Fiche technique pour TF32 Series de CTS-Frequency Controls

Erreurs/commentaires sur la fiche technique

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equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.

DOC# 008-0354-0 Rev. F Page 1 of 4

TF32 Series

Tuning Fork Crystal

Features

 32.7680kHz Frequency Reference

 Tuning Fork Crystal Design

 Hermetic Ceramic Surface Mount Package

 Ideal for High Density Circuit Boards

 Frequency Tolerance, ±20ppm Standard

 Parabolic Temperature Coefficient

 Tape and Reel Packaging, EIA-418

Applications

 Real Time Clock Reference

 FPGAs & Microcontrollers

 Wearable Electronics

 IoT Applications

 Consumer Electronics

 Healthcare Devices

 Smart Meters

 Instrumentation

Description

CTS TF32 Series is ideal for supporting wide range of electronic designs requiring a Real Time Clock reference.

This series will support general commercial and industrial applications.

Ordering Information

TF 32

Code Code Code

32 P R

Code Code

Notes:

after the ‘K’ [including zeros].

@ +25°C

±20ppm

±10ppm

Capacitance

12.5pF

9pF

7pF

6pF

Model

Frequency is recorded with two leading digits before the ‘K’ and 4 significant digits

Frequency

Tolerance

Load

Capacitance

Frequency Code

[kHz]

Packaging

Packing

3k pcs./reel

32K7680

This product is specified for use only in standard commercial applications. Supplier disclaims all express and implied

warranties and liability in connection with any use of this product in any non-commercial applications or in any

application that may expose the product to conditions that are outside of the tolerances provided in its specification.

Frequency

Contact your local CTS Representative or CTS Customer Service for availability.

Not all performance combinations and frequencies may be available.

Package

3.2x1.5mm

Product Frequency Code

Part Dimensions:

3.2 × 1.5 × 0.9mm • 12.1467mg

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equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.

TF32 Series

Tuning Fork Crystal

DOC# 008-0354-0 Rev. F Page 2 of 4

Electrical Specifications

Figure 1

Operating Conditions

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

Operating Temperature T

--40 +25 +85 °C

Turnover Temperature T

-+20 +25 +30 °C

Storage Temperature

STG

--55 -+125 °C

Frequency Stability

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

Frequency f

-32.7680 kHz

Frequency Tolerance

[Note 1]

Δf/f

Standard @ +25°C -20 -20 ppm

Parabolic Coefficient ßSee Figure 1 ppm/°C

Aging Δf/f

First Year @ +25°C -3 - 3 ppm

Crystal Parameters

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

Operating Mode - - -

Load Capacitance

[Note 1]

Standard -12.5 -pF

Shunt Capacitance C

- - 1.0 -pF

Motional Capacitance

- - 3.4 -fF

Series Resistance R

- - - 70 kΏ

Drive Level DL - - 0.5 1.0 µW

Insulation Resistance R

+100Vdc ±15Vdc 500 - - MΏ

-0.034 ±0.006

Flexural Mode [Tuning Fork]

1.] See Ordering Information for available options.

Frequency Stability [Δf] at a given temperature,

Δf = ß[TA-TM]2

ß = Parabolic Coefficient

TA = Ambient Temperature

TM = Turnover Temperature

Ex. Find frequency stability at TA = +45°C

Δf = -0.034[45-25]2

Δf = -0.034[20]2

Δf = -13.6ppm

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equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.

TF32 Series

Tuning Fork Crystal

DOC# 008-0354-0 Rev. F Page 3 of 4

Mechanical Specifications

Package Drawing Marking Information

Recommended Pad Layout Notes

Refer to document 016-0071-0, TF Marking Guide, for

marking formats by product family.

1. JEDEC termination code (e4). Barrier-plating is

nickel [Ni] with gold [Au] flash plate.

2. Reflow conditions per JEDEC J-STD-020; +260°C

maximum, 20 seconds.

3. MSL = 1.

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