I538-1R3-20.000 datasheet, PDF

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I538-1R3-20.000: Description2.5 mm x 3.2 mm Ceramic Package SMD TCXO; File Size41KB，2 Pages; ManufacturerILSI; Websitehttp://www.ilsiamerica.com

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I538-1R3-20.000 Overview

2.5 mm x 3.2 mm Ceramic Package SMD TCXO

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2.5 mm x 3.2 mm Ceramic Package SMD TCXO

I537/I538/I737/I738 Series

3.20

Product Features:

Low Jitter, Non-PLL Based Output

Available in Both Clipped Sinewave and

HCMOS Output Levels

Compatible with Leadfree Processing

Applications:

Server & Storage

Sonet /SDH

802.11 / Wifi

T1/E1, T3/E3

Fibre Channel

2.50

Frequency

Output Level

Clipped Sinewave

HCMOS

Output Load

Clipped Sinewave

HCMOS

Duty Cycle (HCMOS)

Rise / Fall Time

(HCMOS)

Frequency Stability

Vs Temperature

Vs Voltage

Vs Load(5%)

Frequency Tolerance @ 25



Aging

Supply Voltage

Current

8.000 Mhz to 40 Mhz

0.8 V p-p Min.

‘0’=0.5 VDC Max., ‘1’=0.8Vcc Min.

20K Ohms / 10 pF

15pF

50% ±10%

1.2 Max.

0.10

0.84

0.60

10 nS Max.

0.10

See Frequency Stability Table



0.3 ppm Max.

.0.2

ppm Max.



1.0 ppm



1 ppm / Year Max.

See Supply Voltage Table , tolerance



2.0 mA Max. (Clipped Sinewave)

6.0 mA Max. (HCMOS)

Recommended Pad Layout

2.40

2.0

1.3

0.9

Voltage Control

(I737/I738)

Operating

Storage

Phase Noise

(Typ. @ 20 Mhz)

1.5 VDC



1.0 VDC,



5.0 ppm Min.

See Operating Temperature Table

-40



C to +85



-86 dBc/Hz @ 10 Hz

-115 dBc/Hz @ 100 Hz

-138 dBc/Hz @ 1KHz

-146 dBc/Hz @ 10 Khz

Connection

Vcontrol / N.C.

GND

Output

Vcc

Dimension Units: mm

Package

I537 (Clipped Sinewave TCXO)

I538 (HCMOS TCXO)

I737 (Clipped Sinewave TCVCXO)

I738 (HCMOS TCVCXO)

Part Number Guide

Operating Temperature

7 = 0 C to +50 C

1 = 0 C to +70 C

3 = -20 C to +70 C

2 = -40 C to +85 C

Sample Part Number: I537-1Q3-20.000 Mhz

FrequencyStability vs Temperature

Supply Voltage

**N =

1.0

ppm

**O =

1.5

ppm

**P =

2.0

ppm

Q =

2.5

ppm

R =

3.0

ppm

J =

5.0

ppm

3 = 3.3 V

7 = 3.0 V

2 = 2.7 V

Frequency

- 20.000 MHz

NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and GND (pin 2) to minimize power supply noise.

** Not available for all temperature ranges.

ILSI

America

Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com

12/20/11 _D

Specifications subject to change without notice

Page 1

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