SIT3372AI-1C9-33EX122.123456T datasheet, PDF

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SIT3372AI-1C9-33EX122.123456T: DescriptionLVPECL Output Clock Oscillator, 122.123456MHz Nom, QFN-6; CategoryPassive components oscillator; File Size486KB，16 Pages; ManufacturerSiTime

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SIT3372AI-1C9-33EX122.123456T Overview

LVPECL Output Clock Oscillator, 122.123456MHz Nom, QFN-6

SIT3372AI-1C9-33EX122.123456T Parametric

Parameter Name	Attribute value
Maker	SiTime
package instruction	SOLCC6,.12
Reach Compliance Code	compliant
Other features	ENABLE/DISABLE FUNCTION; COMPLEMENTARY OUTPUT
Maximum control voltage	2.97 V
Minimum control voltage	0.33 V
maximum descent time	0.29 ns
Frequency Adjustment - Mechanical	NO
Frequency offset/pull rate	400 ppm
frequency stability	35%
JESD-609 code	e4
linearity	1%
Installation features	SURFACE MOUNT
Number of terminals	6
Nominal operating frequency	122.123456 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	LVPECL
Output load	50 OHM
Encapsulate equivalent code	SOLCC6,.12
physical size	5mm x 3.2mm x 0.9mm
longest rise time	0.29 ns
Maximum slew rate	92 mA
Maximum supply voltage	3.63 V
Minimum supply voltage	2.97 V
Nominal supply voltage	3.3 V
surface mount	YES
maximum symmetry	55/45 %
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Base Number Matches	1

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SiT3372

1 MHz to 220 MHz Ultra-low Jitter Differential VCXO

Features

Any frequency between 1 MHz and 220 MHz accurate to 6

decimal places

Widest pull range options: ±25, ±50, ±80, ±100, ±150, ±200,

±400, ±800, ±1600, ±3200 ppm

0.23 ps RMS phase jitter (typ) over 12 kHz to 20 MHz

bandwidth

Wide temperature range support from -40°C to 105°C

Industry-standard packages: 7.0 x 5.0 mm, 5.0 x 3.2 mm,

3.2 x 2.5 mm packages

For frequencies 220.000001 MHz to 720 MHz, refer to

SiT3373

Applications

Cable Modem Termination System (CMTS), Video,

Broadcasting System, Audio, Industrial Sensors,

Remote Radio Head (RRH)

SATA, SAS, 10Gbps Ethernet, Fibre Channel,

PCI-Express

Electrical Characteristics

Table 1. Electrical Characteristics – Common to LVPECL, LVDS and HCSL

All Min and Max limits in the Electrical Characteristics tables are specified over temperature and rated operating voltage with standard

output termination show in the termination diagrams. Typical values are at 25°C and nominal supply voltage.

Parameter

Output Frequency Range

Frequency Stability

Symbol

F_stab

Min.

-15

-25

-35

-50

Operating Temperature Range

T_use

-20

-40

Supply Voltage

Vdd

2.97

2.7

2.52

2.25

Pull Range

Typ.

–

3.3

3.0

2.8

2.5

Max.

220

+15

+25

+35

+50

+70

+85

+95

+105

3.63

3.3

3.08

2.75

Unit

MHz

ppm

°C

ppm

See the APR (Absolute Pull Range)

Table 11.

Contact

SiTime

for custom pull range options.

Voltage at which maximum frequency deviation is guaranteed

Voltage at which minimum frequency deviation is guaranteed

Contact

SiTime

for other input bandwidth options

Extended Industrial

Extended Commercial

Industrial.

Condition

Accurate to 6 decimal places

Inclusive of initial tolerance, operating temperature, rated power

supply voltage, load variations, and first year aging at 25°C.

Contact

SiTime

for ±15 ppm.

Frequency Range

Frequency Stability

Temperature Range

Supply Voltage

Voltage Control Characteristics

±25, ±50, ±80, ±100, ±150,

±200, ±400, ±800, ±1600,

±3200

90%

–

10%

–

1.0

–

Input Characteristics

Input Voltage High

Input Voltage Low

Input Pull-up Impedance

Duty Cycle

Startup Time

OE Enable/Disable Time

VIH

VIL

Z_in

T_start

T_oe

70%

–

100

–

30%

3.0

3.8

Vdd

kΩ

µs

Measured from the time Vdd reaches its rated minimum value.

f = 156.25 MHz. Measured from the time OE pin reaches

rated VIH and VIL to the time clock pins reach 90% of swing

and high-Z. See

Figure 7

and

Figure 8

Pin 2, OE

Pin 2, OE logic high or logic low

Upper Control Voltage

Lower Control Voltage

Control Voltage Input Impedance

Control Voltage Input Bandwidth

Pull Range Linearity

Frequency Change Polarity

VC_U

VC_L

VC_z

V_c

Lin

–

Vdd

MΩ

kHz

Positive Slope

Output Characteristics

Startup and OE Timing

Rev 1.03

May 10, 2018

www.sitime.com

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