MAX7042(2005) データシートの表示（PDF） - Maxim Integrated
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MAX7042
(Rev.:2005)
(Rev.:2005)
Maxim Integrated
MAX7042 Datasheet PDF : 18 Pages
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308MHz/315MHz/418MHz/433.92MHz
Low-Power, FSK Superheterodyne Receiver
ABSOLUTE MAXIMUM RATINGS
HVIN to AGND or DGND .......................................-0.3V to +6.0V
AVDD, DVDD to AGND or DGND..........................-0.3V to +4.0V
FSEL1, FSEL2, LNASEL,
EN, DATA...............................(DGND - 0.3V) to (HVIN + 0.3V)
All Other Pins............................(AGND - 0.3V) to (AVDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
32-Pin Thin QFN (derate 34.5mW/°C above +70°C)....2759mW
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Maximum RF Input Power ................................................+0dBm
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, 50Ω system impedance, AVDD = DVDD = HVIN = +2.4V to +3.6V, fRF = 308, 315, 418, and 433.92MHz;
TA = -40°C to +125°C, unless otherwise noted. Typical values are at AVDD = DVDD = HVIN = +3.0V, fRF = 433.92MHz,
PRFIN ≤ -80dBm, TA = +25°C, unless otherwise noted.)
PARAMETER
Supply Voltage (3V)
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
VDD
HVIN, AVDD, and DVDD connected
to power supply
2.4
3.0
3.6
V
Supply Voltage (5V)
Supply Current
Shutdown Current (3V)
Shutdown Current (5V)
Startup Time
HVIN connected to power supply,
HVIN AVDD and DVDD unconnected from
4.5
5.0
5.5
V
HVIN, but connected together
IDD
ISHDN
ISHDN
315MHz (3V) Operating, 1x ILNA
Operating, 2x ILNA
315MHz (5V) Operating, 1x ILNA
Operating, 2x ILNA
434MHz (3V) Operating, 1x ILNA
Operating, 2x ILNA
434MHz (5V) Operating, 1x ILNA
Operating, 2x ILNA
All digital
inputs low
TA = +25°C
TA = +85°C
TA = +125°C
All digital
inputs low
TA = +25°C
TA = +85°C
TA = +125°C
6.2
6.8
6.4
7.0
mA
6.4
8.7
7.0
8.6
6.6
8.4
7.2
9.2
0.02
0.1
µA
0.85
6
0.6
1.4
µA
4
7
Time from EN = high to final signal
tON
detection; does not include
baseband filter or data-
250
µs
slicer reference settling
DIGITAL I/O
Input High Threshold
VIH
Input Low Threshold
VIL
0.9 x HVIN
V
0.1 x HVIN
V
2 _______________________________________________________________________________________
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