QUARTZ
18EQHM572 Low EMI Oscillator
EURO
7 x 5 x 1.4mm SMD - Group 'F' (1.8 Volts)
FEATURES
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Provides up to -12dB reduction in system EMI
‘Drop-in’ replacement for standard clocks
No need to re-design printed circuit boards
Operates with 1.8 Volts supply voltage
Choice of modulation rate and spread
Miniature package: 7.0 mm x 5.0 mm x 1.4mm
OUTLINE & DIMENSIONS
SPECIFICATION
Model No:
18EQHM572
Frequency Range:
12.5MHz to 42.0MHz
EMI Reduction and Spread Types:
Modulation Carrier Frequency:
Output Logic:
CMOS
Input Voltage:
Vdd = +1.8 ±0.15VDC
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’:
1.6V min., 1.85V max.
0.0V max., 0.2V max.
2.5ns max.
Output Voltage LOW ‘0’:
Rise/Fall Times:
Load:
15pF
Start-up Time:
2ms typical, 5ms max.
40ms max.
30W typical
Stabilization Time:
Output Impedance:
Output Slew Rate:
0.4 V/ns min.; 3.0V/ns max.
Current Consumption:
13MHz:
2.0mA typical
16MHz:
2.8mA typical
25MHz:
3.5mA typical
42MHz:
5.0mA typical
Duty Cycle:
Cyle to Cycle Jitter:
Ageing:
50%±10% (CL=15pF, 50%Vdd)
±100ps max.
±5ppm /year max at Ta=25°C
Output Enable/Disable. Output is
high impedance when taken low
Output enable time 100ms max.
EIA 16mm tape and reel, 1k per.
Pad 1 Option:
ENVIRONMENTAL SPECIFICATION
RoHS Compliance:
RoHS compliant and Pb (lead) free
Level 1 (Infinite)
e4
Packaging:
Moisture Sensitivity Level:
Second Level Interconnect:
Storage Temperature Range:
Humidity:
-55° to +125°C
SPREAD TYPE & PERCENTAGE AND EMI REDUCTION RATES
85% RH, 85°C for 48 hours
MIL-STD-883, meth. 1014, cond. A
MIL-STD-883, meth. 1014, cond. C
Fine Leak / Gross Leak:
EMI
Reduction
Rate
Total %
Down
Spread (D)
Centre
Spread (C)
-8
3
Hermetic Seal:
Solderability:
Reflow:
Leak Rate 2x10 ATM-cm /s max.
MIL-STD-2002F method 208E
260° for 10 seconds x2
0.5%
1%
-0.5% (D0.5) ±0.25% (C0.25)
-12dB (typ.)
-16dB (typ.)
-18dB (typ.)
Vibration:
MIL-STD-202F method 204, 35g,
50Hz to 2000Hz
-1% (D1)
-2% (D2)
±0.5% (C0.5)
±1% (C1.0)
2%
Shock:
MIL-STD-202F method 213B, test
condition: E, 1000g ½ sine wave
MIL-STD-202, Method 215
MIL-STD-883, Method 1010
>2000V (per MIL-STD-883,
method 3015)
Resistance to Solvents:
Temperature Cycling:
ESD Rating:
ABSOLUTE MAXIMUM RATINGS
Power Supply Voltage
Input Voltage
-0.5V min., +2.5V max.
Pad Surface Finish:
Gold (0.3um min.) over nickel
(1.27um to 8.89um)
DD
Vss-0.5V min., V +0.5V max.
Weight of the Device:
0.17 grams.
DD
Output Voltage
Vss-0.5V min., V +0.5V max.
Operation Junction Temp.
Output Current
-40°C min., +125°C max.
-13mA min., +13mA max.
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