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參數(shù)資料
| 型號： | UMA1018M |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | Low-voltage dual frequency synthesizer for radio telephones |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1250 MHz, PDSO20 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 166K |
| 代理商： | UMA1018M |
1995 Jun 27
9
Philips Semiconductors
Product specification
Low-voltage dual frequency
synthesizer for radio telephones
UMA1018M
CHARACTERISTICS
V
DD1
= V
DD2
= 2.7 to 5.5 V; V
CC
= 2.7 to 5.5 V; T
amb
= 25
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply; pins 4, 5 and 18
V
DD
V
CC
I
DD
digital supply voltage
analog supply voltage
principal synthesizer digital supply
current
auxiliary synthesizer digital supply
current
charge pumps and analog supply
current
current in power-down mode per
supply
V
DD1
= V
DD2
V
CC
≥
V
DD
V
DD
= 5.5 V
2.7
2.7
6.5
5.5
5.5
8.5
V
V
mA
V
DD
= 5.5 V
2.7
4.0
mA
I
CC
V
CC
= 5.5 V;
R
ext
= 12 k
logic levels 0 V or V
DD
1.2
2.0
mA
I
CCPD
,
I
DDPD
12
50
μ
A
RF principal main divider input; pin 6
f
VCO
RF input frequency
2.7 V < V
DD
< 3.5 V
2.7 V < V
DD
< 5.5 V
R
s
= 50
;
2.7 V < V
DD
< 3.5 V;
0.5 < f
VCO
< 1.25 GHz;
T
amb
=
20 to +85
°
C
R
s
= 50
;
2.7 V < V
DD
< 5.5 V;
0.5 < f
VCO
< 1.1 GHz;
T
amb
=
30 to +85
°
C
R
s
= 50
;
2.7 V < V
DD
< 5.5 V;
50 < f
VCO
< 500 MHz;
T
amb
=
30 to +85
°
C
f
VCO
= 1 GHz
indicative, not tested
50
50
50
1250
1100
225
MHz
MHz
mV
V
6(rms)
AC-coupled input signal level
(RMS value)
100
300
mV
150
300
mV
Z
I
C
I
R
pm
f
PPCmax
input impedance (real part)
typical pin input capacitance
principal main divider ratio
maximum principal phase
comparator frequency
minimum principal phase
comparator frequency
512
1
2
2000
131071
k
pF
kHz
f
PPCmin
10
kHz
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