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| MAX1479 Datasheet, PDF (2/11 Pages) Maxim Integrated Products – 300MHz to 450MHz Low-Power, Crystal-Based +10dBm ASK/FSK Transmitter | |||
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300MHz to 450MHz Low-Power,
Crystal-Based +10dBm ASK/FSK Transmitter
ABSOLUTE MAXIMUM RATINGS
VDD to GND .............................................................-0.3V to +4V
All Other Pins to GND ................................-0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
16-Pin Thin QFN (derate 14.7mW/°C above +70°C)...1176.5mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under âAbsolute Maximum Ratingsâ 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
(Typical Application Circuit, all RF inputs and outputs are referenced to 50â¦, VDD = +2.1V to +3.6V, VENABLE = VDD, TA = -40°C to
+125°C, unless otherwise noted. Typical values are at VDD = +2.7V, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
Supply Voltage
SYMBOL
VDD
CONDITIONS
MIN TYP MAX UNITS
2.1
3.6
V
PA off, VDIN at
0% duty cycle
(ASK or FSK)
(Note 2)
fRF = 315MHz
fRF = 433MHz
2.9
4.3
3.3
4.8
Supply Current
IDD
VDIN at 50% duty fRF = 315MHz
cycle (ASK)
(Notes 3, 4)
fRF = 433MHz
6.7 10.7
mA
7.3 11.4
Standby Current
DIGITAL INPUTS AND OUTPUTS
ISTDBY
VDIN at 100%
duty cycle (FSK)
VENABLE < VIL
fRF = 315MHz (Note 2)
fRF = 433MHz (Note 4)
TA = +25°C
TA < +85°C (Note 4)
TA < +125°C (Note 2)
10.5 17.1
11.4 18.1
0.2
120 300
nA
700 1600
Data Input High
VIH
(Note 2)
VDD -
V
0.25
Data Input Low
Maximum Input Current
VIL
(Note 2)
IIN
0.25
V
20
µA
Output Voltage High
VOH CLKOUT, load = 10k⦠|| 10pF (Note 4)
VDD -
0.25
V
Output Voltage Low
VOL CLKOUT, load = 10k⦠|| 10pF (Note 4)
0.25
V
2 _______________________________________________________________________________________
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