SP5668 Datasheet, PDF (2/12 Pages) Mitel Networks Corporation – 2.7GHz 3-Wire Bus Controlled Synthesiser

SP5668
13
INPUTS
RF ¹⁴
ENABLE 4
CLOCK 5
DATA 6
PROGRAMMABLE
DIVIDER
÷ 2/1
÷ 16/17
13 BIT
COUNT
PHASE
COMP
Fpd
Fcomp
REFERENCE
DIVIDER
See Table 1
DE
4 BIT
COUNT
CHARGE
PUMP
CO
18 BIT LATCH
DISABLE
1 BIT
LATCH
3 BIT LATCH
(R0,R1,R2)
Fref
REF
OSC
CRYSTAL
Q1
CRYSTAL
Q2
1 _CHARGE
PUMP
16
DRIVE
OS
1 BIT
LATCH
DATA
INTERFACE
3 BIT
LATCH AND
PORT
INTERFACE
P2 P1 P0
1 BIT
LATCH
FLOCK
LOCK
Fig. 2 SP5668 block diagram
ELECTRICAL CHARACTERISTICS
T_AMB = 120°C to +80°C, V_CC = +4.5 to +5.5V. Reference frequency = 4MHz. These characteristics are guaranteed by either
production test or design. They apply within the specified ambient temperature and supply voltage ranges unless otherwise
stated.
Characteristic
Supply current, Icc
RF input voltage
13, 14
13,14
RF input impedance
Data, Clock, Enable
Input high voltage
Input low voltage
Input high current
Input low current
Hysteresis
Clock Rate
Pin
Value
Min
Typ Max
12
13, 14 100
65
81
58
72
300
40
300
40
300
13, 14
4,5,6
3
0
6
V_CC
0.7
10
-10
400
500
Units
Conditions
mA
mA
mV_rms
mV_rms
mV_rms
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.
V
V
µA
Input voltage = V_CC
µA
Input voltage = V_EE
mV
kHz
2