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SiT5002

Features



Preliminary

The Smart Timing Choice

80-220 MHz MEMS TCXO and VCTCXO

Applications



Any frequency between 80.000001 and 220 MHz accurate to 6

decimal places

100% pin-to-pin drop-in replacement to quartz-based (VC)TCXO

Frequency stability as low as ±5 ppm. Contact SiTime for tighter

stability options

Ultra low phase jitter: 0.5 ps (12 kHz to 20 MHz)

Voltage control option with pull range from ±12.5 ppm to ±50 ppm

LVCMOS/HCMOS compatible output

Voltage control, standby, output enable or no connect modes

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

Outstanding silicon reliability of 2 FIT, 10 times better than quartz

Pb-free, RoHs and REACH compliant

Ideal for telecom, networking, smart meter, GPS and wireless

applications

Electrical Characteristics

Parameter

Output Frequency Range

Initial Tolerance

Stability Over Temperature

Symbol

f

F_init

F_stab

Min.

80.000001

-1.5

-5

Typ.

–

Max.

220

1.5

+5

Unit

MHz

ppm

At 25°C after two reflows

Over operating temperature range at rated nominal power

supply voltage and load. (see

ordering codes on page 5)

Contact SiTime for tighter stability options.

Supply Voltage

Output Load

First year Aging

10-year Aging

Operating Temperature Range

Supply Voltage

T_use

Vdd

F_vdd

F_load

F_aging

–

-2.5

-4.0

-20

-40

1.71

2.25

2.52

2.70

2.97

Pull Range

Upper Control Voltage

Control Voltage Range

Control Voltage Input Impedance

Frequency Change Polarity

Control Voltage -3dB Bandwidth

Current Consumption

OE Disable Current

PR

VC_U

VC_L

Z_vc

–

V_BW

Idd

I_OD

–

Standby Current

Duty Cycle

LVCMOS Rise/Fall Time

Output Voltage High

Output Voltage Low

Input Voltage High

Input Voltage Low

Input Pull-up Impedance

I_std

DC

Tr, Tf

VOH

VOL

VIH

VIL

Z_in

–

45

–

90%

–

70%

–

Vdd-0.1

–

100

0.05

0.1

–

1.8

2.5

2.8

3.0

3.3

±12.5, ±25, ±50

–

Positive slope

–

31

29

–

1.5

–

100

8

33

31

30

70

10

55

2

–

10%

–

30%

250

–

0.1

–

+2.5

+4.0

+70

+85

1.89

2.75

3.08

3.3

3.63

ppm

°C

V

ppm

V

k

–

kHz

mA

µA

%

ns

Vdd

k

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

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

Vdd = 2.5V, 2.8V or 3.3V, OE = GND, output is Weakly Pulled

Condition

±10% Vdd (±5% for Vdd = 1.8V)

±10% of 15 pF load

25°C

Extended Commercial

Industrial

Contact SiTime for any other supply voltage options.

All Vdds. Voltage at which maximum deviation is guaranteed.

Vdd = 1.8 V. OE = GND, output is Weakly Pulled Down

Vdd = 2.5V, 2.8V or 3.3V, ST = GND, output is Weakly Pulled Down.

Vdd = 1.8V. ST = GND, output is Weakly Pulled Down.

All Vdds

LVCMOS option. Default rise/fall time, All Vdds, 10% - 90%

Vdd.

OH = -7 mA, IOL = 7 mA, (Vdd = 3.3V, 3.0V)

IOH = -4 mA, IOL = 4 mA, (Vdd = 2.8V, 2.5V)

IOH = -2 mA, IOL = 2 mA, (Vdd = 1.8V)

Pin 1, OE or ST

SiTime Corporation

Rev. 1.0

990 Almanor Avenue

Sunnyvale, CA 94085

(408) 328-4400

www.sitime.com

Revised November 12, 2015

SiT5002

80-220 MHz MEMS TCXO and VCTCXO

The Smart Timing Choice

Electrical Characteristics (continued)

Parameter

Startup Time

OE Enable/Disable Time

Resume Time

RMS Period Jitter

RMS Phase Jitter (random)

Symbol

T_start

T_oe

T_resume

T_jitt

T_phj

Min.

–

Typ.

–

6

1.7

0.5

Max.

10

150

10

2

1

Unit

ms

ns

ms

ps

Condition

Measured from the time Vdd reaches its rated minimum value

f = 80 MHz. For other frequencies, T_oe = 100 ns + 3 cycles

Measured from the time ST pin crosses 50% threshold

f = 10 MHz, Vdd = 2.5V, 2.8V or 3.3V

f = 10 MHz, Vdd = 1.8V

f = 10 MHz, Integration bandwidth = 12 kHz to 20 MHz, All Vdds

Note:

1. All electrical specifications in the above table are measured with 15pF output load, Contact SiTime for higher drive options.

Pin Configuration

Symbol

V control

Output

Enable

1

VC/OE/ST/NC

Standby

NC

2

3

4

GND

CLK

VDD

Power

Output

Power

Voltage control

H or Open

[2]

: specified frequency output

L: output is high impedance. Only output driver is disabled.

H or Open

[2]

: specified frequency output

L: output is low (weak pull down). Device goes to sleep mode. Supply

current reduces to I_std.

