|
|
PDF SiT9121 Data sheet ( Hoja de datos )
| Número de pieza | SiT9121 | |
| Descripción | 1-220 MHz High Performance Differential Oscillator | |
| Fabricantes | SiTime | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de SiT9121 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
|
No Preview Available !
SiT9121
1-220 MHz High Performance Differential Oscillator
The Smart Timing Choice
Features
Any frequency between 1 MHz and 220 MHz accurate to 6 decimal
places
LVPECL and LVDS output signaling types
0.6ps RMS phase jitter (random) over 12 kHz to 20 MHz bandwidth
Frequency stability as low as ±10 ppm
Industrial and extended commercial temperature ranges
Industry-standard packages: 3.2x2.5, 5.0x3.2 and 7.0x5.0 mmxmm
For frequencies higher than 220 MHz, refer to SiT9122 datasheet
Applications
10GB Ethernet, SONET, SATA, SAS, Fibre Channel,
PCI-Express
Telecom, networking, instrumentation, storage, servers
Electrical Characteristics
Parameter and Conditions
Supply Voltage
Output Frequency Range
Frequency Stability
First Year Aging
10-year Aging
Operating TemperatureRange
Input Voltage High
Input Voltage Low
Input Pull-up Impedance
Start-up Time
Symbol
Min.
Typ.
Max.
Unit
Condition
LVPECL and LVDS, Common Electrical Characteristics
Vdd 2.97 3.3 3.63
V
2.25 2.5 2.75
V
2.25 – 3.63 V Termination schemes in Figures 1 and 2 - XX ordering code
f 1 – 220 MHz
F_stab
-10
–
+10 ppm
-20 – +20 ppm Inclusive of initial tolerance, operating temperature, rated power
-25 – +25 ppm supply voltage, and load variations
-50 – +50 ppm
F_aging1
-2
–
+2 ppm 25°C
F_aging10
-5
–
+5 ppm 25°C
T_use
-40
–
+85 °C Industrial
-20 – +70 °C Extended Commercial
VIH 70%
–
– Vdd Pin 1, OE or ST
VIL –
–
30%
Vdd Pin 1, OE or ST
Z_in – 100 250 kΩ Pin 1, OE logic high or logic low, or ST logic high
T_start
2
–
– – MΩ Pin 1, ST logic low
6 10 ms Measured from the time Vdd reaches its rated minimum value.
Resume Time
Duty Cycle
T_resume
DC
Current Consumption
OE Disable Supply Current
Output Disable Leakage Current
Standby Current
Maximum Output Current
Output High Voltage
Output Low Voltage
Output Differential Voltage Swing
Rise/Fall Time
OE Enable/Disable Time
RMS Period Jitter
Idd
I_OE
I_leak
I_std
I_driver
VOH
VOL
V_Swing
Tr, Tf
T_oe
T_jitt
RMS Phase Jitter (random)
T_phj
Current Consumption
OE Disable Supply Current
Differential Output Voltage
Idd
I_OE
VOD
In Standby mode, measured from the time ST pin
– 6 10 ms crosses 50% threshold.
45 – 55 % Contact SiTime for tighter dutycycle
LVPECL, DC and AC Characteristics
– 61 69 mA Excluding Load Termination Current, Vdd = 3.3V or 2.5V
– – 35 mA OE = Low
– – 1 µA OE = Low
– – 100 µA ST = Low, for all Vdds
– – 30 mA Maximum average current drawn from OUT+ or OUT-
Vdd-1.1 – Vdd-0.7 V See Figure 1(a)
Vdd-1.9 – Vdd-1.5 V See Figure 1(a)
1.2 1.6 2.0
V See Figure 1(b)
–
300 700
ps 20% to 80%, see Figure 1(a)
– – 115 ns f = 212.5 MHz - For other frequencies, T_oe = 100ns + 3 period
– 1.2 1.7 ps f = 100 MHz, VDD = 3.3V or 2.5V
– 1.2 1.7 ps f = 156.25 MHz, VDD = 3.3V or 2.5V
– 1.2 1.7 ps f = 212.5 MHz, VDD = 3.3V or 2.5V
–
0.6
0.85
ps
f = 156.25 MHz, Integration bandwidth = 12 kHz to 20 MHz, all
Vdds
LVDS, DC and AC Characteristics
– 47 55 mA Excluding Load Termination Current, Vdd = 3.3V or 2.5V
– – 35 mA OE = Low
250 350 450 mV See Figure 2
SiTime Corporation
Rev. 1.07
990 Almanor Avenue, Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised January 4, 2016
1 page  
SiT9121
1-220 MHz High Performance Differential Oscillator
LVDS:
The Smart Timing Choice
VDD
OUT+
LVDS Driver
OUT-
Z0 = 50 Ω
Z0 = 50 Ω
100 Ω
D+
Receiver Device
D-
Figure 6. LVDS Single Termination (LoadTerminated)
Rev. 1.07
Page 5 of 8
www.sitime.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SiT9121.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| SiT9121 | 1-220 MHz High Performance Differential Oscillator | SiTime |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |