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MAX6920

Features: 5MHz Industry-Standard 4-Wire Serial Interface 3V to 5.5V Logic Supply Range 8V to 76V Grid/Anode Supply Range 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 ...

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MAX6920: Features: 5MHz Industry-Standard 4-Wire Serial Interface 3V to 5.5V Logic Supply Range 8V to 76V Grid/Anode Supply Range Push-Pull CMOS High-Voltage Outputs Outputs can Source 40mA, Sink 4mA Contin...

MAX6920 Data Sheet

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Part Number:
MAX6920
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

5MHz Industry-Standard 4-Wire Serial Interface
3V to 5.5V Logic Supply Range
8V to 76V Grid/Anode Supply Range
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
Small 20-Pin SO Package
-40°C to +125°C Temperature Range


Application

White Goods              Industrial Weighing
Gaming Machines       Security
Automotive                 Telecom
Avionics


Pinout

Connection Diagram


Specifications

Voltage (with respect to GND)
     VBB................................................................... -0.3V to +80V
     VCC.................................................................... -0.3V to +6V
     OUT_.......................................................-0.3V to (VBB+ 0.3V)
     All Other Pins..........................................-0.3V to (VCC+ 0.3V)
OUT_ Continuous Source Current......................................-45mA
OUT_ Pulsed (1ms max, 1/4 max duty) Source Current.....-80mA
Total OUT_ Continuous Source Current...........................-540mA
Total OUT_ Continuous Sink Current...................................60mA
Total OUT_ Pulsed (1ms max, 1/4 max duty)
     Source Current............................................................-960mA
OUT_ Sink Current...............................................................15mA
CLK, DIN, LOAD, BLANK, DOUT Current..............................±10mA
Continuous Power Dissipation
     20-Pin Wide SO (derate 10mW/°C over TA= +70°C)....800mW
Operating Temperature Range (TMIN to TMAX)....-40°C to +125°C
Junction Temperature........................................................+150°C
Storage Temperature Range...............................-65°C to +150°C
Lead Temperature (soldering, 10s)....................................+300°C


Description

The MAX6920 is a 12-output, 76V, vacuum fluorescent display (VFD) tube driver that interfaces a multiplexed VFD tube to a VFD controller such as the MAX6850MAX6853 or to a microcontroller. The MAX6920 is also ideal for driving either static VFD tubes or telecom relays.

Data is inputted using an industry-standard 4-wire serial interface (CLOCK, DATA, LOAD, BLANK) for compatibility with both industry-standard drivers and Maxim's VFD controllers. For easy display control, the active-high BLANK input forces all driver outputs low, turning the display off, and automatically puts the MAX6920 into shutdown mode. Display intensity may also be controlled by pulse-width  modulating the BLANK input.

The MAX6920 has a serial interface data output pin, DOUT, allowing any number of devices to be cascaded on the same serial interface.
The MAX6920 is available in a 20-pin SO package. Maxim also offers VFD drivers with either 20 (MAX6921/MAX6931) or 32 outputs (MAX6922 and MAX6932).




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