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Integrated L1-Band GPS Receiver
ABSOLUTE MAXIMUM RATINGS
V CC Pins to GND ...................................................-0.3V to +3.3V
V CC Pins to Each Other .........................................-0.3V to +0.3V
FILT to GND................................................-0.3V to (V CC + 0.3V)
CMOS Inputs to GND (SHDN, SCLK,
CS , SDI).................................................+0.3V to (V CC + 0.3V)
CMOS Outputs to GND (CLKOUT,
GPSIF_, SDO).........................................-0.3V to (V CC + 0.3V)
RFIN to GND...............................................-0.3V to (V CC + 0.3V)
Crystal Inputs to GND (XTAL, REFCLK).....-0.3V to (V CC + 0.3V)
Maximum RF Input Power...................................................0dBm
Continuous Power Dissipation (T A = +85°C)
28-Pin Thin QFN (derate 20.8mW/°C above +70°C) .1000mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
First IF Filter I/O to GND (IFOUT±, IFIN±).....-0.3V to (V CC + 0.3V)
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.
CAUTION! ESD SENSITIVE DEVICE
DC ELECTRICAL CHARACTERISTICS
(Operating conditions (unless otherwise specified): V CC = 2.7V to 3.0V; REFCLK driven with 10MHz sinusoid, 1.2V P-P ; registers set
according to mode; no RF input signal; digital baseband outputs left open; T A = -40°C to +85°C. Typical values are measured at V CC =
2.75V, T A = +25°C.)
PARAMETER
Supply Voltage
Supply Current
CONDITIONS
Normal operation (T A = +25°C)
Standby (V SHDN = V IL , SYNTH:D8 = 0)
MIN
2.7
TYP
30
0.7
MAX
3.0
42
UNITS
V
mA
Input-Logic High Threshold
Input-Logic Low Threshold
V CC -
0.1
0.1
V
V
Input-Logic High/Low Current
-10
+10
μA
Output-Logic High
Output-Logic Low
I LOAD = 100μA
I LOAD = 100μA
V CC -
0.3
0.3
V
V
AC ELECTRICAL CHARACTERISTICS
(Operating conditions (unless otherwise specified): V CC = 2.7V to 3.0V for T A = -40°C to +85°C; REFCLK driven at 10MHz sinusoid,
1.2V P-P ; registers set according to mode; using the Typical Application Circuit ; CW RF signal at 1575.42MHz. Typical values are mea-
sured at V CC = 2.75V, T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
1st CONVERSION STAGE (RF TO 1st IF)
RF Frequency
L1-band
1575.42
MHz
RF Conversion Gain
Noise Figure
Input IP3
RF Image Rejection
LO Leakage at RF
(Note 1)
Mid-gain (CONFIG1:D4–D0 = 10000)
(Note 2)
(Notes 3, 4)
LO to RFIN pin
15
20
21
4.7
-30
35
-90
32
dB
dB
dBm
dB
dBm
2
_______________________________________________________________________________________
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