CXOHVD4-CA-25.000 datasheet, PDF

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CXOHVD4-CA-25.000: DescriptionTemperature Compensated Crystal Oscillator With Voltage Trim & Hermetic; File Size113KB，1 Pages; ManufacturerCrystek

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CXOHVD4-CA-25.000 Overview

Temperature Compensated Crystal Oscillator With Voltage Trim & Hermetic

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CXOHD4 / CXOHVD4 Model

4 Pin SMD,

3.3V & 5V, HCMOS/TTL

Frequency Range:

Frequency Stability:

Freq. Stability vs Volt:

Freq. Stability vs Load:

Temperature Range:

Storage:

Input Voltage:

Mech. Trim. Range:

(Option V)

Input Current:

Output:

Symmetry:

(Option Y)

Rise/Fall Time:

Output Voltage:

Load:

Phase Noise Typ.:

10Hz

100HZ

1KHz

10KHz

100KHz

Aging:

.878

(22.3)

.732

(18.60)

1MHz to 38.88MHz

±1ppm to ±5ppm

±0.5ppm Max

±0.3ppm Max

-40°C to 85°C

Le oHS ant

R pli

-55°C to 120°C

3.3V or 5V ± 5%

±3ppm Min

Voltage Trim Pin 1

15mA Typ, 30mA Max

Designed to meet today's

HCMOS/TTL

40/60% Max @ 50% Vdd

requirements for tighter

45/55% Max

frequency stability tolerance

4ns Typ, 10ns Max

while reducing unit cost.

"0" = 10% Vdd Max

"1" = 90% Vdd Min

VCTCXO Specification

15pF/10TTL Max

-100dBc/Hz

Voltage Trim Pin 1:

± 5ppm Min

-130dBc/Hz

Control Voltage:

(5V) 2.5V ± 2.5V

-140dBc/Hz

(3.3V) 1.65V ± 1.65V

-145dBc/Hz

-150dBc/Hz

<1ppm Max/yr

Temperature Compensated

Crystal Oscillator

Voltage Trim Option

Available

CXOHD4

.019 ±.004

(0.5 ±0.1)

.480

(12.20)

.311 ±.020

(7.9 ±0.5)

.197

(5.0)

Function

VT or NC

GND

OUT

Vcc

.177

(4.5)

CRYSTEK

Freq

Bottom

View

.614 ±.020

(15.6 ±0.5)

Dimensions inches (mm)

(4.00)

All dimensions are Max unless otherwise specified.

OUT

pin 14

Vdd

OUT

.157

pin 8

OSC.

PWR

Supply

O/P Load

incl Probe Cl

Crystek Part Number Guide

pin 1

Option

GND

CXOHVD4 - B C 3 Y - 25.000

pin 7

Operating

Temperature

0°C to 50°C

-10°C to 60°C

-10°C to 70°C

-20°C to 70°C

-30°C to 60°C

-30°C to 70°C

-30°C to 75°C

-40°C to 85°C

Freq. Stability (± ppm)

1.0

1.5

2.0

2.5

3.0

4.0

5.0

#1 Crystek TCXO 4 Pin SMD HCMOS/TTL

#2 V or blank = (V = Volt.Trim) (Blank = Mech. Trim)

#3 Letter = Operating Temperature (see table 1)

#4 Letter = Frequency Stability (see table 1)

#5 3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V)

#6 Y or blank = Symmetry (Y=45/55) (Blank = 40/60)

#7 Frequency in MHz: 3 or 6 decimal places

Example:

CXOHD4-BC3Y-25.000 = mech. trim, -10/60, ±2.5ppm, 3.3V, 45/55%, 25.000MHz

CXOHVD4-BCY-25.000 = volt. trim, -10/60,±2.5ppm, 3.3V, 45/55%, 25.000MHz

Table 1

Specifications subject to change without notice.

TD-020815 Rev. D

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