Purchase MAX6934, In-stock MAX6934 From SeekIC.
Part Number: MAX6934
Description: The MAX6922/MAX6932/MAX6933/MAX6934 multi-output, 76V, vacuum-fluorescent display (VFD) tube drivers t...
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MAX6934
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General Description
MAX6934 General 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. All devices 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).
MAX6934 Maximum Ratings
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
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
MAX6934 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
· 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
MAX6934 Typical Application
·White Goods Industrial Weighing
·Gaming Machines Security
·Automotive Telecom
·Avionics VFD Modules
·Instrumentation Industrial Control
·Gaming Machines Security
·Automotive Telecom
·Avionics VFD Modules
·Instrumentation Industrial Control
MAX6934
PDF/DataSheet Download
- Datasheet: MAX6934
- File Size: 409314 KB
- Manufacturer: MAXIM
- Click here to Download
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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...
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