CVXO-018TM [ETC]

Voltage Controlled Crystal Oscillator; 压控晶体振荡器


型号：	CVXO-018TM
厂家：	ETC
描述：	Voltage Controlled Crystal Oscillator 压控晶体振荡器振荡器晶体振荡器
文件：	总1页 (文件大小：113K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Voltage Controlled

Crystal Oscillator

CVXO-018T Model

5X7 mm SMD, 3.3V, HCMOS

Frequency Range:

1MHz to 52MHz

Frequency Stability:

Temperature Range:

Operating:

±25ppm to ±100ppm

0°C to 70°C

(Option M)

(Option X)

-20°C to 70°C

-40°C to 85°C

-55°C to 125°C

3.3V ± 0.3V

Storage:

Designed to meet today's

requirements for 3.3V

V o l t a g e C o n t r o l l e d

Crystal Oscillator SMD

A p p l i c a t i o n s . T h e

CVXO-018T provides a

disable function for ICT

(in-circuit-testing).

Available on 16mm tape

and reel in quantities of

1K.

Input Voltage:

Control Voltage:

Settability At Nominal:

Control Range:

Input Current:

Output:

1.65V ±1.65V

1.65V ±0.25V

±100ppm Min

40mA Max

HCMOS

Load:

15pF

Symmetry:

40/60% Max @ 50% Vdd

5ns Max @ 20% to 80% Vdd

"0" = 10% Vdd Max

"1" = 90% Vdd Min

±10% Max

Rise/Fall Time:

Logic:

Linearity:

Aging:

<3ppm 1st/yr, <1ppm every year thereafter

SUGGESTED PAD LAYOUT

Dimensions inches (mm)

.055 ±.003

(1.40 ±.08)

All dimensions are Max unless otherwise specified.

.071 SQ

(1.80)

.283

(7.20)

.148

.055 ±.003

(1.40 ±.08)

P/N

.203

(3.75)

.075

(1.80)

(5.15)

Freq DC

.200 ±.005

(5.08 ±.13)

.200

Denotes pad 1

(5.08)

0.01uF Bypass Capacitor Recommended

RECOMMENDED REFLOW SOLDERING PROFILE

Ramp-Up

Critical Temperature

3°C/Sec Max.

Zone

Ramp-Down

6°C/Sec.

260°C

Crystek Part Number Guide

CVXO-018T X - 25 - 49.152

217°C

200°C

#1 Crystek VCXO

#2 Model

150°C

Stability Indicator

#3 Temp. Range: Blank= 0/70°C

M= -20/70°C, X= -40/85°C

Blank (std)

± 100ppm

25ppm

50ppm

#4 Stability: (see Table 1)

Preheat

90 Secs. Max.

#5 Frequency in MHz: 3 or 6 decimal places

180 Secs. Max.

8 Minutes Max.

Table 1

Example:

CVXO-018TX-25-25.000

CVXO-018T-50-19.660800

260°C for

3.3V Tristate, -40/85°C, 40/60, 25ppm, 25.000 MHz

10 Secs. Max.

3.3V Tristate, 0/70°C, 40/60, 50ppm, 19.660800 MHz

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

Connection

Tri-State Function

Cont. Volt.

Tri-State

GND

Tri-State pin

Output pin

O/P

N/C

Open

Active

High Z

Vdd

"1" level 2.7V Min

"0" level 0.3V Max

*Settability is the Control Voltage at which the Output Frequency is equal to the nominal Frequency.

TD-021004 Rev. D

Specifications subject to change without notice.

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