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MAX1470 查看數據表(PDF) - Maxim Integrated

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MAX1470 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
315MHz Low-Power, +3V Superheterodyne
Receiver
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND ......................................................-0.3V to +4.0V
DVDD to DGND......................................................-0.3V to +4.0V
All Other Pins Referenced to AGND...........-0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
28-Pin TSSOP (derate 13mW/°C above +70°C) .........1039mW
Operating Temperature Range
MAX1470EUI ...................................................-40°C to +85°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°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
(Typical Application Circuit, VDD = +3.0V to +3.6V, no RF signal applied, TA = -40°C to +85°C. Typical values are at VDD = +3.3V, TA
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
Supply Voltage
Supply Current
Shutdown Supply Current
PWRDN Voltage Input Low
PWRDN Voltage Input High
DATAOUT Voltage Output Low
DATAOUT Voltage Output High
SYMBOL
VDD
IDD
ISHUTDOWN
VIL
CONDITIONS
PWRDN = VDD
PWRDN = GND
VIH
VOL
IDATAOUT = 100µA
VOH
IDATAOUT = -100µA
MIN
3.0
VDD -
0.4
VDD -
0.4
TYP
5.5
1.25
MAX
3.6
0.4
UNITS
V
mA
µA
V
V
0.4
V
V
AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, all RF inputs and outputs are referenced to 50, VDD = +3.3V, TA = +25°C, fRFIN = 315MHz, unless oth-
erwise noted.) (Note 1)
PARAMETER
GENERAL CHARACTERISTICS
Maximum Startup Time
Maximum Receiver Input Level
Minimum Receiver Input Level,
315MHz
Minimum Receiver Input Level,
433.92MHz
Receivers
LOW-NOISE AMPLIFIER (LNA)
Input Impedance
1dB Compression Point
Input-Referred 3rd-Order
Intercept
LO Signal Feedthrough to
Antenna
SYMBOL
CONDITIONS
TON
RFINMAX
RFINMIN
fRFIN
Time from PWRDN deasserting to valid data
out
Modulation depth 60dB
Average carrier power level (Note 2)
Peak power level (Note 2)
Average carrier power level (Note 2)
Peak power level (Note 2)
S11LNA Normalized to 50(Note 3)
P1dBLNA
IIP3LNA
Output Impedance
S22LNA Normalized to 50
MIN TYP MAX UNITS
250
0
-115
-109
-110
-104
250 to 500
1 - j4
-22
-18
-95
0.12 -
j4.4
µs
dBm
dBm
dBm
MHz
dBm
dBm
dBm
2 _______________________________________________________________________________________
 

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