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Maxim > Products > [Supervisors, Voltage Monitors, Sequencers]  [Timekeeping, Timers, and Counters]  [Oscillators] 
MAX7381
3-Pin Silicon Oscillator


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 548kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX7381 is a silicon oscillator intended as a low-cost improvement to ceramic resonators, crystals, and crystal oscillator modules as the clock source for microcontrollers and UARTs in 3V, 3.3V, and 5V applications.

The MAX7381 is an integrated oscillator, supplied at specific frequencies, just like crystals and resonators, and with a rail-to-rail, 50%, duty-cycle square-wave output. The oscillator frequency is generated directly without the use of a phase-locked loop (PLL). No additional components are required for setting or adjusting the frequency.

Unlike typical crystal and ceramic resonator oscillator circuits, the MAX7381 is resistant to vibration and EMI. The high output-drive current and absence of high-impedance nodes make the oscillator invulnerable to dirty or humid operating conditions. With a wide operating temperature range as standard, the oscillator is a good choice for demanding appliance and automotive environments. The MAX7381 is available with frequencies in the 10MHz to 16MHz range.

The MAX7381 is offered in a space-saving 3-pin SC70 package. All ICs are guaranteed to operate over the -55°C to +135°C temperature range and specified from the -40°C to +125°C temperature range.

Key Features   Applications/Uses
  • 2.7V to 5.5V Operation
  • Factory-Trimmed Oscillator (10MHz to 16MHz)
  • No External Components Required
  • ±10mA Output-Drive Current
  • 2% Initial Accuracy
  • ±100ppm/°C Temperature Drift
  • Fast Startup Time: 5µs
  • 40% to 60% Maximum Duty Cycle
  • 5ns Output Rise/Fall Time
  • Very-Low-EMI Susceptibility (No High-Impedance Nodes)
  • No PLL
  • Low Jitter: 180psP-P at 16MHz
  • -40°C to +125°C Temperature Range

 
  		• Appliances and Controls
  		• Automotive
  		• Handheld Products
  		• Microcontroller Systems
  		• Portable Equipment
  		• White Goods

    Key Specifications:  Silicon Oscillators
    Part Number fOUT
    (MHz)    		 fOUT
    (kHz)    		 ΔfOUT
    (%)    		 User Prog. fOUT Spread Spectrum VCC
    (V)    		 Reset Out Oper. Temp.
    (°C)    		 Package/Pins Smallest Available Pckg.
    (mm2)
    max min max max w/pins
    MAX7381  16 10000 3.5 No No 2.7 to 5.5 No -40 to +125
    SC70/3
    SOT/3
    		 5.3
    See All Silicon Oscillators (21)

    Diagram
    MAX7381: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 3582: Replacing Crystals and Ceramic Resonators with Silicon Oscillators - MAX7381

    Design Guides
  		• Microprocessor Supervisory (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-17 of 17

    MAX7381 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7381AXR106+T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3+2*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7381AXR126+T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3+2*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7381AXR166+T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3+2*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7381AXR106-T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AXR116-T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AXR126-T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AXR136-T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AXR326-T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AXR336-T    
    		Active SC70;3 pin;5.3 mm²
    Outline Drawing: 21-0075 (PDF)
    Land Pattern: 90-0208 (PDF)
    Use pkgcode/variation: X3-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AUR326-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX7381AUR336-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX7381AUR106-T    
    		Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AUR116-T    
    		Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AUR126-T    
    		Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AUR136-T    
    		Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AUR146-T    
    		Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7381AUR166-T    
    		Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  		• Topmark Coding: MAX7381
  		• Product Ad: Download

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    Document Ref.: 19-3697; Rev 0; 2005-06-02
    This page last modified: 2007-07-18


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