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DS32KHZ
Analog Clock Generation and Distribution Silicon and Crystal Oscillators DS32KHZ
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DS32KHZ

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32.768kHz Temperature-Compensated Crystal Oscillator

Industry's Most Accurate Temperature-Compensated Crystal Oscillator (TCXO)

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Product Details

See parametric specs for Oscillator Modules
See parametric specs for Multifunction PMICs

Key Features

Applications/Uses

See parametric specs for Oscillator Modules
Parametric specs for Oscillator Modules
Frequency 32.768kHz
Osc. Type TCXO
Frequency Output Type CMOS Push-Pull
Frequency Stability (±ppm/yr) (0 to +40°C) 2
Frequency Stability (±ppm/yr) (-40 to 0°C/ +40 to +85°C) 7.5
Frequency Stability (±ppm/yr) (vs. VCC) 2.5 (typ)
Frequency Stability (±ppm) (vs. Aging) 1 (First Year)
VSUPPLY (V) 4.5 to 5.5
Package/Pins PBGA/36
SOIC (W)/16
Budgetary
Price (See Notes) 		3.47
See parametric specs for Oscillator Modules
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Simplified Block Diagram

Technical Docs

Data Sheet 32.768kHz Temperature-Compensated Crystal Oscillator May 14, 2020
Tutorial The What, Why, When, Where and How of Real-Time Clocks (RTCs)
App Note Using the DS32kHz with Maxim Real-Time Clocks
App Note FAQ About the Integrated-Crystal Package Option
App Note Selecting a Backup Source for Real-Time Clocks
App Note Implementing Flawless Designs with Accurate I²C Real-Time Clocks
App Note Industry Turns to MEMS for Accurate Real-Time Clocks

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Parameters

Parametric specs for Oscillator Modules
Frequency 32.768kHz
Osc. Type TCXO
Frequency Output Type CMOS Push-Pull
Frequency Stability (±ppm/yr) (0 to +40°C) 2
Frequency Stability (±ppm/yr) (-40 to 0°C/ +40 to +85°C) 7.5
Frequency Stability (±ppm/yr) (vs. VCC) 2.5 (typ)
Frequency Stability (±ppm) (vs. Aging) 1 (First Year)
VSUPPLY (V) 4.5 to 5.5
Package/Pins PBGA/36
SOIC (W)/16
Budgetary
Price (See Notes) 		3.47
See parametric specs for Oscillator Modules

Key Features

  • Accurate to ±4 Minutes/Year (-40°C to +85°C)
  • Accurate to ±1 Minute/Year (0°C to +40°C)
  • Battery Backup for Continuous Timekeeping
  • VBAT Operating Voltage: 2.7V to 5.5V with VCC Grounded
  • VCC Operating Voltage: 4.5V to 5.5V
  • Operating Temperature Range:
    • 0°C to +70°C (Commercial)
    • -40°C to +85°C (Industrial)
  • No Calibration Required
  • Low-Power Consumption
  • Surface Mountable Using BGA Package
  • UL Recognized

Applications/Uses

  • Automatic Power Meters
  • GPS Receivers
  • Network Timing and Synchronization in Servers, Routers, Hubs, and Switches
  • Telematics

Description

The DS32kHz is a temperature-compensated crystal oscillator (TCXO) with an output frequency of 32.768kHz. This device addresses applications requiring better timekeeping accuracy, and can be used to drive the X1 input of most Dallas Semiconductor real-time clocks (RTCs), chipsets, and other ICs containing RTCs. This device is available in commercial (DS32kHz) and industrial (DS32kHz-N) temperature versions.

Simplified Block Diagram

DS32kHz: Block Diagram DS32kHz: Block Diagram Zoom icon

Technical Docs

Data Sheet 32.768kHz Temperature-Compensated Crystal Oscillator May 14, 2020
Tutorial The What, Why, When, Where and How of Real-Time Clocks (RTCs)
App Note Using the DS32kHz with Maxim Real-Time Clocks
App Note FAQ About the Integrated-Crystal Package Option
App Note Selecting a Backup Source for Real-Time Clocks
App Note Implementing Flawless Designs with Accurate I²C Real-Time Clocks
App Note Industry Turns to MEMS for Accurate Real-Time Clocks

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .