Datasheet

ADCLK914
Rev. A | Page 3 of 12
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
CC
= 3.3 V, V
EE
= 0 V, T
A
= −40°C to +125°C. All outputs terminated through 50 Ω to V
CC
, unless otherwise noted.
Table 1.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DC INPUT CHARACTERISTICS
Input High Voltage V
IH
V
EE
+ 1.65 V
CC
V
Input Low Voltage V
IL
V
EE
V
CC
− 0.2 V
Input Differential Range V
ID
0.2 3.4 V p-p
T
A
= −40°C to +85°C
(±1.7 V between input pins)
0.2 2.8 V p-p
T
A
= 85°C to 125°C
(±1.4 V between input pins)
Input Capacitance C
IN
0.4 pF
Input Resistance 50 Ω
Differential Mode 100 Ω
Common Mode 50 kΩ Open termination
Input Bias Current 20 µA
DC OUTPUT CHARACTERISTICS
Output High Voltage V
OH
V
CC
− 0.55 V
CC
− 0.40 V
CC
− 0.25 V
Output Low Voltage V
OL
V
CC
− 2.75 V
CC
− 2.35 V
CC
− 1.9 V
Output Differential Range V
OD
1.54 1.95 2.22 V
Reference Voltage V
REF
Output Voltage (V
CC
+ 1)/2 V −500 A to +500 A
Output Resistance 250 Ω
AC PERFORMANCE
Operating Frequency 7.5 GHz
>1.1 V differential output swing,
V
CC
= 3.3 V ± 10%
Propagation Delay t
PD
127 158 202 ps
V
CC
= 3.3 V ± 10%,V
ICM
= V
REF
,
V
ID
= 1.6 V p-p
Propagation Delay Temperature
Coefficient
140 fs/°C
Propagation Delay Skew (Device
to Device)
65 ps V
ID
= 1.6 V p-p
Output Rise Time t
R
100 125 ps 20%/80%
Output Fall Time t
F
80 95 ps 80%/20%
Wideband Random Jitter
1
RJ 110 fs rms V
ID
= 1.6 V p-p, 6 V/ns, V
ICM
= 1.85 V
Additive Phase Noise
622.08 MHz −132 dBc/Hz @10 Hz offset
−143 dBc/Hz @100 Hz offset
−151 dBc/Hz @1 kHz offset
−156 dBc/Hz @10 kHz offset
−157 dBc/Hz @100 kHz offset
−156 dBc/Hz >1 MHz offset
245.76 MHz −133 dBc/Hz @10 Hz offset
−143 dBc/Hz @100 Hz offset
−153 dBc/Hz @1 kHz offset
−158 dBc/Hz @10 kHz offset
−159 dBc/Hz @100 kHz offset
−158 dBc/Hz >1 MHz offset