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MAX1473
315MHz/433MHz ASK Superheterodyne
Receiver with Extended Dynamic Range
ABSOLUTE MAXIMUM RATINGS
V DD5 to AGND.......................................................-0.3V to +6.0V
AVDD to AGND .....................................................-0.3V to +4.0V
DVDD to DGND .....................................................-0.3V to +4.0V
AGND to DGND.....................................................-0.1V to +0.1V
IRSEL, DATAOUT, XTALSEL, AGCDIS,
PWRDN to AGND .....................................-0.3V to (V DD5 + 0.3V)
All Other Pins to AGND ..............................-0.3V to (V DD + 0.3V)
Continuous Power Dissipation (T A = +70 ° C)
28-Pin TSSOP (derate 12.8mW/°C above +70°C) .1025.6mW
32-Pin Thin QFN (derate 21.3mW/°C
above +70°C).........................................................1702.1mW
Operating Temperature Ranges
MAX1473E__ ..................................................-40°C to +85°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering 10s) ..................................+300°C
Soldering Temperature (reflow) .......................................+260°C
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 (3.3V OPERATION)
(Typical Application Circuit, V DD = 3.0V to 3.6V, no RF signal applied, T A = -40°C to +85°C, unless otherwise noted. Typical values
are at V DD = 3.3V and T A = +25°C.) (Note 1)
PARAMETER
Supply Voltage
SYMBOL
V DD
CONDITIONS
3.3V nominal supply
MIN
3.0
TYP
3.3
MAX
3.6
UNITS
V
Supply Current
Shutdown Supply Current
I DD
I PWRDN
V P WRDN = V DD
V P WRDN = 0V,
V XTALSEL = 0V
f RF = 315MHz
f RF = 433MHz
f RF = 315MHz
f RF = 433MHz
5.2
5.8
1.6
2.5
6.23
6.88
5.3
mA
μA
Input Voltage Low
Input Voltage High
Input Logic Current High
V IL
V IH
I IH
f RF = 433MHz, V IRSEL = V DD
V DD - 0.4
10
0.4
V DD - 0.4
V
V
μA
Image Reject Select (Note 2)
f RF = 375MHz, V IRSEL = V DD /2
1.1
V DD - 1.5
V
f RF = 315MHz, V IRSEL = 0V
0.4
DATAOUT Voltage Output Low
DATAOUT Voltage Output High
V OL
V OH
R L = 5k ?
V DD - 0.4
0.4
V
V
19-2748; Rev 6; 1/12
2
Maxim Integrated
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