Low EMI Oscillators
3EQHM57 Group ‘P’
7 x 5 x 1.8mm SMD Spread Spectrum Ocillator, Low Jitter
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OUTLINE & DIMENSIONS
SPECIFICATION
Model No:
3EQHM57 (Group ‘P’)
13.0MHz to 220MHz
See table below
Frequency Range:
Spread Types:
EMI Reduction*:
EMI Reduction (dB) = 10log("Total%"x"SSC Frequency(MHz)"/0.12)
Modulation Carrier Frequency:
25.3kHz min, 58.6kHz max.
Frequency dependent
Call for details
Output Logic:
CMOS
Input Voltage:
Vdd = +3.3VDC ±5%
Frequency Stability***
Commercial (0~70°C): ±25ppm (Spec. code = ‘A’)
±50ppm (Spec. code = ‘B’)
±100ppm (Spec. code = ‘C’)
Industrial (-40~+85°C):
±25ppm (Spec. code = ‘D’)
±50ppm (Spec. code = ‘E’)
±100ppm (Spec. code = ‘F’)
Output Voltage HIGH ‘1’:
2.4V min. at 80% Vdd
Output Voltage LOW ‘0’:
Rise/fall Times:
Load:
0.4V max. at 20% Vdd
1.2ns max, (frequency dependant)
15pF
Start-up Time:
2ms typical, 5ms max.
Current Consumption:
Duty Cycle:
25mA typical, freq. dependant
50%±5% (CL=15pF, 50%Vdd)
±100ps typ. ±150ps max.
40 Ohms typical
>2000V (per MIL STD 833)
-65°C to +150°C
±5ppm /year max at Ta=25°C
EIA 16mm tape and reel, 1k per.
No function available. Do not
electrically connect pad 1.
Cycle to Cycle Jitter:
Output Impedance:
Static Discharge Voltage:
Storage Temperature:
Ageing:
Packaging:
Pad 1 Option:
ENVIRONMENTAL SPECIFICATION
RoHS Compliance:
Storage Temperature Range:
Humidity:
RoHS compliant and Pb (lead) free
-55° to +125°C
85% RH, 85°C for 48 hours
Notes:
*
**
EMI reduction is applied to the entire frequency spectrum
dBc: with respect to no modulation. Frequency and total %
spread dependant.
-8
3
Hermetic Seal:
Solderability:
Reflow:
Leak Rate 2x10 ATM-cm /s max.
MIL-STD-2002F method 208E
260° for 10 seconds
***
Frequency Stability parameter excludes modulation.
Vibration:
MIL-STD-202F method 204,
35g 50Hz to 2000Hz
Shock:
MIL-STD-202F method 213B, test
condition: E, 1000g ½ sine wave
SPREAD TYPES and % MODULATION
DOWN SPREAD CENTRE SPREAD
PART NUMBER CONFIGURATION
D0.5
-0.5%
-0.75%
-1.25%
-2.0%
-2.5%
-3.0%
-3.5%
-3.75%
C0.25
C0.375
C0.625
C1.0
±0.25%
±0.375%
±0.625%
±1.0%
Group ‘P’
Series designation
D0.75
D1.25
D2.0
3EQHM57-B-32.768P-C0.5
D2.5
C1.25
C1.5
±1.25%
±1.5%
Frequency (MHz)
D3.0
Frequency Stability Code
‘A’ to ‘F’. See specification above
D3.5
C1.75
C1.875
±1.75%
±1.875%
D3.75
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
EUROQUARTZ [ EUROQUARTZ LIMITED ]
