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SiT3701

Smallest Voltage Controlled MEMS Oscillator (VCMO)

■

Features, Benefits and Applications

■

The world’s only VCMO with programmable pull range: ±60 PPM, ±120 PPM, ±240 PPM

■

Typical pull range linearity of 0.06%

■

1-110 MHz frequency range

■

LVCMOS/LVTTL compatible output

■

Typical power consumption of 6.1 mA in active mode

■

Typical VCMO tuning voltage: 0 V to 1.85 V for all Vdds

■

Four industry-standard 4-pin packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm

■

All-silicon timing device with outstanding reliability of 2 FIT (10x improvement over

quartz-based devices), enhancing system MTBF

■

Ultra short lead time

■

Ideal for Set-top Box, DTV, DVD-R, instrumentation, low bandwidth analog PLL,

networking and communications

■

Specifications

Electrical Characteristics

Parameter

Output Frequency Range

Frequency Stability

Symbol

F_stab

Min.

-20

-25

-30

-50

Pull Range

[1,2]

Typ.

–

±60, ±120, ±240

–

0.06

Positive slope

–

1.8

2.5

2.8

3.3

6.7

6.1

–

Max.

110

+20

+25

+30

+50

1.85

0.1

0.25

+70

+85

1.89

2.75

3.08

3.63

7.5

6.7

2.0

2.5

–

Unit

MHz

PPM

–

°C

%Vdd

Condition

Inclusive of: Initial stability, operating temperature, rated power,

supply voltage change, load change.

±20 PPM is available for extended commercial temperature

only.

VC_U

VC_L

Lin

–

T_use

Vdd

1.55

–

-20

-40

1.71

2.25

2.52

2.97

–

Upper Control Voltage

Lower Control Voltage

Linearity

Frequency Change Polarity

Operating Temperature Range

Supply Voltage

All Vdds. Voltage at which maximum deviation (+60, +120,

+240 PPM) is guaranteed.

All Vdds. Voltage at which maximum deviation (-60, -120,

-240 PPM) is guaranteed.

Extended Commercial

Industrial

Current Consumption

Duty Cycle

Rise/Fall Time

Output Voltage High

Idd

Tr, Tf

VOH

No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V

No load condition, f = 20 MHz, Vdd = 1.8 V

All Vdds. f <= 75 MHz

All Vdds. f > 75 MHz

Vdd = 2.5, 2.8 or 3.3 V, 20% - 80% Vdd level

Vdd = 1.8 V, 20% - 80% Vdd level

IOH = -4 mA (Vdd = 3.3 V)

IOH = -3 mA (Vdd = 2.8 V and Vdd = 2.5 V)

IOH = -2 mA (Vdd = 1.8 V)

IOL = 4 mA (Vdd = 3.3 V)

IOL = 3 mA (Vdd = 2.8 V and Vdd = 2.5 V)

IOL = 2 mA (Vdd = 1.8 V)

Maximum frequency and supply voltage

Contact SiTime for higher output load

Time @ minimum supply voltage to be zero

f = 75 MHz, Vdd = 1.8 V

f = 75 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V

f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,

VDD = 2.5 V, 2.8 V, or 3.3 V

f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,

VDD = 1.8 V

Output Voltage Low

VOL

–

%Vdd

Output Load

Start-up Time

RMS Period Jitter

RMS Phase Jitter (random)

T_osc

T_jitt

T_phj

–

0.6

0.8

–

Notes:

1. Absolute Pull Range (APR) is defined as the guaranteed pull range over temperature and voltage.

2. APR = pull range (PR) - frequency stability (F_stab).

SiTime Corporation

Rev. 1.51

990 Almanor Avenue

Sunnyvale, CA 94085

(408) 328-4400

www.sitime.com

Revised August 9. 2010

SiT3701

Smallest Voltage Controlled MEMS Oscillator (VCMO)

■

Specifications (Cont.)

Pin Description Tables

Pin #1 Functionality

VIN

0 - 1.85 V: produces voltage dependent frequency change

Pin Map

Connection

VIN

GND

CLK

VDD

Absolute Maximum Ratings

Attempted operation outside the absolute maximum ratings of the part may cause permanent damage to the part. Actual performance of the IC

is only guaranteed within the operational specifications, not at absolute maximum ratings.

Parameter

Storage Temperature

VDD

Electrostatic Discharge

Theta JA (with copper plane on VDD and GND)

Theta JC (with PCB traces of 0.010 inch to all pins)

Soldering Temperature (follow standard Pb free soldering guidelines)

Number of Program Writes

Program Retention over -40 to 125°C, Process, VDD (0 to 3.65 V)

Min.

-65

-0.5

–

1,000+

Max.

