EMF576P33-311.04-3.0/0+50 [EUROQUARTZ]

PECL Output Clock Oscillator, 311.04MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 6 PIN;


型号：	EMF576P33-311.04-3.0/0+50
厂家：	EUROQUARTZ LIMITED
描述：	PECL Output Clock Oscillator, 311.04MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 6 PIN
文件：	总1页 (文件大小：167K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

QUARTZ

EURO

EMF576P Series PECL TCXO

PECL 7 x 5 x 2.8mm SMD, 'F' Group Specification

Miniature 7 x 5 x 2.8mm ceramic SMD package

Frequency range: 38.880MHz to 432.0MHz

Supply voltage 3.3 Volts

Less than 1ps phase jitter, ideal for SONET, xDSL

RoHS compliant

EMF576P - OUTLINES AND DIMENSIONS

DESCRIPTION

EMF576P series TCXOs are packaged in a miniature 6 pad 7 x 5 x

2.8mm ceramic SMD package. With differential PECL 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:

EMF576P

VCTCXO:

VEMF576P

Frequency Range:

Output Waveform:

38.880MHz to 432.0MHz

Differential PECL

Initial Calibration Tolerance:

Standard Frequencies:

<±2.0ppm at +25°±2°C

38.880, 40.0, 50.0, 54.0, 64.0, 65.536,

77.76, 80.0, 100.0, 128.0, 155.250,

160.0, 200.0, 204.8, 311.04, 320.0

and 409.60MHz (Partial list)

Operating Temperature Range:

Frequency Stability

vs. Ageing:

See table

(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)

+3.3 Volts

vs. Voltage Change:

vs. Load Change:

vs. Reflow (SMD type):

Supply Voltage:

Output Logic Levels

Logic High:

= 2.275V (min.)

= -1.025V (min.)

= 1.680V (max.)

= -1.620V (max.)

Logic Low:

Rise and Fall Times

VEMF576P VOLTAGE CONTROL SPECIFICATION

<150MHz = 0.7ns max, 150 to 320MHz = 0.55ns max.

<320MHz = 0.45ns max.

Control Voltage:

Frequency Deviation: ±6.0 ppm min. with Vcon = +1.5±1.0V

Slope Polarity:

Linearity:

+1.5±1.0Volts

Duty Cycle:

50%±5%

Positive (increase of control voltage increases

output frequency.)

6% typical, 10% maximum

Start-up Time:

5ms typical, 10ms max.

Current Consumption

38.880 to 100MHz:

100.0 to 320MHz:

320 to 432.0MHz:

75mA max.

90mA max.

100mA max.

SSB PHASE NOISE at 25°C

Output Load:

Storage Temperature:

50W to V -2.0 Volts

Offset

10Hz

100Hz

1kHz

10kHz

100kHz

-55° to +125°C

at 155.520MHz

(dBc/Hz)

-62

-92

-120

-132

-128

Phase Jitter (RMS) (12kHz to 20MHz): 0.4ps typ., 0.5ps max

Part =

EMF576P33

at 311.020MHz

(dBc/Hz)

-59

-86

-116

-129

-124

ENABLE/DISABLE FUNCTION

Pad 2 not connected: PECL and differential PECL outputs enabled.

PERIOD JITTER

Disable:

Referenced to Ground (threshold) Oscillator

is always on, buffer stage is disabled.

Disable current: 50mA max. (at 0.0V),

disable time 10ns max.

Frequency (MHz)

RMS (typ.)

38.880

2.5ps

77.760

2.5ps

155.520

622.080

3.0ps

Enable:

Pad 2 >0.45VCC Ground (threshold) Enable

time 10ns plus one period of output freq.

Peak to Peak

20.0ps

18.0ps

20.0ps

25.0ps

PART NUMBERING SCHEDULE

FREQUENCY STABILITY OVER TEMPERATURE

Example:

EMF576P33-204.80-2.5/-30+75

Stability (ppm)

0 ~ +50

±1.0

±2.0

±2.5

±3.0

±4.0

±5.0

Series Description

TCXO = EMF576P

VCTCXO = VEMF576P

ASK

-10 ~ +60

-20 ~ +70

-30 ~ +75

-40 ~ +85

Temp.

Range (°C)

Supply Voltage

33 = 3.3 VDC

Frequency (MHz)

Stability over OTR (±ppm)

Operating Temperature Range (OTR) (°C)

Lower and upper limits

ASK

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

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

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