VEM64T28-38.880-2.5/-40+85 datasheet, PDF

Datasheet> All Categories > Passive components> oscillator> VEM64T28-38.880-2.5/-40+85

VEM64T28-38.880-2.5/-40+85: DescriptionHCMOS Output Clock Oscillator, 38.88MHz Nom, MINIATURE, CERAMIC, SMD, 6 PIN; CategoryPassive components oscillator; File Size147KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

Download Datasheet Parametric View All

VEM64T28-38.880-2.5/-40+85 Overview

HCMOS Output Clock Oscillator, 38.88MHz Nom, MINIATURE, CERAMIC, SMD, 6 PIN

VEM64T28-38.880-2.5/-40+85 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Euroquartz
package instruction	MINIATURE, CERAMIC, SMD, 6 PIN
Reach Compliance Code	unknown
Other features	SYMMETRY 55/45 IS POSSIBLE
Ageing	1 PPM/FIRST YEAR
Maximum control voltage	2.5 V
Minimum control voltage	0.5 V
maximum descent time	10 ns
Frequency Adjustment - Mechanical	YES
Frequency offset/pull rate	6 ppm
frequency stability	2.5%
Installation features	SURFACE MOUNT
Nominal operating frequency	38.88 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	HCMOS
Output load	15 pF
physical size	11.4mm x 9.6mm x 4.7mm
longest rise time	10 ns
Nominal supply voltage	2.8 V
surface mount	YES
maximum symmetry	60/40 %

Preview

Download Datasheet

View All

EURO

QUARTZ

Miniature 11.4 x 9.6 x 4.7mm SMD package

Wide frequency range: 1.25MHz to 156.0MHz

Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts

Frequency stability from ±1ppm over -30 to +75°C

EM64T Series TCXO

HCMOS, 6 pad SMD, MHz Range

EM64T - OUTLINES AND DIMENSIONS

DESCRIPTION

EM64T series TCXOs are packaged in a miniature 6 pad ceramic SMD

package. With squarewave (CMOS) output, tolerances are available

from ±1.0ppm over -30° to +75°C. The part has a 0.01mF decoupling

capacitor built in.

SPECIFICATION

Product Series Code

TCXO:

VCTCXO:

Frequency Range:

Output Waveform:

Initial Calibration Tolerance:

Standard Frequencies:

EM64T

VEM64T

1.25MHz to 156.0MHz

Squarewave, HCMOS

<±1.0ppm at +25°±2°C

10.0, 12.8, 13.0, 14.4, 15.36,

16.384, 19.2, 19.440, 19.68,

25.0, 20.0, 27.0, 38.880,

40.0, 77.760, 125.0, 155.520

(Partial

list)

See table

±1.0 ppm max. first year

±0.3 ppm max. ±5% change

±0.3 ppm max. ±10% change

±1.0ppm max. for one reflow

(Measured

after 24 hours)

±3ppm minimum

+2.8, +3.0, +3.3 or +5.0V

(See

table)

Logic High: 90% Vdd min.

Logic Low: 10% Vdd max.

10ns max.

50%±10% standard,

50%±5% option

5ms typical, 10ms max.

See table below

15pF

-55~+125°C

Operating Temperature Range:

Frequency Stability

vs. Ageing:

vs. Voltage Change:

vs. Load Change:

vs. Reflow (SMD type):

Mechanical Frequency Tuning:

Supply Voltage:

Output Logic Levels:

Rise and Fall Times:

Duty Cycle:

Start-up Time:

Current Consumption:

Output Load:

Storage Temperature:

INPUT VOLTAGE & CURRENT CONSUMPTION

Input Voltage/

Frequency

8.192MHz

10.0MHz

77.760MHz

155.520MHz

+2.8V

2mA

3mA

14mA

26mA

+3.0

+3.3V

2mA

4mA

17mA

35mA

+5.0 V

5mA

7mA

32mA

50mA

SSB PHASE NOISE at 25°C

FREQUENCY STABILITY

Offset

Frequency Stability (ppm)

0 ~ +50

-10 ~ +60

Temperature

Range (°C)

-20 ~ +70

-30 ~ +75

-40 ~ +85

±0.5

ASK

±1.0

±1.5

±2.0

±2.5

Part =

M64T33

at 10.0Mhz

(dBc/Hz)

at 155.250Mhz

(dBc/Hz)

-115

-72

-135

-110

-148

-125

-152

-132

-155

-125

10Hz

100Hz

1kHz

10kHz

100kHz

PART NUMBERING PROCEDURE

Example:

= available, x = not available, ASK = call Technical Sales

EM64T33-38.880-2.5/-30+75

VEM64T VOLTAGE CONTROL SPECIFICATION

Control Voltage:

Standard = +1.5±1.0Volts for all input

voltages.

(Contact technical sales if

+2.5±2.0 Volts is required.)

Frequency Deviation: ±6.0 ppm min. (Vcon = +4.5V±1.0V)

Slope Polarity:

Positive

(increase of control voltage increases

output frequency.)

Input Impedance:

50k minimum

Modulation Bandwidth: 20kHz minimum

Linearity:

±10% maximum

Series Description

TCXO = EM64T

VCTCXO = VEM64T

Supply Voltage

28 = 2.8VDC

3 = 3.0VDC

33 = 3.3 VDC

5 = 5.0 VDC

Frequency (MHz)

Stability over OTR (±ppm)

Operating Temperature Range (OTR) (°C)

Lower and upper limits.

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk

www.euroquartz.co.uk

Recommended Resources

Design scheme of voltage monitor in electric meter application

Power failure monitoring circuit diagram b

Three-phase auto-voltage regulator wiring

automatic emergency lighting

Color TV remote control 33

Multi-channel regulated power supply composed of LM341-5 and LM326H

LUA programming environment -- picolua: picolua is a Lua programming environment for Pico. In addition to the Lua runtime, it includes a basic Unix-like shell, a full-screen editor, and basic file management tools. picolua is designed to be...; dcexpert MicroPython Open Source section

Writing ZigBee Module in IAR: I am a novice. I am currently in charge of a ZigBee wireless communication module for a project, the AW5161P2EF. I downloaded the manual, which contains the networking protocol and command configurati...; linee RF/Wirelessly

Is there any software that can quickly derive the equivalent impedance formula for a multi-stage LC series-parallel circuit?: Hello everyone, I've recently been studying the derivation process of various inductance and capacitance values of NFC antenna matching circuits. Referring to the official application documents of NXP...; bobde163 RF/Wirelessly

"Random Talk" about Domestic RISC-V MCU: I have three RISC-V RV32 microcontrollers (GD32VF103 Zhaoyi Innovation, CH32V103 Jiangsu Qinheng, CH2601 Ali Pingtou Ge). RISC-V (pronounced "risk-five") is an open source instruction set architecture...; bigbat Domestic Chip Exchange

When studying the working principle of RCD circuit, what is the energy accumulated in the parasitic inductance?: Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...; 西里古1992 Analog electronics

There is a spike after the rectifier bridge, which cannot be clamped by a varistor.: There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...; 东莞台强电子侯国良 Power technology

Shortcut: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

Popular Components