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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)： | 2/16頁(yè) |
| 文件大?。?/td> | 212K |
| 代理商： | LTC6902IMS |
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LTC6902
2
6902f
SYMBOL
f
OUT
PARAMETER
Frequency Accuracy (Notes 2, 3)
CONDITIONS
V
+
= 5V
MIN
TYP
±
0.5
±
2.0
±
3.0
MAX
±
1.5
UNITS
5kHz
≤
f
OUT
≤
10MHz
1kHz
≤
f
OUT
≤
5kHz
10MHz
≤
f
OUT
≤
20MHz
5kHz
≤
f
OUT
≤
10MHz, LTC6902C
5kHz < f
OUT
≤
10MHz, LTC6902I
5kHz
≤
f
OUT
≤
10MHz
1kHz
≤
f
OUT
≤
5kHz
5kHz
≤
f
OUT
≤
10MHz, LTC6902C
5kHz
≤
f
OUT
≤
10MHz, LTC6902I
f
OUT
< 1.5%, V
+
= 5V
f
OUT
< 1.5%, V
+
= 2.7V
R
SET
= 63.2k
%
%
%
%
%
%
%
%
%
k
k
G
G
G
±
4.0
±
2.0
±
2.5
±
1.5
V
+
= 2.7V
±
0.5
±
2.0
G
G
±
2.0
±
2.5
400
400
R
SET
Frequency Setting Resistor Range
G
G
20
20
f
OUT
/
T
Frequency Drift Over Temperature
(Note 3)
Frequency Drift Over Supply (Note 3) V
+
= 2.7V to 5V, R
SET
= 63.2k
Timing Jitter (Note 4)
G
±
0.004
%/
°
C
f
OUT
/
V
G
0.04
0.12
%/V
20k
≤
R
SET
≤
400k
Pin 2 = V
+
(N = 100)
Pin 2 = Open (N = 10)
Pin 2 = 0V (N = 1)
0.1
0.2
0.6
300
%
%
%
Long-Term Stability of
Output Frequency
Duty Cycle (Note 5)
ppm/
√
kHr
Pin 2 = V
+
or Open (N = 100 or 10)
Pin 3 = 0V (2-Phase, M = 1)
Pin 3 = Open (3-Phase, M = 3)
Pin 3 = V
+
(4-Phase, M = 4)
Pin 2 = 0V (N = 1)
Pin 3 = 0V (2-Phase, M = 1)
Pin 3 = Open (3-Phase, M = 3)
Pin 3 = V
+
(4-Phase, M = 4)
G
G
G
49.0
32.3
49.0
50.0
33.3
50.0
51.0
34.3
51.0
%
%
%
G
G
G
45.0
32.3
49.0
50.0
33.3
50.0
55.0
34.3
51.0
%
%
%
(Note 1)
Supply Voltage (V
+
) to GND ........................–0.3V to 6V
Voltage On Any Pin
(Referred to GND) .........................–0.3V to (V
+
+ 0.3V)
Operating Temperature Range (Note 9)
LTC6902C .......................................... –40
°
C to 85
°
C
LTC6902I............................................ –40
°
C to 85
°
C
Specified Temperature Range (Note 10)
LTC6902C .......................................... –40
°
C to 85
°
C
LTC6902I............................................ –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER
PART NUMBER
MS PART MARKING
LTK2
LTK3
LTC6902CMS
LTC6902IMS
T
JMAX
= 150
°
C,
θ
JA
= 250
°
C/W
1
2
3
4
5
V
+
DIV
PH
OUT1
OUT2
10
9
8
7
6
SET
MOD
GND
OUT4
OUT3
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
+
= 2.7V to 5.5V, R
L
= 5k, C
L
= 5pF, Pin 3 (PH) = 0V (2-phase, M = 1)
unless otherwise specified. Pin 9 (MOD) is at 0V unless otherwise specified. R
SET
is defined as a resistor connected from the SET pin
to the V
+
pin. R
MOD
is defined as a resistor connected from the MOD pin to the V
+
pin.
ELECTRICAL CHARACTERISTICS
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