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Package Size: 2.0×1.6×0.75
Frequency: 32.768
Supply Voltage: 1.8V, 2.5V, 3.3V
Temperature Range: -20℃ ~ +70℃, -40℃ ~ +85℃
Output Leve: CMOS
FEATURES: SPXO
RoHS And Pb Free:
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Product details

Feature

  • Tri-state function available
  • Tight symmetry available(45 to 55%)
  • Quick oscillation start up time(5mSec max.)
  • Low current consumption(90μA max.)
  • Tight temperature stability

Application

  • Real Time Clock Reference
  • Internet of Things (IoT) devices
  • Smart meters
  • Audio, Video, Gaming products
  • Portable Electronics

Overview

1CK is an ultra-small and compact 32.768KHz oscillator. The frequency stability of this product is ±50ppm in the standard operating temperature range of -40°C~+85°C, and the maximum current consumption is 90μA. It is suitable for RTC and the IOT equipment, smart meters and portable electronic product application scenarios.

Electrical Specifications

Item

Symb.

Min.

Typ.

Max.

Unit

Notes

Frequency Range

Freq.


32.768


KHz


Operating Temperature

T_use

-20


+70


-40


+85


Storage Temperature Range

T_stg

-55


+125


Supply Voltage

Vdd

1.62

1.8

2.5

3.3

3.63

V


Output Load

L_CMOS


15


pF


Current Consumption

Icc



90

μA

No load condition,Vdd=3.0V

Duty Cycle

SYM

45


55

%

50 % Vdd level, L_CMOS ≤ 15 pF

Rise / Fall Time

TR / TF



25

nS

10% Vdd to 90% Level

Start-up Time

T_str



5

mS

To 90% of Final Amplitude

High output voltage

VOH

0.9Vdd



V


Low output voltage

VOL



0.1Vdd

V


Enable Voltage High (Logic 1)

VIH

0.7Vdd



V

Output will be disable if OE is Logic 0

Output will be enable if OE is Logic 1 or open

Enable Voltage Low (Logic 0)

VIL



0.3Vdd

V

Aging

f_age



3

ppm

1st. Year at 25℃


Frequency Stability & Operating Temperature Range

Operating Temperature Range

Frequency Stability

±20ppm

±25ppm

±30ppm

±50ppm

-20℃ to +70℃

-40℃ to +85℃


Available    Conditional

All condition*:Include 25℃ tolerance, operating temperature range , input voltage change,aging, load change.


Mechanical Dimensions

1CK.jpg


Selection Guide

Description of Requirement


Select the required packaging specifications and product series:   2.0×1.6mm;1CK Series    

Select the desired frequency    32.768KHz     

Select the required supply voltage   3.3V    

Select the required frequency tolerance(at 25℃):   ±10ppm    

Select the desired operating temperature range    -40℃~+85℃    

Select the desired frequency and temperature characteristics:  ±30ppm     

The product you need is 1CK Series 32.768KHz 3.3V ±10ppm@25℃ ±30ppm@-40~+85℃     



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