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MAX6922

Features: · 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...

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SeekIC No. : 004411982 Detail

MAX6922: Features: · 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-Pul...

MAX6922 Data Sheet

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Part Number:
MAX6922
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
· -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


Application

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


Specifications

Voltage (with respect to GND)
VBB ....................................................................-0.3V to +80V
VCC......................................................................-0.3V to +6V
VSS (MAX6932/MAX6933/MAX6934 only)............-12V to +0.3V
VBB - VSS (MAX6932/MAX6933/MAX6934 only) ..-0.3V to +80V
OUT_ (MAX6922 only) .................(GND - -0.3V) to (VBB + 0.3V)
OUT_ (MAX6932/MAX6933/MAX6934 only)
......................................................(VSS - -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 .........................-840mA
Total OUT_ Continuous Sink Current ...............................140mA
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 (TA = +70°C)
36-Pin SSOP (derate 11.8mW/°C
over +70°C)....................................................................941mW
44-Pin Thin QFN (derate 27mW/°C
over +70°C)..................................................................2165mW
44-Pin PLCC (derate 13.3mW/°C
over +70°C)..................................................................1067mW
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 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 MAX6850MAX6853. The MAX6922/MAX6934 have 32 outputs, while the MAX6932 has 27 outputs, and the MAX6933 has 28 outputs. MAX6922 are also suitable for driving telecom relays. Data is input using standard 4-wire serial interfac (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 thin QFN packages.

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




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