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MB88155 is a clock generator for EMI (Electro Magnetic Interference) reduction. The peak of unnecessary radiation noise (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically with the internal modulator. For modulation, the MB88155 supports both center-spreading and down-spreading. It has a non-modulated output pin (REFOUT.
• Input frequency :
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• 12.5 MHz to 50 MHz (Multiplied by 1) 12.5 MHz to 20 MHz (Multiplied by 4) Output frequency : CKOUT 12.5 MHz to 80 MHz REFOUT The same as input frequency (not multiplied) Modulation rate : ± 0.5%, ± 1.0% (center spread) , − 1.0%, − 2.0% (Down spread) Equipped with oscillation circuit : range of oscillation 12.5 MHz to 40 MHz (Fundamental oscillation) 40 MHz to 48 MHz (3rd overtone) Modulation clock output Duty : 40% to 60% (Continued)
■ PACKAGE
8-pin plastic TSSOP
(FPT-8P-M05)
MB88155
(Continued)
• Modulation clock cycle − cycle jitter : MB88155-1xx 12.5 MHz to 20.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MB88151 |
Fujitsu Media Devices |
Spread Spectrum Clock Generator |
|
| 2 | MB88153 |
Fujitsu Media Devices |
Spread Spectrum Clock Generator |
|
| 3 | MB88154 |
Fujitsu Media Devices |
Spread Spectrum Clock Generator |
|
| 4 | MB88156 |
Fujitsu Media Devices |
Spread Spectrum Clock Generator |
|
| 5 | MB88101A |
Fujitsu Media Devices |
A/D Converter |
|
| 6 | MB88111 |
Fujitsu Media Devices |
A/D Converter |
|
| 7 | MB88141 |
Fujitsu Media Devices |
A/D Converter |
|
| 8 | MB88141A |
Fujitsu Media Devices |
A/D Converter |
|
| 9 | MB88146A |
Fujitsu Media Devices |
D/A Converter |
|
| 10 | MB88161 |
Fujitsu Media Devices |
Spread Spectrum Clock Generator |
|
| 11 | MB88162 |
Fujitsu Media Devices |
Spread Spectrum Clock Generator |
|
| 12 | MB88 |
Micro Commercial Components |
Single Phase Bridge Rectifier |
|