IDT8N3DV85CCD REVISION A OCTOBER 30, 2013 7 ©2013 Integrated Device Technology, Inc.
IDT8N3DV85 Data Sheet LVPECL DUAL-FREQUENCY PROGRAMMABLE VCXO
AC Electrical Characteristics
Notes continued on next page.
Table 5A. AC Characteristics, V
CC
= 3.3V ± 5% or 2.5V ± 5%, T
A
= -40°C to 85°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency Q, nQ
15.476 866.67 MHz
975 1,300 MHz
f
I
Initial Accuracy Measured @ 25°C, V
C
= V
CC
/2 ±10 ppm
f
S
Temperature Stability
Option code = A or B ±100 ppm
Option code = E or F ±50 ppm
Option code = K or L ±20 ppm
f
A
Aging
Frequency drift over 10 year life ±3 ppm
Frequency drift over 15 year life ±5 ppm
f
T
Total Stability
Option code A, B (10 year life) ±113 ppm
Option code E, F (10 year life) ±63 ppm
Option code K, L (10 year life) ±33 ppm
tjit(cc) Cycle-to-Cycle Jitter; NOTE 1 622.08MHz 6 12 ps
tjit(per) RMS Period Jitter 23ps
tjit(Ø) RMS Phase Jitter (Random); NOTE 2
622.08MHz, Integration Range:
12kHz - 20MHz
0.46 0.71 ps
tjit(Ø) RMS Phase Jitter (Random); NOTE 2
622.08MHz, Integration Range:
50kHz - 80MHz
0.47 0.72 ps
tjit(Ø)
RMS Phase Jitter (Random);
NOTE 2,3,4
f
XTAL
= 114.285MHz
500MHz <f
OUT
1300MHz 0.44 0.77 ps
125MHz < f
OUT
500MHz 0.52 0.90 ps
15MHz f
OUT
125MHz 0.74 1.2 ps
N
(100)
Single-side band phase noise, 100Hz
from Carrier
622.08MHz -68
dBc/H
z
N
(1k)
Single-side band phase noise,
1kHz from Carrier
622.08MHz -89
dBc/H
z
N
(10k)
Single-side band phase noise,
10kHz from Carrier
622.08MHz -113
dBc/H
z
N
(100k)
Single-side band phase noise,
100kHz from Carrier
622.08MHz -118
dBc/H
z
N
(1M)
Single-side band phase noise,
1MHz from Carrier
622.08MHz -127
dBc/H
z
N
(10M)
Single-side band phase noise,
10MHz from Carrier
622.08MHz -137
dBc/H
z
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 80 500 ps
odc Output Duty Cycle 45 55 %
PSNR Power Supply Noise Rejection
50mV sinusoidal Noise
1kHz - 50MHz
-71.2 dBc
t
STARTUP
Device Startup Time after Power-up 10 ms
t
SET
Output Frequency Settling Time after
FSEL value is changed
1ms
