PT9120_10 Datasheet, PDF (10/12 Pages) Princeton Technology Corp – GPS Receiver RF Front End IC

PT9120
ELECTRICAL CHARACTERISTICS
(Unless otherwise noted, AVDD=DVDD=2.5V, AVSS=DVSS=0V, T_A=25℃)
Parameter
Symbol
Conditions
DC
AVDD (analog)
AVDD
-
DVDD (digital)
DVDD
-
PVDD (antenna)
PVDD
-
AVDD fully active current
I_AVDD
-
DVDD fully active current
I_TVDD
-
Sleep current (AVDD and DVDD)
I_SLEEP
AVDD + DVDD
Antenna Detector and Switch
Low trip voltage
High trip voltage
Maximum switch current
LNA
ANT_VL
ANT_VH
I_PDD
-
-
PVDD = 2.2V
Gain
Noise figure ^(NOTE)
G_LNA
NF_LNA
power gain, noise matched
power gain, noise matched
RF Mixer
Conversion gain
SSB noise figure
IF Strip
G_MIX
NF_MIX
voltage gain, no load
-
1st IF filter voltage gain
G_IFFLT
ADC SGN duty cycle
D_SGN
ADC MAG duty cycle
D_MAG
Frequency Synthesizer (Local Oscillator)
Unloaded
-
-
VCO frequency range
-
-
VCO gain
SSB phase noise
G_VCO
NF_VCO
-
100KHz offset, 50KHz loop
bandwidth setting
Digital Interface
Input logic HIGH level
V_IH
Input logic LOW level
V_IL
Output logic HIGH level
V_OH
Output logic LOW level
V_OL
Output rise time
T_RISE
Output fall time
T_FALL
Note: Depend on PCB layout and matching components.
DVDD=2.5V
DVDD=2.5V
DVDD=2.5V
DVDD=2.5V
Cload=15pF
Cload=15pF
Min.
2.2
1.6
2.2
-
--
-
20
12
15
16
8
10
1.35
400
-65
2
2.25
-
-
-
Typ.
Max.
Unit
2.5
3.6
V
AVDD + 0.2 V
3.6
V
6.4
7.0
mA
800
1000
µA
-
1
µA
36
mV
300
400
mV
-
-
mA
18
20
dB
1.5
2.0
-
17
18
dB
9
10
dB
15
-
dB
50
-
%
33
-
%
1.9
GHz
550
-
MHz/V
-70
-
dBc/H
z
2.7
V
0
0.5
V
2.5
V
0
0.25
V
-
10
ns
-
10
ns
PRE1.3
10