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參數(shù)資料
| 型號(hào)： | LTC6902IMS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | XO, clock |
| 英文描述： | Multiphase Oscillator with Spread Spectrum Frequency Modulation |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, PDSO10 |
| 封裝： | PLASTIC, MSOP-10 |
| 文件頁(yè)數(shù)： | 4/16頁(yè) |
| 文件大?。?/td> | 212K |
| 代理商： | LTC6902IMS |
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LTC6902
4
6902f
ELECTRICAL CHARACTERISTICS
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
Frequencies near 100kHz and 1MHz may be generated using two
different values of R
SET
(see Applications Information). For these
frequencies, the error is specified under the following assumption:
20k < R
SET
≤
400k for 5kHz
≤
f
OUT
≤
10MHz.
Note 3:
Frequency accuracy is defined as the deviation from the f
OUT
equation.
Note 4:
Jitter is the ratio of the peak-to-peak distribution of the period to
the mean of the period. This specification is based on characterization and
is not 100% tested.
Note 5:
Guaranteed by 5V test.
Note 6:
To conform with the Logic IC Standard convention, current out of
a pin is arbitrarily given as a negative value.
Note 7:
Output rise and fall times are measured between the 10% and the
90% power supply levels with no output loading. These specifications are
based on characterization.
Note 8:
f
MAX
is defined as the highest frequency excursion and is equal to
the f
OUT
frequency set by the R
SET
resistor. f
MIN
is the lowest frequency
excursion.
Note 9:
The LTC6902CMS and LTC6902IMS are guaranteed functional
over the operating temperature range of –40
°
C to 85
°
C.
Note 10:
The LTC6902CMS is guaranteed to meet 0
°
C to 70
°
C specifica-
tions and are designed, characterized and expected to meet the specified
performance from –40
°
C to 85
°
C but is not tested or QA sampled at these
temperatures. The LTC6902IMS is guaranteed to meet specified perfor-
mance from –40
°
C to 85
°
C.
Output Resistance
vs Supply Voltage
Frequency Variation vs R
SET
Frequency Variation Over
Temperature
Peak-to-Peak Jitter vs Output
Frequency (M = 1, 2-Phase Mode)
Supply Current vs Output
Frequency [SSFM Disabled,
2-Phase Mode (M = 1)]
TYPICAL PERFOR U
R
SET
(
)
1k
V
4
3
2
1
0
–1
–2
–3
–4
10k
100k
1M
6902 G01
TYPICAL LOW
TYPICAL HIGH
T
= 25
°
C
GUARANTEED LIMITS APPLY OVER
20k
≤
R
SET
≤
400k
TEMPERATURE (
°
C)
–40
V
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
6902 G02
–20
0
20
40
60
80
TYPICAL
LOW
R
= 63.4k
÷
1 OR
÷
10 OR
÷
100
TYPICAL
HIGH
OUTPUT FREQUENCY (Hz)
J
P
)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
6902 G03
1k
100k
1M
10k
10M
÷
1, V
A
= 3V
÷
1, V
A
= 5V
÷
10
÷
100
SUPPLY VOLTAGE (V)
2.5
3.0
40
O
)
80
140
3.5
4.5
5.0
6902 G05
60
120
100
4.0
5.5
6.0
OUTPUT SINKING CURRENT
OUTPUT SOURCING CURRENT
T
A
= 25
°
C
OUTPUT FREQUENCY (Hz)
1.0
S
2.0
3.0
3.5
1k
100k
1M
10M
6902 G04
0
10k
2.5
1.5
0.5
÷
100, 5V
÷
10, 5V
÷
10, 3V
÷
1, 3V
÷
1, 5V
÷
100, 3V
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