ECS ECS-3250SS-270-3B Spread spectrum oscillator Datasheet

ECS-3250SS
Low EMI Output
5 x 3.2 mm Footprint
Wide frequency range
Pb Free/RoHS Compliant
SPREAD SPECTRUM OSCILLATOR
ECS-3250SS Spread Spectrum EMI output SMD oscillators
provide cost effective EMI reduction.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECS-3250SS (+3.3V)
PARAMETERS
CONDITIONS
Frequency Range
Operating Temperature
Storage Temperature
Supply Voltage
Frequency Stability
MIN
10.000
-10
-40
+3.135
VDD
Referred to frequency avg.
Option A
Option B
Option C
10.000 to 28.000 MHz
28.100 to 168.000 MHz
@ 50% VDD level
10% VDD to 90% level
VOL
VOH
CMOS
Spread spectrum range
Center spread
Input Current
Output Symmetry
Rise and Fall Times
"0" level
"1" level
Output Load
Enable/Disable delay time
Startup time
Aging (first year)
40/60
+3.3
UNITS
MAX
168.000
+70
+85
+3.465
± 50
± 0.5
±1
±2
13
15
60/40
5
MHz
°C
°C
VDC
ppm
%
%
%
mA
mA
%
ns
VDC
VDC
pF
ns
ms
ppm
pS
pS
10% VDD
90% VDD
15
10
10
±5
200
100
at +25°C ±3°C
10.000 to 20.000 MHz
20.10.000 to 168.000 MHz
Jitter (Cycle to Cycle)
TYP
DIMENSIONS (mm)
Pin Connections
Pin #1
Pin #2
Pin #3
Pin #4
Tri-State
Ground
Output
VDD
Tri-State Control Voltage
Pad 1
Open
VIH 90% VDD Min
VIL 10% VDD Max
Figure 1) Top, Side and Bottom views
Figure 2) Suggested Land Pattern
Pad 3
Oscillation
Oscillation
High Impedance
Note: Internal crystal oscillation to be halted
(Pin #1=VIL)
PART NUMBERING GUIDE: Example ECS-3250SS-270-3B
ECS
-
Series
3250SS
-
Frequency Abbreviation
- Voltage
270 = 27.000 MHz
See Frequency
Abbreviations (Pg 2)
1105 South Ridgeview Road
z
Olathe, KS 66062
3 =3.3V
z
Spread Spectrum Range
A = ± 0.5%
B = ± 1.0%
C = ± 2.0%
Phone: 913.782.7787
z
Fax: 913.782.6991
z
www.ecsxtal.com
ECS-3250SS
SPREAD SPECTRUM OSCILLATOR
Frequency Abbreviations
FREQUENCY
MHz
CODE
24.000
25.000
27.000
40.000
54.000
240
250
270
400
540
TEST CIRCUIT
SREAD SPECTRUM FOR EMI REDUCTION
± 1% CENTER SPREAD AT 100 MHz
TAPE DIMENSIONS (mm)
Package Data
1105 South Ridgeview Road
z
Olathe, KS 66062
z
Phone: 913.782.7787
Item
Description
Lid
Base
Sealing
Terminal
Metal
Ceramic
Seam
Tungsten (metalized)
Plating
Gold/Nickel
(Surface)/(Under)
RoHS
Compliant (Pb Free)
z
Fax: 913.782.6991
z
www.ecsxtal.com
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