No connect (input receiver off)

Electrical and case ground

Oscillator output

Power supply voltage

GND

2

3

Functionality

Top View

VC/OE/ST

1

4

VDD

OUT

Note:

2. A pull-up resistor of <10 k? between OE/ ST pin and Vdd is recommended in high noise environment when the device operates in OE/ST mode.

Absolute Maximum

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

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

Parameter

Storage Temperature

VDD

Electrostatic Discharge

Soldering Temperature (follow standard Pb free soldering guidelines)

Min.

-65

-0.5

–

Max.

150

4

2000

260

Unit

°C

V

°C

Environmental Compliance

Parameter

Mechanical Shock

Mechanical Vibration

Temperature Cycle

Solderability

Moisture Sensitivity Level

Condition/Test Method

MIL-STD-883F, Method 2002

MIL-STD-883F, Method 2007

JESD22, Method A104

MIL-STD-883F, Method 2003

MSL1 @ 260°C

Rev. 1.0

Page 2 of 6

www.sitime.com

SiT5002

80-220 MHz MEMS TCXO and VCTCXO

The Smart Timing Choice

Timing Diagram

90% Vdd, 2.5/2,8/3.3V devices

Vdd

95% Vdd, 1.8V devices

Vdd

Pin 4 Voltage

50% Vdd

T_resume

CLK Output

ST Voltage

T_start

T_start: Time to start from power-off

T_resume: Time to resume from ST

(ST/OE Mode)

(ST Mode Only)

Phase Noise Plot

Phase Noise, 100MHz carrier, 3.3V, LVCMOS output, TCXO

-90

-100

-110

-120

-130

-140

-150

-160

3

10

Integrated random phase jitter (RMS, 12kHz-20MHz): 0.51ps

Phase Noise (dBc/Hz)

10

4

10

Frequency Offset (Hz)

5

6

10

7

Rev. 1.0

Page 3 of 6

www.sitime.com

SiT5002

80-220 MHz MEMS TCXO and VCTCXO

The Smart Timing Choice

Dimensions and Patterns

Package Size – Dimensions (Unit: mm)

[3]

2.7 x 2.4 x 0.75 mm (100% compatible with 2.5 x 2. 0 mm footprint)

Recommended Land Pattern (Unit: mm)

[4]

YXXXX

3.2 x 2.5 x 0.75 mm

2.2

#4

3.2 ± 0.05

#4

#3

2.1

2.5 ± 0.05

0.9

0.7

YXXXX

#1

#2

1.9

#2

#1

0.75 ± 0.05

0.9

1.4

5.0 x 3.2 x 0.75 mm

2.54

5.0 ± 0.05

#4

#3

2.39

#4

3.2 ± 0.05

0.8

1.1

YXXXX

#1

#2

2.2

0.75 ± 0.05

#2

#1

1.15

1.5

7.0 x 5.0 x 0.90 mm

7.0 ± 0.05

5.08

5.0 ± 0.05

2.6

YXXXX

1.1

3.81

0.90 ± 0.10

1.4

2.2

Notes:

3. Top marking: 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

F

between Vdd and GND is recommended.

Rev. 1.0

Page 4 of 6

2.0

1.6

1.2

www.sitime.com

SiT5002

80-220 MHz MEMS TCXO and VCTCXO

The Smart Timing Choice

Ordering Information

The Part No. Guide is for reference only. To customize and build an exact part number, use the SiTime

Part Number

Generator.

SiT5002AC -2E-18VQ-1 5 5.520000T

Packaging

Part Family

SiT5002

Revision Letter

“A” is the revision

Temperature Range

“C” Commercial, -20 to 70ºC

“I” Industrial, -40 to 85ºC

Output Waveform

“-“ Default

[5]

Frequency

80.000001 to 220.000000 MHz

“0” for fixed frequency

(Pin1 = “E”, “S” or “N” options)

Pull Range Options

(Pin1 = “V” option only)

“Q” for ±12.5 ppm

“M” for ±25 ppm

“B” for ±50 ppm

Feature Pin (pin 1)

“V” for Voltage Control

“E” for Output Enable

“S” for Standby

“N” for No Connect

Supply Voltage

“18” for 1.8 V ±5%

“25” for 2.5 V ±10%

“28” for 2.8 V ±10%

“30” for 3.0 V ±10%

“33” for 3.3 V ±10%

“T”: Tape & Reel, 3K reel

“Y”: Tape & Reel, 1K reel

Blank for Bulk

Package Size

“G”

“2”

“3”

“8”

2.5 x 2.0 mm

3.2 x 2.5 mm

5.0 x 3.2 mm

7.0 x 5.0 mm

Frequency Stability

[6]

“E” for ±5 ppm

Notes:

5. SiTime’s SoftEdge™ output waveform with 6 ns rise/fall time reduces EMI and is similar to clipped sine wave in functionality.

6. Contact SiTime for tighter stability options.

Rev. 1.0

Page 5 of 6

www.sitime.com

参数名称	属性值
类型	MEMS TCXO
安装类型	表面贴装
封装/外壳	4-SMD，无引线
大小/尺寸	0.126" 长 x 0.098" 宽（3.20mm x 2.50mm）
高度 - 安装（最大值）	0.032"（0.80mm）

SIT5002AC-2E-33E0-100.000000Y

SIT5002AC-2E-33E0-100.000000Y概述

SIT5002AC-2E-33E0-100.000000Y规格参数

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