# Oscillator, 125 MHz, 25 ppm, SMD, 7mm x 5mm, LVDS, 2.5 V, CLEARCLOCK AX7 Series

![Product image](https://novapart.co/image/farnell:2848376/)

**URL**: https://novapart.co/products/AX7DBF1-125.0000C/oscillator-125-mhz-25-ppm-smd-7mm-x-5mm-lvds-v
**SKU**: AX7DBF1-125.0000C
**Manufacturer**: ABRACON
**Category**: Crystals & Oscillators || Oscillators || Standard Oscillators
**Price**: €3.9500
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Frequency Nom | 125MHz |
| Product Range | CLEARCLOCK AX7 |
| Oscillator Case | SMD, 7mm x 5mm |
| Supply Voltage Nom | 2.5V |
| Frequency Stability + / - | 25ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Output Compatibility | LVDS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2848376/)

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** 

## AX7 

**7.0 x 5.0 x 1.8 mm Pb[ RoHS/RoHS II Compliant] MSL = 1** 

**ESD SENSITIVE** 

## **FEATURES** 

## **APPLICATIONS** 

- 0.125ps typ jitter (150fs MAX f > 200MHz, 25°C) 

- Highest in-class frequency range from 50 to 2100MHz 

- Excellent spurious suppresion 

- 70mA MAX IDD (LVDS, any VDD) 

- Lowest in-class power consumption 

- Supports LVPECL, HCSL, LVDS, CML 

   - Networking and communications 

   - RF systems, base stations (BTS) 

   - Test and measurement 

   - Cloud, server and storage, Fibre Channel 

   - 100/400GbEthernet 

   - PCI Express 

- Supports ±50ppm or ±100ppm all inclusive stability 

- -40°C to 85°C or -20°C to 70°C operation 

- Industry standard 5x7mm footprint 

## **OPTIONS AND PART IDENTIFICATION[[Note 1]]** 

Note 1: Contact Abracon for part number requests with carrier frequency callouts up to 5 & 6 digit accuracy after the decimal. 

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**----- Start of picture text -----**<br>
-<br>AX7<br>(1): Output Type (2): VDD (4): OE Function (5): Output  (6): Packaging<br>P: LVPECL A: 3.3V 1: OE Pin 1; Active High Frequency in MHz Blank: Bulk<br>D: LVDS B: 2.5V 2: OE Pin 1; Active Low Please specify the C: Cut Tape 50 units<br>H: HCSL (*) C: 1.8V (*) 3: OE Pin 2; Active High Frequency in units of MHz T: Tape & Reel 250 units<br>out to  4 digit  accuracy after<br>M: CML (*) Excluding LVPECL output 4: OE Pin 2; Active Low<br>the decimal.<br>(*) Frequency range limited<br>to: 50~700MHz  (3): Stability over OTR  Example:<br>“156.2500” = 156.2500MHz<br>D: ±25ppm over -20°C to +70°C<br>E: ±50ppm over -20°C to +70°C<br>F: ±25ppm over -40°C to +85°C<br>G: ±50ppm over -40°C to +85°C<br>**----- End of picture text -----**<br>


**Part Number Example: AX7PAF1-644.53125C** 

**REVISED: 10.31.2017** 5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 ISO9001-2008 **LLC** For terms and conditions of sale, please visit: CERTIFIED www.abracon.com 

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** AX7 Dy 

. e **7.0 x 5.0 x 1.8 mm** 322.265 **Pb[ RoHS/RoHS II Compliant] MSL = 1** 4 hid **ESD SENSITIVE** 

