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DS32kHz
32.768kHz Temperature-Compensated Crystal Oscillator

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


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Status
Part Number Status
DS32KHZ Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.

Description
FULL DATA SHEET (PDF, 404kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail
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.

Key Features   Applications/Uses
  • 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
  • Underwriters Laboratories (UL®) Recognized

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

Key Specifications:  Oscillator Modules
Part Number Freq. Osc. Type Freq. Output Type Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm)
VSUPPLY
(V)
Price
0 to +40°C -40 to 0°C/ +40 to +85°C vs. VCC vs. Aging See Notes
DS32KHZ  32.768kHz TCXO CMOS Push-Pull 2 7.5 2.5 (typ) 1 (First Year) 4.5 to 5.5 $2.55 @1k
See All Oscillator Modules (28)

Diagram
DS32kHz: Block Diagram
Block Diagram

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    2007-08-16
    This page last modified: 2009-10-15


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