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CVT32 PDF预览

CVT32

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
CRYSTEKMICROWAVE		振荡器晶体振荡器石英晶振压控振荡器有源晶体振荡电路温度补偿
页数	文件大小	规格书
1页	114K
描述
Temperature Compensated Crystal Oscillator Voltage Trim 3.2X5 mm SMD, 3V, TCVCXO

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CVT32 数据手册

CVT32 Model

Temperature Compensated

Crystal Oscillator

Voltage Trim

3.2X5 mm SMD, 3V, TCVCXO

Frequency Range:

10MHz to 30MHz

Calibration Tolerance:

Frequency Stability:

Temperature Range:

Storage:

±1.5ppm

±2.5ppm

-20°C to 80°C

-40°C to 90°C

3.0V ± 10%

Input Voltage:

Input Current:

Output:

1.2mA Typ., 2mA Max

0.8Vp-p Min

Designed to meet today's

requirements for precision

operation and small layout

applications. Temperature

c o m p e n s a t i o n i s

accomplished through

d i g i t a l t e c h n o l o g y .

Standard packaging is 1K

Waveform:

Clipped Sine

Load:

6-15Kohm // 2-10pF

1.5V ± 1.0V

Voltage Control:

Vcont Trim.

±4ppm Min, ±12ppm Max

-12 dBC Max

Harmonics:

Phase Noise:

-83 dBc/Hz Max

10Hz offset

-115 dBc/Hz Max 100Hz offset

-135 dBc/Hz Max 1KHz offset

-140 dBc/Hz Max 10KHz offset

1ppm Max / yr

tape and reel.

Aging:

SUGGESTED PAD LAYOUT

Dimensions inches (mm)

All dimensions are Max unless otherwise specified.

0.197 ±0.008

0.067

(1.7)

(5.0 ±0.2)

#1

#4

#2

#3

0.126 ±0.008

P/N DC

0.055

(1.4)

0.090

(2.3)

(3.2 ±0.2)

0.061

(1.55)

Freq

Max

0.055

(1.4)

0.102

(2.6)

0.150

(3.8)

Denotes pad 1

.1uF Bypass Capacitor Recommended

0.1uF

+

Oscilloscope

A

+

PIN

Function

3pF

Frequency

Counter

#4

#1

#3

#2

1

2

3

4

V cont

GND

OUT

PWR

Supply

Bypass

Cap.

OSC.

10K

ohm

10pF

Vcont

VDD

RECOMMENDED REFLOW SOLDERING PROFILE

Ramp-Up

3°C/Sec Max.

Critical Temperature

Crystek Part Number Guide

Zone

260°C

Ramp-Down

6°C/Sec.

Part Number

Frequency Stability

217°C

200°C

CVT32-Frequency

± 2.5ppm

Example: P/N CVT32-19.680MHZ

=

3.0V Input Voltage

±1.5ppm Calibration Tolerance

±2.5ppm Frequency Stability

-20°C to 80°C Operating Temp.

Volt. Trim, Clipped Sinewave

150°C

Preheat

90 Secs. Max.

180 Secs. Max.

8 Minutes Max.

Note* Not Recommended for ultrasonic wash

260°C for

10 Secs. Max.

NOTE: Reflow Profile with 240°C peak also acceptable.

TD-030301 Rev. F

Specifications subject to change without notice.

1

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