## **COMMON KEY ELECTRICAL SPECIFICATIONS** 

|**Parameters**|**Parameters**|**Parameters**|**Min.**|**Typ.**|**Max.**|**Unit**|**Notes**|
|---|---|---|---|---|---|---|---|
|Frequency Range<br>~~po~~|LVPECL<br>~~po~~||50<br>~~po~~|~~po~~|2100<br>~~po~~|MHz<br> <br>|Option “P”<br>~~po~~|
||LVDS<br>~~po~~<br>~~es~~||50<br>~~po~~|~~po~~|2100<br>~~po~~||Option “D”<br>~~po~~<br>~~po~~|
||HCSL<br>~~po~~<br>~~es~~<br>~~ee~~||50<br>~~po~~<br>~~es~~|~~po~~|700<br>~~po ~~||Option “H”<br> ~~po~~<br>~~po~~<br>~~po~~|
||CML<br>~~es~~<br>~~ee~~||50<br>~~es~~<br>~~es~~|~~ee~~|2100<br>~~eee~~||Option “M”<br>~~po~~<br>~~po~~<br>~~Pp~~|
|Power Supply Voltage (VDD) [Note 1]<br>~~ee~~<br>~~po~~|||2.97<br>~~es~~<br>~~es~~<br>~~es~~|3.3<br>~~ee~~<br>~~ee~~|3.63<br>~~eee~~<br>~~eee~~|V<br> <br> <br>|Option “A”<br>~~po~~<br>~~Pp~~<br>~~po~~|
||||2.25<br>~~es~~<br>~~es~~<br>~~ee~~|2.5<br>~~ee ~~<br>~~ee~~<br>~~ee~~|2.75<br> ~~eee ~~<br>~~eee~~<br>~~ee~~||Option “B”<br> ~~Pp~~<br>~~po~~<br>~~po~~|
||||1.71<br>~~es~~<br>~~ee~~|1.8<br>~~ee~~<br>~~ee~~|1.89<br>~~eee ~~<br>~~ee~~||Option “C”<br> ~~po~~<br>~~po~~|
|Current Consumption (IDD)<br>~~po~~|LVPECL<br>~~po~~||~~ee~~|87<br>~~ee~~|94<br>~~ee~~|mA<br> <br>~~GO~~|@ VDD=3.3V<br> ~~po~~<br>~~po~~|
||LVDS<br>~~po~~<br>~~po~~||~~ee ~~<br>~~po~~|64<br> ~~ee~~<br>~~po~~|70<br>~~ee ~~<br>~~po~~|||
||HCSL<br>~~po~~<br>~~ee~~||~~po~~<br>~~ee~~|75<br>~~po~~<br>~~ee~~|80<br>~~po~~|||
||CML<br>~~ee~~||~~ee~~|63<br>~~ee~~|68<br>~~QO~~||@VDD=1.8V<br>~~po~~|
|Set Tolerance(as received) @25°C ±3°C<br>~~ee ~~<br>~~GO~~|||-5.00<br> ~~ee~~<br>~~GO~~|<±3.00<br>~~ee~~<br>~~GO~~|+5.00<br>~~GO~~<br>~~QO~~|ppm<br>~~GO~~<br>~~GO~~<br>~~GO~~|Relative to carrier<br>~~po~~<br>~~GO~~|
|OperatingTemperature Range(OTR)<br>~~GQ~~|||-40<br>~~GQ~~|~~GQ~~|+85<br>~~QO~~<br>~~GQ~~|°C<br>~~GO~~<br>~~GQ~~<br>~~GO~~|_See Options_<br>~~GQ~~|
|Storage Temperature|||-55||+155|°C<br>~~GO~~||
|Frequency Stability over OTR|||-25||+25|ppm|Option “D or F”|
||||-50||+50||Option “E or G”|
|Agingover 10-Year Product Life[Note 2]|||-15||+15|ppm||
|All Inclusive Frequency Accuracy over  10-Year Product Life[Note 2]<br>~~aee~~|||-50||+50|ppm<br>~~ee~~|Specific to freq. stability option<br>“D” or “F”(±25ppm)|
||||-100<br>~~ee~~|~~ee~~|+100<br>~~ee~~||Specific to freq. stability option<br>“E” or “G”(±50ppm)|
|Rise (Tr) / Fall Time (Tf)<br>~~a~~|LVPECL/LVDS/CML<br>~~ee~~||~~ee~~|~~ee~~|0.35<br>~~ee~~|nS<br>~~ee~~<br>~~GO~~|20% ↔ 80% waveform|
||HCSL<br>~~ee~~||~~ee~~|~~ee~~|0.40<br>~~ee~~<br>~~QO~~|||
|DutyCycle<br>~~a ee~~<br>~~GO~~|||45<br>~~ee ~~<br>~~GO~~|~~ee ~~<br>~~GO~~|55<br> ~~ee ~~<br>~~GO~~<br>~~QO~~|%<br> ~~ee~~<br>~~GO~~<br>~~GO~~|@50% VDD<br>~~GO~~|
|Start-upTime[Note 2]||||< 5.0|10<br>~~QO~~|ms<br>~~GO~~||
|Output High Voltage (VOH)<br>Output Low Voltage (VOL)<br>~~a~~|LVPECL|VOH|VDD-1.165||VDD-0.8|V<br>~~;~~|50Ω into VDD–2.0V or thevenin<br>equivalent|
|||VOL|VDD-2.0||VDD-1.55|||
||LVDS|VOH||1.4|1.6||100Ω between OUT and OUTN|
|||VOL|0.9|1.1||||
||HCSL|VOH|0.66||1.15||50Ω to VDD|
|||VOL|0.0||0.15|||
||CML|VOH|VDD-0.085||VDD=Max||50Ω into GND|
|||VOL|VDD-0.6||VDD-0.32|||
|Output Enable (OE) Control<br>~~eye~~|||0.8*(VDD)<br>~~eye~~|~~eye~~|~~eye~~|V<br>~~eye~~|~~eye~~|
||||~~eye~~|~~eye~~|0.2*(VDD)<br>~~eye~~||~~eye~~|



## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** 

AX7 

**7.0 x 5.0 x 1.8 mm Pb[ RoHS/RoHS II Compliant] MSL = 1** 4 kia **ESD SENSITIVE** 

## **COMMON KEY ELECTRICAL SPECIFICATIONS** 

|**PARAMETERS**|**PARAMETERS**|**MIN.**|**TYP.**|**MAX.**|**UNIT**|**NOTES**|
|---|---|---|---|---|---|---|
|Output Enable Time||||2.5|ms||
|Output Disable Time||||10|µs||
|Output Disable Current Consumption|LVPECL||85|86|mA|@ Vdd=3.3V|
||LVDS||63|65|||
||HCSL||77|78|||
||CML||62|67||@Vdd=1.8V|
|**RMS Phase Jitter(12kHz -20MHz BW)**|||||||
|201.000MHz – 2100.000MHz|||125|150|fsec|@ Vdd=3.3V|
|50.000MHz – 200.000MHz|||200|300|||



**Note 1: Supply Voltage (Vdd) = 1.8V option not available with LVPECL output Note 2: Relative to initial measured frequency @ 25°C ±3°C** 

## **TYPICAL PHASE NOISE AND JITTER CHARACTERISTICS (@25°C ± 3°C)[ [Note 2]]** 

|**Frequency (MHz)**||**148.35**<br>**150**<br>**155.52**|**156.25**<br>**156.25**||**200**||**212.5**||**312.5**|
|---|---|---|---|---|---|---|---|---|---|
|**RF Output**||**LVDS**<br>**LVPECL**<br>**LVPECL**|**LVPECL**<br>**HCSL**||**LVPECL**||**LVDS**||**LVDS**|
|**RMS Phase Jitter (fsec)**<br>**12kHz-20MHz BW**|**RMS Phase Jitter (fsec)**|125<br>137<br>124|123<br>129||122||127||114|
|**Phase Noise (dBc/Hz)**<br>**100Hz**<br>**1kHz**<br>**10kHz**<br>**100kHz**<br>**1MHz**<br>**10MHz**<br>**20MHz**<br>~~es~~<br>~~es~~<br>~~Rs~~<br>~~a~~<br>~~es~~<br>~~es~~<br>~~es~~|**100Hz**<br>**1kHz**|-96<br>-98<br>-98<br>-98<br>-99<br>-120<br>-120<br>-120<br>-121<br>-121<br>-132<br>-132<br>-132<br>-132<br>-132<br>-140<br>-139<br>-141<br>-141<br>-140<br>-149<br>-150<br>-151<br>-150<br>-151<br>-157<br>-159<br>-159<br>-159<br>-160<br>-157<br>-159<br>-159<br>-159<br>-160<br>~~esRs es es es~~<br>~~es~~<br>~~es es es~~<br>~~es es es es~~<br>~~es~~<br>~~es es enQs~~<br>~~es~~<br>~~es es es~~<br>~~es~~<br>~~ee es es~~<br>~~es~~<br>~~es esQs~~|||-90<br>-114<br>-129<br>-138<br>-148<br>-159<br>-159||-83<br>-114<br>-129<br>-137<br>-147<br>-157<br>-157||-94<br>-115<br>-126<br>-134<br>-144<br>-156<br>-157|
|**Frequency (MHz)**||**322.265625**<br>**491.52**|**644.53125**<br>**1000**||**1244.16**||**1500**||**2100**|
|**RF Output**||**LVPECL**<br>**HCSL**<br>**LVPECL**|**LVPECL**<br>**LVDS**||**LVDS**||**LVDS**|**LVPECL**||
|**RMS Phase Jitter (fsec)**<br>**12kHz-20MHz BW**||121<br>121<br>123|127<br>114||127||112||138|
|**Phase Noise (dBc/Hz)**<br>**100Hz**<br>**1kHz**<br>**10kHz**<br>**100kHz**<br>**1MHz**<br>**10MHz**<br>**20MHz**<br>~~a~~<br>~~a~~<br>~~a~~<br>~~ee~~<br>~~a~~<br>~~a~~<br>~~a~~||-91<br>-92<br>-91<br>-77<br>-76<br>-78<br>-79<br>-77<br>-113<br>-114<br>-111<br>-107<br>-102<br>-102<br>-101<br>-98<br>-125<br>-125<br>-122<br>-119<br>-115<br>-113<br>-112<br>-108<br>-133<br>-133<br>-131<br>-127<br>-124<br>-122<br>-120<br>-117<br>-144<br>-144<br>-138<br>-138<br>-134<br>-131<br>-130<br>-124<br>-157<br>-157<br>-154<br>-154<br>-150<br>-149<br>-145<br>-145<br>-159<br>-159<br>-154<br>-155<br>-152<br>-150<br>-145<br>-148<br>~~es~~<br>~~eses~~<br>~~ss~~<br>~~ss ns~~<br>~~es ss~~<br>~~es es es esGs~~<br>~~es~~<br>~~esss~~<br>~~es eses~~<br>~~eseses~~||||||||



