NJM2555

更新时间： 2024-02-08 22:16:51

品牌	Logo	应用领域
NJRC		石英晶振压控振荡器
页数	文件大小	规格书
3页	83K
描述
622MHz VCXO IC

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技术参数
数据手册

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NJM2555 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.7	JESD-609代码：	e6
湿度敏感等级：	1	电信集成电路类型：	TELECOM CIRCUIT
端子面层：	Tin/Bismuth (Sn/Bi)	Base Number Matches：	1

NJM2555 数据手册

NJM2555

■ABSOLUTE MAXIMUM RATINGS

Parameter

(Ta=25°C)

Symbols

V_CC

Ratings

-0.3 to 5.0

Unit

Supply Voltage

Power Dissipation

Operating Temperature Range

Storage Temperature Range

P_D

Topr

Tstg

250 (SSOP-10)

-40 to +85

-55 to +125

°C

■ELECTRICAL CHARACTERISTICS

(Ta=25°C)

Parameter

Supply Voltage

Operating Current

Power Consumption

Maximum VC Range

Minimum VC Range

Symbol

V_CC

I_CC

P_D

V_CONTH

V_CONTL

Conditions

MIN.

3.0

120

V_CC-0.3

-0.3

TYP.

3.3

165

V_CC

MAX.

3.6

216

V_CC+0.3

0.3

Unit

F_OUT=622MHz

■REFERENTIAL DATA

(V_CC=V_OSC=3.3V, Ta=25°C)

Parameter

Symbol

F_OUT

Conditions

Min.

480

Typ.

Max.

Unit

Min.: 120MHz crystal

Typ.: 155.5MHz crystal

Max.: 160MHz crystal

Note 1)

Output Frequency

622

640

MHz

Frequency Pull Range

Output Level

F_CONT

P_OUT

ppm

dBm

±90

-1.5

±100

1.5

±120

4.5

50 ohm load

Lower & Higher

Harmonics D/U Ratio

Symmetry

FDU

50 ohm load Note 2)

-20

-25

dBc

SYM

50 ohm load

ps rms

Jitter

JITTER 50 ohm load

Note 1) Frequency Pull Range is determined by using 155.5MHz quartz crystal.

The parameters are as follows;

L1=0.135mH, R1=15.22Ω, C1=7.72fF, Co=2.3pF

Note 2) Tunable Filters are connected at T1 & T2 terminals.

■TEST CIRCUIT & BLOCK DIAGRAM

V_CC

1nF

V_OSC

XT1

High

Pass

Filter

Buffer

AMP

LIMITER

AMP

X'tal

OSC

12nH

13.6p

180nH XT2

5pF

V_VC

FOUT2

1000pF

FOUT

V_VC

1nF

Output

Buffer

1000pF

GND

FOUT1

1nF

1000pF

(Type: 033)

(Type: 1005)

Version 3.6 2003/08/22 ( 2 / 3 )

123

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