150

6000

260

–

Unit

°C

C/W

°C

years

Environmental Compliance

Parameter

Mechanical Shock

Mechanical Vibration

Temperature Cycle

Solderability

Moisture Sensibility Level

Condition/Test Method

MIL-STD-883F, Method 2002; 50kG

MIL-STD-883F, Method 2007; 70G

JESD22, Method A104

MIL-STD-883F, Method 2003

MSL1 @ 260°

Rev. 1.51

Page 2 of 4

www.sitime.com

SiT3701

Smallest Voltage Controlled MEMS Oscillator (VCMO)

■

Dimensions and Land Patterns

Package Size – Dimensions (Unit: mm)

[3]

2.5 x 2.0 x 0.75 mm

2.5 ± 0.10

Recommended Land Pattern (Unit: mm)

[4]

1.00

1.9

2.0 ± 0.10

YXXXX

1.1

0.75 ± 0.05

0.75

1.1

3.2 x 2.5 x 0.75 mm

3.2 ± 0.15

2.1

2.2

2.5 ± 0.15

YXXXX

0.9

0.75 ± 0.05

0.9

1.4

5.0 x 3.2 x 0.75 mm

5.0 ± 0.15

2.39

2.54

YXXXX

3.2 ± 0.15

0.8

0.75 ± 0.05

1.15

1.5

7.0 x 5.0 x 0.90 mm

7.0 ± 0.15

5.08

1.7

5.08

5.0 ± 0.15

2.6

1.1

3.81

YXXXX

2.1

No Connect

[5]

0.90 ± 0.10

1.4

2.2

Notes:

3. Y denotes manufacturing origin and XXXX denotes manufacturing lot number. The value of “Y” will depend on the assembly location of the device.

4. A capacitor of value 0.1

µF

between Vdd and GND is recommended.

5. The 7050 package with part number designation "-8" has NO center pad.

Rev. 1.51

Page 3 of 4

2.0

1.6

1.1

2.2

1.2

0.7

1.9

1.0

0.5

1.5

www.sitime.com

SiT3701

Smallest Voltage Controlled MEMS Oscillator (VCMO)

■

Part No. Guide

How to Order

The Part No. Guide is for reference only. For real-time customization and exact part number, use the SiTime

Part Number Generator.

SiT3701AC -14-18F - 105.12345T

Packaging

Part Family

“SiT3701”

Revision Letter

“A” is the revision

Temperature Range

“C” Commercial, -20 to 70ºC

“I” Industrial, -40 to 85ºC

Output Driver Strength

[6]

“–” Default

Package Size

“1” 2.5 x 2.0 mm

“2” 3.2 x 2.5 mm

“3” 5.0 x 3.2 mm

“4” 7.0 x 5.0 mm

“8” 7.0 x 5.0 mm

[7]

“T”: Tape & Reel, 3K reel

“Y”: Tape & Reel, 1K reel

Blank for Bulk

Frequency

1.00000 to 110.00000 MHz

Pull Range Options

“C” for ±60 PPM

“F” for ±120 PPM

“I” for ±240 PPM

Supply Voltage

“18” for 1.8 V ±5%

“25” for 2.5 V ±10%

“28” for 2.8 V ±10%

“33” for 3.3 V ±10%

Frequency Stability

“1” for ±20 PPM

“2” for ±25 PPM

“3” for ±50 PPM

“8” for ±30 PPM

Notes:

6. Contact SiTime for different drive strength options for driving higher loads or reducing EMI.

7. Without Center Pad.

Frequency Stability vs. Temperature Range Options

Frequency

Stability (PPM)

Temperature

Range

C (-20 to +70°

Supply Voltage

1.8 V

2.5 V

2.8 V

3.3 V

I (-40 to +85°C)

C (-20 to +70°

I (-40 to +85°C)

C (-20 to +70°

I (-40 to +85°C)

C (-20 to +70°

I (-40 to +85°C)

–

Product which is caused in whole or in part by (i) use of any circuitry other than circuitry embodied in a SiTime product, (ii) misuse or abuse including static discharge, neglect or accident, (iii)

unauthorized modification or repairs which have been soldered or altered during assembly and are not capable of being tested by SiTime under its normal test conditions, or (iv) improper

installation, storage, handling, warehousing or transportation, or (v) being subjected to unusual physical, thermal, or electrical stress.

Disclaimer:

SiTime makes no warranty of any kind, express or implied, with regard to this material, and specifically disclaims any and all express or implied warranties, either in fact or by

operation of law, statutory or otherwise, including the implied warranties of merchantability and fitness for use or a particular purpose, and any implied warranty arising from course of dealing or

usage of trade, as well as any common-law duties relating to accuracy or lack of negligence, with respect to this material, any sitime product and any product documentation. products sold by

sitme are not suitable or intended to be used in a life support application or component, to operate nuclear facilities, or in other mission critical applications where human life may be involved or

at stake. all sales are made conditioned upon compliance with the critical uses policy set forth below.

CRITICAL USE EXCLUSION POLICY

BUYER AGREES NOT TO USE SITIME'S PRODUCTS FOR ANY APPLICATION OR IN ANY COMPONENTS USED IN LIFE SUPPORT DEVICES OR TO OPERATE NUCLEAR FACILITIES

OR FOR USE IN OTHER MISSION-CRITICAL APPLICATIONS OR COMPONENTS WHERE HUMAN LIFE OR PROPERTY MAY BE AT STAKE.

SiTime owns all rights, title and interest to the intellectual property related to SiTime's products, including any software, firmware, copyright, patent, or trademark. The sale of SiTime products

does not convey or imply any license under patent or other rights. SiTime retains the copyright and trademark rights in all documents, catalogs and plans supplied pursuant to or ancillary to

the sale of products or services by SiTime. Unless otherwise agreed to in writing by SiTime, any reproduction, modification, translation, compilation, or representation of this material shall be

strictly prohibited.

Rev. 1.51

Page 4 of 4

Revised August 9. 2010