All specifications are subject to change without notice.

PRBST1122

Rev B

07/13/12

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• www.pericom.com

3.3V PECL 122.88MHz Base Station VCXO

Application Specific Voltage Controlled

Crystal Oscillator 7.0 x 5.0mm

PRBST1122

ASSP VCXO

Electrical Performance

Parameter

Min.

Typ.

Max.

Units

Notes

Output Frequency

122.880

MHz

Supply Voltage

3.135

3.3

3.465

V

Supply Current, Output Enabled

90

mA

Frequency Stability

±50

ppm

See Note 1 below

Operating Temperature Range

-40

+85

°C

V

V

Output Load

50

ohms

From outputs to

Duty Cycle

45

55

%

Measured 50%

Rise and Fall Time

5

ns

Measured 20/80% of waveform

Jitter, Phase RMS(1-s)

1

ps

12kHz~20MHz Frequency Band

Jitter, Peak to Peak (Pk-Pk)

40

ps

100.000 Random Periods

Phase Noise

-65

-50

dBc/Hz

At 10Hz offset

Phase Noise

-90

-85

dBc/Hz

At 100Hz offset

Phase Noise

-120

-115

dBc/Hz

At 1kHz offset

Phase Noise

-130

-125

dBc/Hz

At 10kHz offset

Phase Noise

-135

-130

dBc/Hz

At 100kHz offset

Notes:

1.

Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),

aging (5 years at +40°C average effective ambient temperature), shock and vibration.

2.

Forspecificationsotherthanthoselisted,pleasecontactsales.

2

Voltage Control Function

Parameter

Min.

Typ.

Max.

Units

Notes

Pullability

±80

± 140

ppm

Control Voltage Range

0.3

3.0

V

As rated

Center Control Voltage

1.65

V

For RMT Nominal Frequency

Monotonic Linearity

10

%

Positive Transfer Slope

Input Impedance

130

kΩ

Control Voltage Pin

Output Enable / Disable Function

Parameter

Min.

Typ.

Max.

Units

Notes

Input Voltage (pin 2), Output Enable

V

or open

Input Voltage (pin 2), Output Disable (low power standby)

V

Output is Hi-Z

Absolute Maximum Ratings

Parameter

Min.

Typ.

Max.

Units

Notes

Storage Temperature

-55

+125

°C

For the latest product information visit:

http://www.pericom.com/products/crystals-and-crystal-oscillators/assp-xo/?part=PRBST1122

For test circuit go to:

http://www.pericom.com/pdf/sre/tc_vc_pecl.pdf

For soldering reflow profile and reliability test ratings go to:

http://www.pericom.com/pdf/sre/reflow.pdf

For tape and reel information go to:

http://www.pericom.com/pdf/sre/tr_7050_xo.pdf

12-0053