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參數(shù)資料
| 型號(hào)： | UMA1020AM |
| 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, 1700 MHz, PDSO20 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大小： | 159K |
| 代理商： | UMA1020AM |
1995 Jul 06
10
Philips Semiconductors
Product specification
Low-voltage dual frequency
synthesizer for radio telephones
UMA1020AM
Crystal reference dividers input; pin 8
f
XTAL
V
8(rms)
crystal reference input frequency
sinusoidal input signal level
(RMS value)
3
2
2
40
500
500
2047
2047
MHz
mV
mV
k
pF
5 MHz < f
XTAL
< 40 MHz 50
3 MHz < f
XTAL
< 40 MHz 100
f
XTAL
= 30 MHz
indicative, not tested
Z
I
C
I
R
pr
R
ar
input impedance (real part)
typical pin input capacitance
principal reference divider ratio
auxiliary reference divider ratio
8
8
Charge pump current setting resistor input; pin 14
R
ext
external resistor from pin 14 to
ground
regulated voltage at pin 14
12
60
k
V
14
Charge pump outputs; pins 17, 3 and 2; R
ext
= 12 k
I
Ocp
charge pump output current error
I
match
sink-to-source current matching
I
Lcp
charge pump off leakage current
V
cp
charge pump voltage compliance
R
ext
= 12 k
1.15
V
25
5
0.4
±
5
±
1
+25
+5
V
CC
0.4
%
%
nA
V
V
cp
in range
V
cp
=
1
2
V
CC
Interface logic input signal levels; pins 13, 12, 11 and 1
V
IH
V
IL
I
bias
C
I
HIGH level input voltage
LOW level input voltage
input bias current
input capacitance
0.7V
DD
0.3
5
2
V
DD
+ 0.3 V
0.3V
DD
+5
V
μ
A
pF
logic 1 or logic 0
indicative, not tested
Lock detect output signal; pin 20 open-drain output
V
OL
LOW level output voltage
I
sink
= 0.4 mA
0.4
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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