SP5848 Preliminary Information
PORT P1
CHARGE PUMP 2
DRIVE 2
PORT P0
CHARGE PUMP 1
DRIVE 1
Vee 1
Vee 2
RF2 INPUT
RF2 INPUT
Vcc2
RF1 INPUT
RF1 INPUT
Vcc1
CRYSTAL
CRYSTAL CAP
Vee
ENABLE
DATA
CLOCK
QP20
Figure 2 - Pin Connections
Electrical Characteristics
o
o
T
= -40 C to +80 C, Vcc = 4.5 to 5.5 V, These characteristics are guaranteed by either production test or
amb
design. They apply within the specified ambient temperature and supply voltage unless otherwise stated.
Characteristic
Pin
Value
Typ
Units
Conditions
Min
Max
Supply voltage
Supply current
7, 14
4.5
5.5
22
V
mA
18
Synthesiser 1 (UP)
RF1 input voltage
RF1 input impedance
RF1 division ratio
Reference division 1
ratio
15,16
15,16
40
300
mVrms 80 -2200MHz
See Figure 4
240
32767
See Table 1
Comparison frequency 1
Equivalent phase noise
at phase detector 1
Charge pump 1 output
current
Charge pump 1 output
leakage
Charge pump 1 drive
output current
4
MHz
-148
3
dBc/Hz SSB, within loop bandwidth, all
comparison frequencies
See Table 3
19
19
18
Vpin 19=2V
Vpin19 = 2V
10
nA
0.5
mA
Vpin 18 = 0.7V
2
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