SP5669_97 Datasheet, PDF (2/12 Pages) Mitel Networks Corporation – 2.7GHz I2C Bus Controlled Synthesiser

SP5669
13
RF
INPUTS
PRE
AMP
14
PROGRAMMABLE
DIVIDER
2/1
16/17
13 BIT
COUNT
F_comp
F_ref
F_{pd PHASE}
COMP
REFERENCE
DIVIDER
(see Fig. 3)
LOCK
DETECT
4 BIT
COUNT
CHARGE
PUMP
3 _REF/COMP
OSC 2 ^CRYSTAL
1
CHARGE
PUMP
16 _DRIVE
PE
1 BIT
LATCH
17 BIT LATCH
DIVIDE RATIO
2 BIT
LATCH
4 BIT
LATCH
ADDRESS ⁴
SDA ⁵
SCL ⁶
ADC ¹¹
I ²C
F_L
TRANSCEIVER
POR
POWER ON
DETECT
3 BIT ADC
F_PD /2
4 BIT
LATCH AND
PORT
INTERFACE
5 BIT LATCH and
MODE CONTROL
LOGIC
(see Fig. 5)
P0 TEST
CONTROL
15 _VEE
12 _VCC
7
PORT P3
8
9
10
PORT P2 PORT P1 PORT P0
Fig. 2 Block diagram
ELECTRICAL CHARACTERISTICS
T amb = –20°C to +80°C, V _CC = +4.5V 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.
Characteristics
Pin
Supply current, I _CC
12
RF input voltage
13, 14
13, 14
13,14
RF input impedance
RF input capacitance
13, 14
13, 14
Value
Min
Typ
68
58
40
100
50
50
2
Units
Conditions
Max
85
mA
V _CC = 5V prescaler enabled, PE = 1
73
mA
V _CC = 5V prescaler disabled, PE = 0
300
mV rms 300MHz to 2.7GHz Prescaled
enabled, PE = 1, See Fig. 7b.
300
mV rms 80MHz Prescaler enabled,
PE=1, See Fig. 7b.
300
mV rms 80MHz to 2.0GHz Prescaler
disabled, PE = 0, See Fig. 7a.
Ω
Refer to Fig. 13
pF
Refer to Fig. 13
2