
Complete 450MHz Quadrature Transmitter
ABSOLUTE MAXIMUM RATINGS
V CC , RFOUT, V CCIFCP , V CCRFCP ,
V CCDRV to GND.................................................-0.3V to +3.6V
DI, SCLK, CS , GC, SHDN , TXGATE , IDLE ,
LOCK to GND.........................................-0.3V to (V CC + 0.3V)
AC Input Pins (IFIN_, Q_, I_, TANK_, REF,
RFPLL, LO) to GND.....................................................1V Peak
Continuous Power Dissipation (T A = +70 ° C)
48-Pin Thin QFN (derate 38.5mW/ ° C above +70 ° C).....3077mW
Operating Temperature Range ...........................-40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
Digital Input Current ( SHDN , TXGATE , IDLE ,
SCLK, DI, CS ) ...............................................................±10mA
CAUTION! ESD SENSITIVE DEVICE
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.
DC ELECTRICAL CHARACTERISTICS
(V CC = +2.7V to +3.3V, SHDN = IDLE = TXGATE = high, V GC = 2.5V, R BIAS = 10k ? , registers set according to Table 1, f REF =
19.2MHz, no AC signals applied, T A = -40 ° C to +85 ° C. Typical values are at V CC = +3.0V, T A = +25 ° C, unless otherwise noted.)
(Note 1)
PARAMETER
Supply Voltage Range
V CC
CONDITIONS
MIN
2.7
TYP
MAX
3.3
UNITS
V
V GC = 0.6V
V GC = 1.95V
P RFOUT = +5.5dBm, IFG[2:0] = 011
53
57
118
79
87
Operating Supply Current
P RFOUT = +8dBm, IFG[2:0] = 011
Addition for IFLO buffer
IDLE = low
TXGATE = low
134
3.4
6
5
7.7
10
7
mA
Sleep-Mode Supply Current
SHDN = 0V
0.5
20
μA
Logic-High Voltage
Logic-Low Voltage
0.7 x V CC
0.3 x V CC
V
V
Logic Input Current
-5
+5
μA
GC Input Current
GC Input Current During Shutdown
V GC = 0.5V to 2.5V
SHDN = low, V GC = 2.5V
3.3
7
5
11
μA
μA
Lock Indicator High Voltage (Locked)
Lock Indicator Low Voltage (Unlocked)
47k ? pullup load
47k ? pullup load
V CC -
0.4V
0.5
V
V
2
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