Skyworks Si5332, Руководство пользователя

Страница: 23 / 74

Table 5.3. Clock Input Specifications
(V
DD
= V
DDA
= V
DD_DIG
= V
DD_XTAL
= 1.8 V to 3.3 V +10%/-5%, V
DDO
= 1.8 V ±5%, 2.5 V ±5%, or 3.3 V ±5%, T
A
= –40 to 85 °C)
Parameter Symbol Test Condition Min Typ Max Units
Input Clock (AC-Coupled Differential Input Clock on CLKIN_2/CLKIN_2# or CLKIN_3/CLKIN_3#)
Frequency
F
IN
Differential 10 — 250 MHz
Voltage Swing V
PP_DIFF
3
Differential AC-coupled
< 333.33 MHz
0.5 — 1.8
V
PP_diff
Slew Rate SR/SF 20-80% 0.75 — — V/ns
Duty Cycle DC 40 — 60 %
Input Impedance
R
IN
10 — — kΩ
Input Capacitance
C
IN
2 3.5 6 pF
Input Clock (AC or DC Coupled LVCMOS Input Clock on CLKIN_2 or CLKIN_3)
Frequency
F
IN
10 — 170 MHz
Input High Voltage
V
IH
0.8 × V
DD
— — V
Input Low Voltage
V
IL
— —
0.2 × V
DD
V
Slew Rate
1,2
SR/SF 20-80% 0.75 — — V/ns
Duty Cycle DC 40 — 60 %
Input Capacitance
C
IN
2 3.5 6 pF
Input Clock (AC-Coupled Input Clock on XA)
Frequency
F
IN
10 — 170 MHz
Voltage Swing — 1 Vpp
Input Low Voltage
V
IL
— —
0.2 x V
DD
V
Slew Rate
1, 2
SR/SF 20–80% 0.75 — — V/ns
Duty Cycle DC 40 — 60 %
Input Capacitance
C
IN
2 3.5 6 pF
Notes:
1. Imposed for jitter performance.
2. Rise and fall times can be estimated using the following simplified equation: tr/tf
80-20
= ((0.8 - 0.2) * V
IN_Vpp_se
) / SR.
3. V
PP_DIFF
= 2 x V
PP_SINGLE-ENDED
Si5332 Data Sheet • Electrical Specifications
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
23 Rev. 1.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 16, 2021 23