SP5748 Advance Information
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed by either production test or design. They apply within the specified
ambient temperature and supply voltage unless otherwise stated.
TAMB = -40°C to 80°C, VCC = +4·5V to +5·5V
Characteristic
Pin
Value
Units
Min
Typ
Max
Conditions
Comparison frequency
4
MHz
Equivalent phase noise at
phase detector
-148
dBc/Hz
@10 kHz, SSB, with 2 MHz
comparison from 4 MHz crystal
reference
RF division ratio
240
131071
Reference division ratio
see figure (7)
Output ports P0-P1#
7, 8
sink current
leakage current
2
mA Vport = 0.7V
10
µA Vport = Vcc
* Reference output disabled by connecting to Vcc if not required
’ Output ports high impedance on power up, with data, clock and enable at logic 0
4