Datasheet > CF5036G2

CF5036G2

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
NPC		振荡器
页数	文件大小	规格书
10页	95K
描述
2.5V LVPECL Output Oscillator ICs

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数据手册

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CF5036G2 数据手册

CF5036 series

BLOCK DIAGRAM

VCC

VCC2

XIN

OUT

Colpitts

OSC

1/2

PECL

OUTN

XOUT

GND

OSCILLATOR CIRCUIT CONSTANT

The CF5036 series oscillator setting varies with device version to optimize characteristics over the recom-

mended operating frequency range.

*1 *2

Built-in capacitance

[pF]

Recommended operating

Version

Oscillation mode

frequency range [MHz]

XOUT

XIN

CF5036G×

CF5036A×

CF5036B×

CF5036C×

CF5036D×

CF5036E×

CF5036F×

CF5036V×

CF5036W×

50 to 80

80 to 120

100 to 180

150 to 250

250 to 400

400 to 600

600 to 700

80 to 400

400 to 700

Fundamental

3rd overtone

Fundamental

(4)

Setting by external components

(C0 cancel is not built-in.)

*1. The oscillator internal capacitance values includes parasitic capacitance.

*2. Values in parentheses ( ) are provisional only.

*3. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. How-

ever, the oscillator frequency band is not guaranteed. Speciﬁcally, the characteristics can vary greatly due to crystal characteristics

and mounting conditions, so the oscillation characteristics of components must be carefully evaluated.

Oscillator Equivalent Circuit

C0 cancel

CXIN

XIN

RPD1

CXOUT

XOUT

Oscillator block equivalent circuit

The CF5036 series oscillator circuit has a C0 cancel circuit built-in to improve the oscillator margin. If power is applied when there is an

open circuit between XIN and XOUT, self oscillation may occur, which is not abnormal. Users should conﬁrm that the oscillator operates

normally when a crystal unit is connected.

SEIKO NPC CORPORATION —3

1 234 5 6 7...10

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