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Philips Semiconductors
1.3GHz low voltage fractional-N synthesizer
CHARACTERISTICS
V
= V
= +3.0V, T
= +25 C; unless otherwise specified.
DDCP
DD
amb
SYMBOL
PARAMETER
Supply; pins 3, 9
V
Digital supply voltage
DD
V
Analog supply voltage
DDCP
I
Synthesizer operational total supply current
DDTotal
I
Total supply current in power-down mode
Standby
RFin main divider input; pins 5, 6
f
VCO input frequency
VCO
V
AC-coupled input signal level
RFin(rms)
Z
Input impedance (real part)
IRFin
C
Typical pin input capacitance
IRFin
N
Main divider ratio
main
f
Maximum loop comparison frequency
PCmax
Reference divider input; pins 11, 12
f
Input frequency range from TCXO
REFin
VRFin
AC-coupled input signal level
Z
Input impedance (real part)
REFin
C
Typical pin input capacitance
REFin
R
Reference division ratio
REF
Charge pump current setting resistor input; pin 10
R
External resistor from pin to ground
SET
V
Regulated voltage at pin
SET
Charge pump outputs (including fractional compensation pump); pin 8; R
I
Charge pump current ratio to I
CP
I
Sink-to-source current matching
MATCH
I
Output current variation versus V
ZOUT
I
Charge pump off leakage current
LPH
V
Charge pump voltage compliance
PH
1999 Nov 04
CONDITIONS
V
= V
DDCP
DD
V
= +3.0V
DD
logic levels 0 or V
R
(external) = R
in
single-ended drive;
max. limit is indicative
@ 500 to 1300 MHz
f
= 1.2 GHz
VCO
f
= 1.2 GHz
VCO
indicative, not tested
single-ended drive;
max. limit is indicative
f
= 20 MHz
REF
f
= 20 MHz
REF
R
=7.5 k
SET
1
Current gain I
SET
V
=1/2 V
PH
DDCP
2
V
in compliance range
PH
PH
V
=1/2 V
PH
CC
5
MIN.
TYP.
2.7
2.7
–
6.2
–
DD
350
= 50 ;
–18
s
–
625
–
1.0
512
–
5
360
–
10
–
1.0
4
6
7.5
–
1.25
=7.5k , FC=80
SET
/I
–15
PH
SET
.
–10
–10
–10
0.7
Product specification
SA7016
MAX.
UNIT
–
5.5
V
–
5.5
V
7.3
mA
1
TBD
A
–
1300
MHz
–
0
dBm
–
–
pF
–
65535
–
4
MHz
–
40
MHz
–
1300
mV
PP
–
k
–
pF
–
1023
15
k
–
V
+15
%
+10
%
+10
%
+10
nA
–
V
–0.8 V
DDCP
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