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描述 Description

LVDS output crystal oscillator in a hermetically sealed ceramic

package with a seam sealed metal lid.

Model IQXO-618-25

Model Issue number 5

Frequency Parameters

Frequency 156.250MHz

Frequency Stability ±50.00ppm

Operating Temperature Range -40.00 to 105.00°C

Ageing ±3ppm max per year at 25°C

Electrical Parameters

Supply Voltage 2.5V ±5%

Current Draw 50.000mA max

Output Details

Output Compatibility LVDS

Drive Capability 100Ω

Rise & Fall Time (20 - 80%) 0.5ns max

Duty Cycle 45/55% max

Differential Output Voltage (VoD): 0.247V min, 0.33V typ,

0.454V max

Offset Voltage (VoS): 1.125V min, 1.250V typ, 1.375V max.

Output Voltage Levels:

Output Low (VoL): 0.9V min

Output High (VoH): 1.6V max

Output Control

Standby Operation:

Logic ‘1’ (≥70% Vs) to pad 1 enables oscillator output.

Logic ‘0’ (≤30% Vs) to pad 1 disables oscillator output; when

disabled the oscillator output goes to the high impedance

state.

No connection to pad 1 enables oscillator output.

Start-Up Time: 10ms max

Standby Current: 10μA max

Noise Parameters

Phase Jitter (12kHz to 20MHz): 300fs rms max

Phase Jitter (12kHz to 20MHz):

@100MHz: 155fs rms typ

@125MHz: 119fs rms typ

@156.25MHz: 74fs rms typ