperature Range (MAX2112ETI+) ...-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
28-Pin Thin QFN (derated 34.5mW/°C above +70°C) ...2.75W
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
CAUTION! ESD SENSITIVE DEVICE
DC ELECTRICAL CHARACTERISTICS
(MAX2112 Evaluation Kit: V CC = +3.13V to +3.47V, T A = 0°C to +70°C (MAX2112CTI+), T A = -40°C to +85°C (MAX2112ETI+), V GC1
= +0.5V (max gain), default register settings except BBG[3:0] = 1011. No input signals at RF, baseband I/Os are open circuited.
Typical values measured at V CC = +3.3V, T A = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY
Supply Voltage
Supply Current
Receive mode, bit STBY = 0
Standby mode, bit STBY = 1
3.13
3.3
100
3
3.47
160
V
mA
ADDRESS SELECT INPUT (ADDR)
Digital Input Voltage High, V IH
Digital Input Voltage Low, V IL
Digital Input Current High, I IH
Digital Input Current Low, I IL
ANALOG GAIN-CONTROL INPUT (GC1)
2.4
-50
0.5
50
V
V
μA
μA
Input Voltage Range
Input Bias Current
Maximum gain = 0.5V
0.5
-50
2.7
+50
V
μA
VCO TUNING VOLTAGE INPUT (VTUNE)
Input Voltage Range
0.4
2.3
V
2-WIRE SERIAL INPUTS (SCL, SDA)
Clock Frequency
Input Logic-Level High
Input Logic-Level Low
0.7 x
V CC
400
0.3 x
V CC
kHz
V
V
Input Leakage Current
Digital inputs = GND or V CC
±0.1
±1
μA
2-WIRE SERIAL OUTPUT (SDA)
Output Logic-Level Low
I SINK = 1mA
0.4
V
2
Maxim Integrated
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