Philips Semiconductors
Product specification
1GHz low-voltage Fractional-N synthesizer
SA7025
TYPICAL PERFORMANCE CHARACTERISTICS
8.5
8
11
V
= V
DDA
= V
DD
V
= V
DDA
= V
DD
10
9
CCP
EA=0, EM=1, Note5
CCP
EM = EA = 1, Note5
7.5
7
6.5
6
8
5.5
5
7
t = –40°C
t = 25°C
t = 85°C
t = –40°C
t = 25°C
t = 85°C
6
4.5
5
4
2.7
3.5
4.5
5.5
SR00611
2.7
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SR00614
Figure 12. Operational Supply Current vs Supply Voltage and
Temperature
Figure 15. Main Operational Supply Current vs Supply Voltage
and Temperature
7
3.5
V
= 3V, V
= 5V
V
= V
DDA
= V
DD
6
5
4
3
2
1
DD
DDA
CCP
EA=0, EM=1, Note5
Pin = –10dBm,
3
2.5
2
ref divider halted
t = –40°C
t = 25°C
t = 85°C
t = –40°C
t = 25°C
t = 85°C
1.5
1
2.7
3.5
4.5
5.5
50
100
AUXILIARY INPUT FREQUENCY (MHz)
150
SUPPLY VOLTAGE (V)
SR00612
SR00615
Figure 13. Auxiliary Operational Supply Current vs Supply
Voltage and Temperature
Figure 16. Auxiliary Operational Supply Current vs Frequency
and Temperature
20
20
0
0
–20
–40
–60
V
= V
CCP
DD
2.7V
3.5V
t=–40°C
t=25°C
t=85°C
4.5V
5.5V
–20
–40
–60
T
= 25°C,
A
V
= V = 3V
CCP
DD
N=3971.625
N = 3971.625
FREQUENCY (MHz)
FREQUENCY (MHz)
SR00616
SR00613
Figure 14. Main Divider Input Power vs frequency and Supply
Figure 17. Main Divider Input Power vs Frequency and
Temperature
16
1996 Aug 6
NXP [ NXP ]
