TFA32 Series, Automotive Datasheet by CTS-Frequency Controls

Datasheet Feedback/Errors

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

DOC# 008-0563-0 Rev. E Page 1 of 4

TFA32 Series

Automotive Grade Tuning Fork Crystal

Features

 AEC-Q200 Compliant

 Hermetic Ceramic Surface Mount Package

 Tuning Fork Crystal Design

 32.7680kHz Frequency Reference

 Frequency Tolerance, ±20ppm Standard

 Parabolic Temperature Coefficient

 Tape and Reel Packaging, EIA-418

Applications

 Automotive Electronics

 Car Navigation Systems

 Car Infotainment Systems

 Industrial Control Equipment

 M2M Communications

 FPGAs & Microcontrollers

Description

CTS TFA32 Series is ideal for supporting wide range of electronic designs requiring a Real Time Clock reference.

This series will support general automotive and industrial applications.

Ordering Information

TF A32

Code Code Code

A P

32 J

Code Code Code

2 I R

1 G

Notes:

3.2x1.5mm

Package

Automotive

Model

Not all performance combinations and frequencies may be available.

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

±20ppm

±10ppm

7pF

6pF

@ +25°C

Packing

3k pcs./reel

Check with factory for availability.

Temp. Range

-40°C to +85°C

-40°C to +105°C

-40°C to +125°C

Frequency

Frequency = 32.7680kHz

9pF

Load

Capacitance

Frequency Code

[kHz]

Capacitance

12.5pF

Packaging

327K

Temperature

Range

Frequency

Tolerance

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.

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.

TFA32 Series

Automotive Grade Tuning Fork Crystal

DOC# 008-0563-0 Rev. E Page 2 of 4

Electrical Specifications

Figure 1

Operating Conditions

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

-40

+85

-40

+105

-40

+125

Turnover Temperature TM-+20 +25 +30 °C

Storage Temperature

TSTG --55 -+125 °C

Frequency Stability

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

Frequency fO-32.7680 kHz

Frequency Tolerance

[Note 1]

Δf/fOStandard @ +25°C -20 -20 ppm

Parabolic Coefficient ßSee Figure 1 ppm/°C2

Aging Δf/f0First Year @ +25°C -3 - 3 ppm

Crystal Parameters

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

Operating Mode - - -

Load Capacitance

[Note 1]

CLStandard -12.5 -pF

Shunt Capacitance C0- - 1.2 -pF

Motional Capacitance

C1- - 3.4 -fF

Series Resistance R1- - - 70 kΏ

Drive Level DL - - 0.5 1.0 µW

Insulation Resistance Ri+100Vdc ±15Vdc 500 - - MΏ

1.] See Ordering Information for available options.

+25

Flexural Mode [Tuning Fork]

-0.034 ±0.010

Operating Temperature

°C

Frequency Stability [Δf] at a given temperature,

ß = Parabolic Coefficient

= Ambient Temperature

= Turnover Temperature

Δf = ß[T

-T

]

Ex. Find frequency stability at T

= +60°C

Δf = -0.034[60-25]

Δf = -0.034[35]

Δf = -41.65ppm

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

TFA32 Series

Automotive Grade Tuning Fork Crystal

DOC# 008-0563-0 Rev. E Page 3 of 4

Mechanical Specifications

Package Drawing Marking Information

Recommended Pad Layout Notes

Contact factory for marking formats that apply to this

model series.

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.

4. Due to the large world-wide production volumes

for this model series, product variability may exist

between production date codes, such as package

coloring and product marking format. CTS

guarantees form-fit-function performance to

published data sheet parameters. Contact your

local CTS Representative or CTS Customer Service

with specific questions.

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