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M
DBS Direct Downconverter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND..............................................................-0.3V to +7V
All Other Pins to GND................................-0.3V to (V
CC
+ 0.3V)
RFIN+ to RFIN-, TANK+ to TANK-,
IDC+ to IDC-, QDC+ to QDC- .........................................±2V
IOUT_, QOUT_ to GND Short-Circuit Duration.......................10s
LOBUF+/PSOUT+, LOBUF-/PSOUT- Short-Circuit Duration..10s
Continuous Current (any pin other than V
CC
or GND)........20mA
DC ELECTRICAL CHARACTERISTICS
(V
CC
= +4.75V to +5.25V, V
FB
= +2.4V, C
IOUT_
= C
QOUT_
= 10pF,
FLCLK
= 2MHz, RFIN_ = unconnected, R
IOUT_
= R
QOUT_
= 10k
,
V
LOBUFSEL
= 0.5V, V
RFBAND
= V
INSEL
= V
CPG1
= V
CPG2
= +2.4V, V
PLLIN+
= V
MOD+
= +1.3V, V
PLLIN-
= V
MOD-
= +1.1V, T
A
= +25°C,
unless otherwise noted. Typical values are at V
CC
= +5V, unless otherwise noted.)
PARAMETER
SYMBOL
Operating Supply Voltage
V
CC
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.
Continuous Power Dissipation (T
A
= +70°C)
48-Pin TQFP-EP (derate 27mW/°C above +70°C)..........1.5W
Operating Temperature ..........................................0°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
XTLOUT Output DC Voltage
1.9
0.1
V
RFBAND Input Current
SLEW-RATE-LIMITED DIGITAL INPUT
(f
LCLK
)
-200
200
μA
1.44
1.8
2.16
mA
0.48
0.6
0.72
V
CPG1
≥
2.4V, V
CPG2
≥
2.4V
V
CPG1
≥
2.4V, V
CPG2
≤
0.5V
0.24
0.3
0.36
V
CPG1
≤
0.5V, V
CPG2
≥
2.4V
Operating Supply Current
STANDARD DIGITAL INPUTS
(INSEL, CPG1, CPG2, LOBUFSEL, LODIVSEL)
I
CC
195
275
mA
MIN
4.75
TYP
MAX
5.25
UNITS
V
Input Current
I
IN
-15
10
μA
Input Voltage Low
V
IL
0.5
V
Input Voltage High
V
IH
2.4
V
FLCLK Input Voltage High
FLCLK Input Voltage Low
FLCLK Input Current (Note 1)
DIFFERENTIAL DIGITAL INPUTS
(MOD+, MOD-, PLLIN+, PLLIN-)
1.85
V
V
1.45
1
-1
μA
Common-Mode Input Voltage
Input Voltage Low
Input Voltage High
Input Current (Note 1)
DIFFERENTIAL DIGITAL OUTPUTS
(LOBUF+/PSOUT+, LOBUF-/PSOUT-)
V
CMI
1.08
1.2
1.32
-100
V
mV
mV
μA
100
-5
5
Common-Mode Output Voltage
Output Voltage Low (Note 2)
Output Voltage High (Note 2)
FREQUENCY SYNTHESIZER/LO BUFFER
V
CMO
2.16
2.4
2.64
-150
V
mV
mV
150
Prescaler Ratio
Reference Divider Ratio
8
8
Charge-Pump Output High
Measured at FB
0.08
0.12
CONDITIONS
Referenced to V
CMI
Referenced to V
CMI
R
SOURCE
= 50k
, V
FLCLK
= 1.65V
Referenced to V
CMO
, LOBUFSEL
≤
0.5V
Referenced to V
CMO
, LOBUFSEL
≤
0.5V
V
CPG1
≤
0.5V, V
CPG2
≤
0.5V
(V
MOD+
- V
MOD-
)
≥
200mV, LOBUFSEL
≤
0.5V
(V
MOD+
- V
MOD-
)
≤
-200mV, LOBUFSEL
≤
0.5V
32
33
32
33
LOBUFSEL
≥
2.4V, LODIVSEL
≤
0.5V
LOBUFSEL
≥
2.4V, LODIVSEL
≥
2.4V
2
1
2
1