CX6CSM2-1.0M,1000/C [STATEK]

Parallel - Fundamental Quartz Crystal, 1MHz Nom, HERMETIC SEALED, MINIATURE, CERAMIC PACKAGE-2;


型号：	CX6CSM2-1.0M,1000/C
厂家：	STATEK CORPORATION
描述：	Parallel - Fundamental Quartz Crystal, 1MHz Nom, HERMETIC SEALED, MINIATURE, CERAMIC PACKAGE-2
文件：	总2页 (文件大小：115K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

CX6SM CRYSTAL

800 kHz to 1.35 MHz

Ultra-Low Profile (1mm)

Miniature Surface Mount Quartz Crystal

DESCRIPTION

actual size

side view

The CX6SM quartz crystals are leadless devices designed for

surface mounting on printed circuit boards or hybrid

substrates. They are hermetically sealed in a rugged,

miniature ceramic package. They are manufactured using the

STATEK-developed photolithographic process, and are

designed utilizing the experience acquired by producing

millions of crystals for industrial, commercial, military and

medical applications. Maximum process temperature should

not exceed 260^OC.

Glass Lid Shown

PACKAGE DIMENSIONS

FEATURES

Ultra-low profile (1mm)

TOP

BOTTOM

Extensional mode

Ideal for use with microprocessors

Designed for low power applications

Low aging

Full military testing available

Ideal for battery operated applications

Designed and manufactured in the USA

TYP.

MAX.

EQUIVALENT CIRCUIT

DIM

inches

0.265

0.103

inches

0.280

0.114

7.11

2.90

C₀

6.73

2.62

see below

L₁

C₁

R₁

0.050

1.27

0.060

1.52

DIM “C“

MAX

GLASS LID

CERAMIC LID

R₁Motional Resistance L₁Motional Inductance

C₁Motional Capacitance C₀Shunt Capacitance

inches

0.039

0.041

0.044

inches

0.053

0.055

0.058

SM1

0.99

1.04

1.12

1.35

1.40

1.47

SM2/SM4

SM3/SM5

SUGGESTED LAND PATTERN

0.070 (1.78)

0.120 (3.05)

0.215 (5.46)

inches (mm)

10133 - Rev C

STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com

TYPICAL APPLICATION

FOR A PIERCE OSCILLATOR

SPECIFICATIONS

Specifications are typical at 25^OC unless otherwise noted.

Specifications are subject to change without notice.

The low profile CX miniature surface mount crystal is ideal

for small, high density, battery operated portable products.

The CX crystal designed in a Pierce oscillator (single

inverter) circuit provides very low current consumption and

high stability. A conventional CMOS Pierce oscillator circuit

is shown below. The crystal is effectively inductive and in a

PI-network circuit with C_Dand C_Gprovides the additional

phase shift necessary to sustain oscillation. The oscillation

frequency (f₀) is 15 to 150 ppm above the crystal’s series

resonant frequency (f_S).

Frequency Range

Functional Mode

800 kHz - 1.35 MHz

Extensional

⁺^_500 ppm (0.05%)

⁺^_1000 ppm (0.1%)

⁺^_10000 ppm (1.0%)

7 pF (Unless specified by customer)

Calibration Tolerance¹

Load Capacitance

Motional Resistance (R₁)

5 kΩ MAX

Drive Level

Motional Capacitance (C₁) 1.2fF

R is used to limit the crystal’s drive level by forming a

Quality Factor (Q)

Shunt Capacitance (C₀)

Drive Level

150 k

1.0 pF

W MAX

35^OC

voltage divider between R_Aand C_D. R_Aalso stabilizes the

oscillator against changes in the amplifiers output

resistance (R₀). R_Ashould be increased for higher voltage

operation.

Turning Point (T )²

Temperature Coefficient (k) -0.035 ppm/^OC²

Load Capacitance

The CX crystal calibration tolerance is influenced by the

effective circuit capacitances, specified as the load

capacitance (C_L). C_Lis approximately equal to:

Aging, first year

Shock, survival

Vibration, survival

Operating Temp. Range

5 ppm MAX

1,000 g, 0.3 ms,1/2 sine

10 g RMS, 20-1,000 Hz random

-10^OC to +70^OC (Commercial)

C_Dx C_G

(1)

C_L

C_S

-40^OC to +85^OC (Industrial)

C_D+ C_G

-55^OC to +125^OC (Military)

-55^OC to +125^OC

NOTE: C_Dand C_Ginclude stray layout to ground and C_S

is the stray shunt capacitance between the crystal

terminal. In practice, the effective value of C_Lwill be less

than that calculated from C_D, C_Gand C_Svalues because

of the effect of the amplifier output resistance. C_Sshould

be minimized.

Storage Temp. Range

Max Process Temperature 260^OC for 20 sec.

Note: Frequency f at temperature T is related to frequency f₀

at turning point temperature T₀by:

f-f₀

f₀

k(T-T )

1. Tighter tolerances available.

2. Other values available.

The oscillation frequency (f₀) is approximately equal to:

PACKAGING

C₁

(2)

f₀f_S

[

]

2(C₀+ C_L)

CX6SM - Tray Pack

- Tape and Reel

(Reference tape and reel data sheet 10109)

Where

= Series resonant frequency of the crystal

= Motional Capacitance

= Shunt Capacitance

f_S

C₁

C₀

TERMINATIONS

Designation

SM1

Termination

Gold Plated

CONVENTIONAL CMOS

PIERCE OSCILLATOR CIRCUIT

SM2

SM3

Solder Plated

Solder Dipped

R_f

SM4

SM5

Solder Plated (Lead Free)

Solder Dipped (Lead Free)

BUFFER

HOW TO ORDER CX6SM CRYSTALS

OSC

Freq (f_O)

CX6

SM1

1.0M

500

R_A

AMPLIFIER

CX6

Calibration

Tolerance

@ 25^OC

Operating Temp. Range:

Frequency

K = kHz

M=MHz

= -10^OC to +70^OC

Blank = Glass Lid

C = Ceramic Lid

I = -40^OC to +85^OC

M = -55^OC to +125^OC

(in ppm)

= Customer Specified

SM1 = Gold Plated

C_G

SM2 = Solder Plated

SM3 = Solder Dipped

SM4 = Solder Plated (Lead Free)

SM5 = Solder Dipped (Lead Free)

C_D

“S” if special or

custom design.

Blank if Srd.

10133 - Rev C

STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com

相关型号：