I521-2R3-20.000 datasheet, PDF

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I521-2R3-20.000: DescriptionSurface Mount Oscillator, TCXO, TCVCXO Metal Package, 11 mm x 18 mm; File Size37KB，1 Pages; ManufacturerILSI; Websitehttp://www.ilsiamerica.com

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I521-2R3-20.000 Overview

Surface Mount Oscillator, TCXO, TCVCXO Metal Package, 11 mm x 18 mm

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Surface Mount Oscillator, TCXO, TCVCXO

Metal Package, 11 mm x 18 mm

Frequency

Output Level

Level

Duty Cycle

Rise / Fall Time

Output Load

Frequency Stability

Frequency Stability at +25° C

Aging

Supply Voltage

Current

Control Voltage (I721 / I722)

Slope

Temperature

Operating

Storage

Environmental

Package Information

I521 / I522 / I721 / I722 Series *

I522 / I722

I521 / I721

1.000 MHz to 40.000 MHz

10.000 MHz to 40.000 MHz

HC-MOS / TTL

Clipped Sine

‘0’ = 0.1 Vcc Max., ‘1’ = 0.9 Vcc Min.

1.0 V p-p Min.

50%

10%

10 nS Max.

15 pF, Fo < 50 MHz = 10 TTL, Fo > 50 MHz = 5 LSTTL

20K Ohms / 10 pF

See Frequency Stability Table

1 ppm (I521 and I522)

1 ppm / Year Max.

See Supply Voltage Table, tolerance

±5

50 mA Max. **

3 mA Max.

1.65 VDC

1.5 VDC,

±5

ppm Min. for Vcc = 3.3 VDC, 2.5 VDC

2.0 VDC,

±5

ppm Min. for Vcc = 5.0 VDC

Positive

See Operating Temperature Table

-40° C to +85° C

See Appendix B for information

MSL = 2a, Termination = e1

* I522 = HC-MOS TCXO, I521 = Clipped Sine TCXO, I722 = HC-MOS TCVCXO, I721 = Clipped Sine TCVCXO

Part Number Guide

Package and Output

I521 -

I522 -

I721 -

I722 -

Sample Part Number:

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

I521 - 1Q3 - 20.000

Supply Voltage

5 = 5.0 VDC

3 = 3.3 VDC

- 20.000 MHz

Frequency

Frequency Stability vs. Temperature

*O =

±1.5

ppm

*P =

±2.0

ppm

Q =

±2.5

ppm

R =

±3.0

ppm

J =

±5.0

ppm

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. ** Frequency, supply, and load related parameters.

07/08

ILSI America

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

Specifications subject to change without notice

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