STA5620 STMicroelectronics, STA5620 Datasheet - Page 13

• Manufacturer Part Number: STA5620
• Description: IC RF FRONT END RECEIVER 32VFQFP
• Manufacturer: STMicroelectronics

Specifications of STA5620

• Modulation Or Protocol: GPS
• Current - Receiving: 19mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.5 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VFQFN
• Pin Count: 32
• Screening Level: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Frequency: -
• Applications: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

STA5620
Table 5.
Crystal oscillator – Integer-N synthesizer – VCO
ADC – Output signals – GPS clock
V
t
PN
NF
VSWR
P
Symbol
AGC_CTRL
START-UP
τ
ΔI
f
G
IFF
IFF
PN
τ
P
F
τ
XTAL_IN
K
CLOCK
I
R
N
CLOCK
ΔG
f
CP
IRR
F
SENS
ADC
XTAL
VCO
SIGN
_RF-IF
_1dB
V
CP
MAG
DIV
DIV
LO
3dB
ATT
PLL
(1)
(1)
C
(1)
(1)
IN
VGA range
AGC Control Voltage Range
VGA sensitivity
RF-IF-VGA noise figure
RF-IF-VGA 1dB input
compression point
Mixer image rejection ratio
IF filter cut-off frequency
IF filter out of band attenuation
RFA Input voltage stat. wave ratio
XTAL frequency
XTAL oscillator start-up time
Reference input signal sensitivity
Reference divider range
LO operating frequency
VCO divider range
VCO gain
VCO phase noise
PLL phase noise
Charge pump current
Charge pump current steps
ADC sampling frequency
MAG duty cycle
SIGN duty cycle
Output clock frequency
Output clock duty cycle
Electrical characteristics (continued)
(V
CC
= 2.7 V, T
Parameter
J
= 25 °C unless otherwise noted)
Set V
for maximum gain
f = 4.092 MHz
VGA at max gain
VGA at min gain
f = 2 to 6 MHz
f = 12.276 MHz
Z
XTAL_IN pin DC
blocked.
No crystal mounted.
XTAL_OUT load
<10 pF.
f = 1571.328 MHz
100 kHz offset
1 kHz offset
Internally regulated
S
Test conditions
= 50 Ω
AGC_CTRL
< 0.3 V
Min
20
10
56
50
0
1
1571.328
16.368
16.368
Typ
300
Electrical specifications
4.5
-57
-20
-65
55
20
50
33
50
50
6
4095
Max
200
Vcc
-80
2:1
36
40
10
63
dBc/Hz
dBc/Hz
MHz/V
msec
dB/V
dBm
MHz
MHz
dBm
MHz
MHz
MHz
Unit
dB
dB
dB
dB
µA
µA
%
%
%
V
-
-
-
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