sp5668 ETC-unknow, sp5668 Datasheet - Page 2

• Manufacturer Part Number: sp5668
• Description: 2.7ghz 3-wire Controlled Synthesiser
• Manufacturer: ETC-unknow

SP5668
Electrical Characteristics
either production test or design. They apply within the specified ambient temperature and supply voltage ranges unless
otherwise stated.
2
Supply current, Icc
RF input voltage
RF input impedance
Data, Clock, Enable
T
AMB
ENABLE
CLOCK
INPUTS
DATA
RF
Characteristic
Input high voltage
Input low voltage
Input high current
Input low current
= 120 C to +80 C, V
Hysteresis
Clock Rate
13, 14
13,14
14
4
5
6
13
Preliminary Information
2/1
PROGRAMMABLE
DE
CC
DIVIDER
= +4.5 to +5.5V. Reference frequency = 4MHz. These characteristics are guaranteed by
13, 14
13, 14
4,5,6
Pin
12
40
40
6
16/17
DISABLE
INTERFACE
Min
100
DATA
Figure 2 - SP5668 block diagram
3
0
18 BIT LATCH
COUNT
4 BIT
Value
Typ
400
65
58
COUNT
13 BIT
LATCH AND
INTERFACE
P2 P1 P0
Max
300
300
300
V
500
0.7
-10
81
72
10
F pd
PORT
3 BIT
CC
PHASE
CHARGE
COMP
LATCH
PUMP
1 BIT
Units
mV
mV
mV
CO
kHz
mA
mA
mV
V
V
F comp
A
A
rms
rms
rms
LATCH
1 BIT
3 BIT LATCH
Vcc = 5V Prescaler enabled, PE = 1
Vcc = 5V Prescaler disabled, PE = 0
100MHz Prescaler enabled, PE = 1
See Fig. 5b.
300MHz - 2.7GHz Prescaler enabled,
PE = 1, See Fig. 5b.
100MHz to 2.0GHz Prescaler
disabled, PE = 0, See Fig. 5a
See Fig. 4.
Input voltage = V
Input voltage = V
(R0,R1,R2)
REFERENCE
See Table 1
DIVIDER
Conditions
FLOCK
LOCK
F ref
CC
EE
LATCH
1 BIT
OSC
OS
16
1
CRYSTAL
CRYSTAL
CHARGE
DRIVE
REF
PUMP
Q1
Q2