Datasheet
Pin Description
DS4125–DS4776
DS4-XO Series Crystal Oscillators
4 _______________________________________________________________________________________
SINGLE-SIDEBAND PHASE NOISE AT f
O
= f
NOM
(dBc/Hz)
f
M
=
77.76MHz 125.00MHz 155.52MHz 156.25MHz 160.00MHz 311.04MHz 312.5MHz 622.08MHz
10Hz -60 -70 -70 -70 -70 -65 -65 -60
100Hz -95 -100 -100 -100 -100 -95 -95 -90
1kHz -122 -120 -120 -120 -120 -113 -113 -107
10kHz -126 -120 -120 -120 -120 -113 -113 -107
100kHz -131 -125 -125 -125 -125 -118 -118 -113
1MHz -143 -142 -142 -142 -142 -137 -137 -131
10MHz -149 -149 -149 -149 -149 -149 -149 -147
20MHz -153 -153 -153 -153 -153 -153 -153 -150
PIN NAME FUNCTION
1 OE Active-High Output Enable. Has an internal pullup 100k resistor.
2, 7–10 N.C. No Connection. Must be floated.
3 GND Ground
4 OUTP Positive Output for LVPECL or LVDS
5 OUTN Negative Output for LVPECL or LVDS
6 V
CC
Supply Voltage
— EP Exposed Paddle. Do not connect this pad or place exposed metal under the pad.
SINGLE-SIDEBAND PHASE NOISE AT f
O
= f
NOM
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
FREQUENCY vs. TEMPERATURE
DS4125/776 toc01
TEMPERATURE (°C)
f
OUT
DEVIATION (ppm)
806020 400-20
-18
-15
-13
-10
-8
-5
-3
0
3
5
8
10
13
15
-20
-40
OPERATING CURRENT (DS4155)
vs. OPERATING VOLTAGE
DS4125/776 toc02
V
CC
(V)
I
CC
(mA)
3.4353.3853.3353.2853.2353.185
48
50
53
55
45
3.135
+85°C
0°C
-40°C
+70°C
+40°C
+25°C