Philips Semiconductors
Dual low-power frequency synthesizer
Preliminary specification
UMA1005T
handbook, full pagewidth
Io
I2
I1
V1
I2
I1
V2
Vo
MBE126
Fig.8 Relative output current variation.
AC CHARACTERISTICS
VDDD = VDDA = 2.9 to 5.5 V; Tamb = −40 to +70 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Main divider (inputs INM1 and INM2)
fi(max)1
maximum input frequency
note 1
∆VINM(p-p) differential input signal
amplitude VINM1 − VINM2
(peak-to-peak value)
VCM
common mode range for
VINM1 and VINM2
tpd
propagation delay time
from INM1 and INM2 to FB1 note 1
and FB2
msr
mark-to-space ratio for
differential input signals
Zi(min)
minimum input impedance resistive; note 2
capacitive; note 2
10
30
600
1
−
−
35 : 65
5
−
TYP.
MAX. UNIT
−
−
−
−
−
−
MHz
MHz
mV
−
VDD − 1
V
−
60
ns
18
30
ns
−
65 : 35
−
−
kΩ
−
5
pF
November 1994
18