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參數(shù)資料
| 型號： | SA8027W |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | 2.5 GHz low voltage, low power RF fractional-N/IF integer frequency synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2500 MHz, PQCC24 |
| 封裝： | PLASTIC, BCC-24 |
| 文件頁數(shù)： | 6/22頁 |
| 文件大?。?/td> | 231K |
| 代理商： | SA8027W |
Philips Semiconductors
Product data
SA8027
2.5 GHz low voltage, low power
RF fractional-N/IF integer frequency synthesizer
2001 Aug 21
6
CHARACTERISTICS
V
DDCP
= V
DD
= +3.0 V,
T
amb
= +25
°
C;
unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
DD
Digital supply voltage
2.7
–
3.6
V
V
DDCP
Analog supply voltage
V
DDCP
V
DD
2.7
–
3.6
V
I
Total
Synthesizer operational supply current
V
= +3.0 V
(with main and aux on)
–
7.7
–
mA
I
Standby
Total supply current in power-down mode
logic levels 0 or V
DD
–
1
–
μ
A
RFin main divider input
f
VCO
VCO input frequency
500
–
2500
MHz
V
RFin
AC-coupled input signal level
R
in
(external) = R
s
= 50
;
single-ended drive;
max. limit is indicative
@ 500 to 2500 MHz
–18
–
0
dBm
80
–
632
mV
PP
Z
RFin
Input impedance (real part)
f
VCO
= 2.4 GHz
–
300
–
C
RFin
Typical pin input capacitance
f
VCO
= 2.4 GHz
–
1
–
pF
N
main
Main divider ratio
512
–
65535
f
PCmax
Maximum loop comparison frequency
indicative, not tested
–
–
4
MHz
AUX divider input
f
AUXin
Input frequency range
100
–
550
MHz
V
AUXin
AC coupled input signal level
AC-coupled input signal level
R
(
= 50
;
max. limit is indicative
–15
–
0
dBm
112
–
632
mV
PP
Z
AUXin
Input impedance (real part)
f
VCO
= 500 MHz
–
3.9
–
k
C
AUXin
Typical pin input capacitance
f
VCO
= 500 MHz
–
0.5
–
pF
N
AUX
Auxiliary division ratio
128
–
16383
Reference divider input
f
REFin
Input frequency range from TCXO
5
–
40
MHz
V
REFin
AC-coupled input signal level
single-ended drive;
max. limit is indicative
360
–
1300
mV
PP
Z
REFin
Input impedance (real part)
f
REF
= 20 MHz
–
10
–
k
C
REFin
Typical pin input capacitance
f
REF
= 20 MHz
–
1
–
pF
R
REF
Reference division ratio
SA = SM = ”000”
4
–
1023
Charge pump current setting resistor input
R
SET
External resistor from pin to ground
6
7.5
15
k
V
SET
Regulated voltage at pin
R
SET
= 7.5 k
–
1.22
–
V
Charge pump outputs; R
SET
= 7.5 k
Charge pump current ratio to I
SET1
I
CP
Current gain = I
PH
/I
SET
–15
+15
%
I
MATCH
Sink-to-source current matching
V
PH
= 1/2 V
DDCP
–10
+10
%
I
ZOUT
Output current variation versus V
PH2
V
PH
in compliance range
–10
+10
%
I
LPH
Charge pump off leakage current
V
PH
= 1/2 V
DDCP
–10
+10
nA
V
PH
Charge pump voltage compliance
0.6
–
V
DDCP
–0.7
V
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