**Note 2: Refer to following Section for selected Phase Noise Plots** 

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LLC<br>**----- End of picture text -----**<br>


**REVISED: 10.31.2017** 5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 ISO9001-2008 For terms and conditions of sale, please visit: CERTIFIED www.abracon.com 

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** 

## AX7 

**7.0 x 5.0 x 1.8 mm Pb[ RoHS/RoHS II Compliant] MSL = 1 ESD SENSITIVE** 

## **SELECTED PHASE NOISE PLOTS (@25°C ± 3°C)** 

**156.25MHz | LVPECL | VDD=3.3V** 

## **156.25MHz | HCSL | VDD=1.8V** 

## **200MHz | LVPECL | VDD=3.3V** 

## **312.5MHz | LVDS | VDD=3.3V** 

**REVISED: 10.31.2017** 

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LLC<br>**----- End of picture text -----**<br>


5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 ISO9001-2008 For terms and conditions of sale, please visit: CERTIFIED www.abracon.com 

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** 

## AX7 

**7.0 x 5.0 x 1.8 mm Pb[ RoHS/RoHS II Compliant] MSL = 1 ESD SENSITIVE** 

## **SELECTED PHASE NOISE PLOTS (@25°C ± 3°C)** 

**322.265625MHz | LVPECL | VDD=3.3V** 

**322.265625MHz | HCSL | VDD=3.3V** 

**644.53125MHZ | LVPECL | VDD=3.3V** 

**2100MHZ | LVPECL | VDD=3.3V** 

**REVISED: 10.31.2017** 

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LLC<br>**----- End of picture text -----**<br>


5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 ISO9001-2008 For terms and conditions of sale, please visit: CERTIFIED www.abracon.com 

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** AX7 Oo 

**7.0 x 5.0 x 1.8 mm** H20 **Pb[ RoHS/RoHS II Compliant] MSL = 1** s kia **ESD SENSITIVE** 

## **TYPICAL FREQUENCY Vs. TEMPERATURE CHARACTERISTICS** 

## **TYPICAL CURRENT CONSUMPTION (IDD) Vs. FREQUENCY CHARACTERISTICS (@ 25ºC ± 3ºC)** 

## Current Consumption (Idd) vs. Frequency **AX7** 

## **MECHANICAL DIMENSIONS** 

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TOP VIEW<br>**----- End of picture text -----**<br>


