Pin Description
DS4125–DS4776
DS4-XO Series Crystal Oscillators
4
_______________________________________________________________________________________
SINGLE-SIDEBAND PHASE NOISE AT fO = fNOM (dBc/Hz)
fM =
77.76MHz
125.00MHz
155.52MHz
156.25MHz
160.00MHz
311.04MHz
312.5MHz
622.08MHz
10Hz
-60
-70
-65
-60
100Hz
-95
-100
-95
-90
1kHz
-122
-120
-113
-107
10kHz
-126
-120
-113
-107
100kHz
-131
-125
-118
-113
1MHz
-143
-142
-137
-131
10MHz
-149
-147
20MHz
-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
VCC
Supply Voltage
EP
Exposed Paddle. Do not connect this pad or place exposed metal under the pad.
SINGLE-SIDEBAND PHASE NOISE AT fO = fNOM
Typical Operating Characteristics
(VCC = +3.3V, TA = +25°C, unless otherwise noted.)
FREQUENCY vs. TEMPERATURE
DS4125/776
toc01
TEMPERATURE (
°C)
f OUT
DEVIATION
(ppm)
80
60
20
40
0
-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
VCC (V)
I CC
(mA)
3.435
3.385
3.335
3.285
3.235
3.185
48
50
53
55
45
3.135
+85
°C
0
°C
-40
°C
+70
°C
+40
°C
+25
°C
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