MAX6934AQH+D by Analog Devices

27-, 28-, and 32-Output, 76V, Serial-Interfaced VFD Tube Drivers


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).

Where to Buy

Prices starting from US$2.34

Distributor Stock
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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

Specifications

VSUPPLY (V) 3.5 to 5.58.0 to 76.0
Package/Pins PLCC/44
BudgetaryPrice (See Notes) 5.84


MAX6934AQH+D Semiconductors - ICs by Analog Devices

DISPLAY DRIVER VFD TUBE PLCC-44

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

No. of Digits -
No. of Segments -
Driver Case Style PLCC
No. of Pins 44Pins
Supply Voltage Min 3V
Supply Voltage Max 5.5V
Interface Type Serial
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
MSL MSL 3 - 168 hours
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

27-, 28-, and 32-Output, 76V, | Analog Devices
DISPLAY DRIVER, VFD TUBE, PLCC-44 | element14
Display Driver, Vfd Tube, Plcc-44 | Newark Electronics

Frequently Asked Questions

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Is the MAX6934AQH+D RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX6934AQH+D have stock available?

Authorised distributors including Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for MAX6934AQH+D .

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