## **BOTTOM VIEW** 

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RECOMMENDED LAND PATTERN<br>**----- End of picture text -----**<br>


|**PIN #**|**FUNCTION**|
|---|---|
|**# 1**|**Option 1 & 2:**<br>Output Enable/ Disable<br>**Option 3 & 4:**<br>No Connect|
|**# 2**|**Option 1 & 2:**<br>No Connect<br>**Option 3 & 4:**<br>Output Enable/ Disable|
|**# 3**|GND|
|**# 4**<br>~~ee~~|Output<br>~~ee~~|
|**# 5**<br>~~ee~~<br>~~es~~|Complementaryoutput<br>~~ee~~<br>~~es~~|
|**# 6**<br>~~ee~~<br>~~es~~<br>~~ee~~|SupplyVoltage(VDD)<br>~~ee~~<br>~~es~~<br>~~ee~~|
|**# 7**<br>~~ee~~<br>~~ee~~|No connect<br>~~ee~~<br>~~ee~~|
|**# 8**<br>~~ee~~|No connect<br>~~ee~~|



***Compatible with industry standard 5x7mm footprint. Pin 7 and 8 are no connect solder pads, not required.** 

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Dimensions: mm<br>**----- End of picture text -----**<br>


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LLC<br>**----- End of picture text -----**<br>


**REVISED: 10.31.2017** 5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 ISO9001-2008 For terms and conditions of sale, please visit: CERTIFIED www.abracon.com a 

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** AX7 ee 

. **7.0 x 5.0 x 1.8 mm** 322.265 **Pb[ RoHS/RoHS II Compliant] MSL = 1** 7S kiad **ESD SENSITIVE** 

## **RECOMMENDED TEST CIRCUIT** 

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LVDS<br>**----- End of picture text -----**<br>


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HCSL<br>**----- End of picture text -----**<br>


## **LVPECL** 

## **CML** 

## **DIFFERENTIAL OUTPUT WAVEFORM** 

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LLC<br>**----- End of picture text -----**<br>


**REVISED: 10.31.2017** 5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 ISO9001-2008 For terms and conditions of sale, please visit: CERTIFIED www.abracon.com a 

## **CLEARCLOCK™ | POWER OPTIMIZED 0.12ps 5x7mm XO** 

AX7 

**7.0 x 5.0 x 1.8 mm Pb[ RoHS/RoHS II Compliant]** © **MSL = 1** dbs **ESD SENSITIVE** 

## **REFLOW PROFILE** 

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**----- Start of picture text -----**<br>
[NOTE 5] [NOTE 6]<br>| ia | On<br>[NOTE 7]<br>ZONE DESCRIPTION TEMPERATURE TIME<br>1 T  ~ T<br>Preheat / Soak SMIN SMAX 60 ~ 180 sec.<br>150°C ~ 200°C<br>2 T<br>L 60 ~ 150 sec.<br>Reflow<br>217°C<br>3 T<br>Peak heat P 20 ~ 40 sec.<br>260°C±5°C<br>**----- End of picture text -----**<br>


**Note 5: Ramp Up Rate (TL → TP) = 3°C / sec.  MAX Note 6: Ramp Down Rate (TP → TL) = 6°C / sec.  MAX Note 7: Time 25°C to Peak Temperature (25°C → TP) = 8 minutes MAX** 

***Can withstand 2 times reflow** 

***All temperatures refer to topside of the package, measured on the package body surface** 

## **PACKAGING** 

**C = Cut Tape 50 units T = Tape & Reel 250 units/reel** 

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FEEDING (PULL) DIRECTION →<br>ryt s°<br>~—OO-8-O-O-<br>6-8 -9-F-O-<br>Dimensions: mm<br>**----- End of picture text -----**<br>


|**Tape Dimensions**|**Tape Dimensions**|
|---|---|
|**A**|**16.0**|
|**B**|**7.2**|
|**C**|**5.4**|
|**D**|**8.0**|
|**E**|**1.8**|
|**Reel Dimensions**||
|**F**|**180.0**|
|**G**|**16.5**|
|**H**|**19.6**|



**REVISED: 10.31.2017** 

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LLC<br>**----- End of picture text -----**<br>


5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 For terms and conditions of sale, please visit: www.abracon.com 

ABRACON IS ISO9001-2008 CERTIFIED 



## Links

- [View this product on Novapart](https://novapart.co/products/AX7DBF1-125.0000C/oscillator-125-mhz-25-ppm-smd-7mm-x-5mm-lvds-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/abracon/ax7dbf1-125-0000c/oscillator-125mhz-7mm-x-5mm-lvds/dp/2848376)
---

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