MAX2742(2004) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2742 Datasheet PDF : 8 Pages
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Single-Chip Global Positioning System
Receiver Front-End
ABSOLUTE MAXIMUM RATINGS
VDD to GND ...........................................................-0.3V to +3.7V
All Other Pins to GND.................................-0.3V to (VDD + 0.3V)
RF LNA Input Power .......................................................+10dBm
Continuous Power Dissipation (TA = +70°C)
48-Pin TQFP-EP (derate 12.5mW/°C above +70°C) ....100mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Soldering Temperature (10s) ...........................................+300°C
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
(MAX2742 EV kit, VDD = +2.4V to +3.6V, SHDN = VDD, TA = -40°C to +85°C. Typical values are at VDD = +3V and TA = +25°C,
unless otherwise noted.)
PARAMETER
Supply Voltage
Supply Current
Logic-Input High Voltage
Logic-Input Low Voltage
Logic-Input Bias Current
CONDITIONS
VDD = +3.0V, TA = +25°C (Note 1)
Shutdown mode
MIN TYP
2.4
14
10
VDD - 0.5
-40
MAX
3.6
20
0.5
+40
UNITS
V
mA
µA
V
V
µA
AC ELECTRICAL CHARACTERISTICS
(MAX2742 EV kit, VDD = +2.4V to +3.6V, SHDN = VDD, TA = -40°C to +85°C. Typical values are at VDD = +3V and TA = +25°C,
unless otherwise noted.)
PARAMETER
GENERAL PERFORMANCE
Maximum Conversion Gain
Input Frequency
Noise Figure
Return Loss (S11)
LNA/Mixer Input IP3
Output IF Frequency
OUTPUT STAGE
Output Rise/Fall Time
Output-Voltage-Level Low
Output-Voltage-Level High
CONDITIONS
(Notes 2, 3)
Measured at quantizer input
f1 = 1.5MHz and f2 = 2.0MHz above carrier frequency
Differential (VOUT+, VOUT-), CL < 20pF
Single ended (DOUT), CL < 20pF
Differential
Single ended
Differential
Single ended
MIN TYP MAX UNITS
102
117
1575.42
4.5
-15
-32
1.023
dB
MHz
dB
dB
dBm
MHz
25
ns
5
VDD - 0.9
V
0
VDD
V
2 _______________________________________________________________________________________
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