ENGLISH • 简体中文 • 日本語 • 한국어  

    Login | Register 


   
 
Enter keywords or part number    


What's New Products Solutions Design AppNotes Support Sales About Us Members

Maxim > Products > [LED Lighting and LCD Display ICs] 
MAX6922, MAX6932, MAX6933, MAX6934
27-, 28-, and 32-Output, 76V, Serial-Interfaced VFD Tube Drivers

76V, 27-, 28-, and 32-Output, Serial-Interfaced VFD Drivers Continuously Source 40mA with Slew-Rate limiting to Reduce EMI


  QuickView     Technical Documents     Ordering Info     More Information     User Comments (0)     All  
Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 656kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX6922/MAX6932/MAX6933/MAX6934 multi-output, 76V, vacuum-fluorescent display (VFD) tube drivers that interface a VFD tube to a microcontroller or a VFD controller, such as the MAX6850–MAX6853. The MAX6922/MAX6934 have 32 outputs, while the MAX6932 has 27 outputs, and the MAX6933 has 28 outputs. All devices are also suitable for driving telecom relays.

Data is input using standard 4-wire serial interface (CLOCK, DATA, LOAD, BLANK) compatible with other VFD drivers and controllers.

For easy display control, the active-high BLANK input forces all driver outputs low, turning the display off, and automatically puts the IC into shutdown mode. Display intensity may also be controlled by directly pulse-width modulating the BLANK input.

The MAX6922/MAX6932/MAX6934 have a serial interface data output, DOUT, allowing any number of devices to be cascaded on the same serial interface.

The MAX6932/MAX6933/MAX6934 have a negative supply voltage input, VSS, allowing the drivers' output swing to be made bipolar to simplify filament biasing in many applications.

The MAX6922 is available in a 44-pin PLCC package, the MAX6932 and MAX6933 are available in 36-pin SSOP packages, and the MAX6934 is available in 44-pin PLCC and TQFN packages.

Maxim also offers a 12-output VFD driver (MAX6920) and 20-output VFD drivers (MAX6921/MAX6931).

Key Features   Applications/Uses
  • 5MHz Industry-Standard 4-Wire Serial Interface
  • 3V to 5.5V Logic Supply Range
  • 8V to 76V Grid/Anode Supply Range
  • -11V to 0V Filament Bias Supply (MAX6932/MAX6933/MAX6934 Only)
  • Push-Pull CMOS High-Voltage Outputs
  • Outputs Can Source 40mA, Sink 4mA Continuously
  • Outputs Can Source 75mA Repetitive Pulses
  • Outputs Can Be Paralleled for Higher Current Drive
  • Any Output Can Be Used as a Grid or an Anode Driver
  • BLANK Input Simplifies PWM Intensity Control
  • -40°C to +125°C Temperature Range as Standard
  • Underwriters Laboratories (UL®) Recognized

  
  		• Automotive
  		• Avionics
  		• Gaming Machines
  		• Industrial Control
  		• Industrial Weighing
  		• Instrumentation
  		• Security
  		• Telecom
  		• VFD Modules
  		• White Goods

    Diagram
    MAX6922, MAX6932, MAX6933, MAX6934: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 1154: Vacuum-Fluorescent-Display (VFD) Tube Manufacturers' Web Sites - MAX6922, MAX6932, MAX6933, MAX6934

    Design Guides
  		• Displays (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:
  		• Underwriters Laboratories (UL®) Recognized

    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: 1-14 of 14

    MAX6922 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6922AQH+D  
    		Active PLCC;44 pin;311.5 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6922AQH+TD    
    		Active PLCC;44 pin;311.5 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6922AQH-D  
    		Active PLCC;44 pin;311.5 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6922AQH-TD    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6932 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6932AAX  
    		Active SSOP;36 pin;163.4 mm²
    Outline Drawing: 21-0040 (PDF)
    Land Pattern: 90-0098 (PDF)
    Use pkgcode/variation: A36-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6932AAX-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX6933 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6933AAX  
    		Active SSOP;36 pin;163.4 mm²
    Outline Drawing: 21-0040 (PDF)
    Land Pattern: 90-0098 (PDF)
    Use pkgcode/variation: A36-2*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6933AAX-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX6934 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6934AQH+D  
    		Active PLCC;44 pin;311.5 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6934AQH+TD    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6934AQH-D  
    		Active PLCC;44 pin;311.5 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0236 (PDF)
    Use pkgcode/variation: Q44-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6934AQH-TD    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6934ATH  
    		Active TQFN;44 pin;50.4 mm²
    Outline Drawing: 21-0144 (PDF)
    Land Pattern: 90-0128 (PDF)
    Use pkgcode/variation: T4477-3*
    		-40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6934ATH-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet

    More Information
  		• New Product Press Release 2004-02-09 

    Related Products
    MAX6920 12-Output, 76V, Serial-Interfaced VFD Tube Driver
    MAX6921, MAX6931 20-Output, 76V, Serial-Interfaced VFD Tube Drivers

    Didn't Find What You Need?
  • Next Day Product Selection Assistance from Applications Engineers
  • Parametric Search
  • Applications Help

    •  QuickView   Technical Documents   Ordering Info   More Information  
     Description 
     Key Features 
     Applications/Uses 
     Key Specifications 
     Diagram 

    		 Data Sheet 
     Application Notes 
     Design Guides 
     Engineering Journals 
     Reliability Reports 
     Software/Models 
     Evaluation Kits 

    		 Price and Availability 
     Samples 
     Buy Online 
     Package Information 
     Lead-Free Information 

    		 Related Products 
     Notes and Comments 
     Evaluation Kits 

    Document Ref.: 19-3224; Rev 2; 2007-03-16
    This page last modified: 2007-08-29


            •         •         •     Privacy Policy     •     Legal Notices

        Copyright © 2009 by Maxim Integrated Products