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MAX6931 - (MAX6921 / MAX6931) Serial-Interfaced VFD Tube Drivers

Download the MAX6931 datasheet PDF. This datasheet also covers the MAX6921 variant, as both devices belong to the same (max6921 / max6931) serial-interfaced vfd tube drivers family and are provided as variant models within a single manufacturer datasheet.

Description

The MAX6921/MAX6931 are 20-output, 76V, vacuumfluorescent display (VFD) tube drivers that interface a multiplexed VFD tube to a VFD controller, such as the MAX6850

MAX6853, or to a microcontroller.

The MAX6921/MAX6931 are also ideal for driving static VFD tubes or telecom relays.

Features

  • o 5MHz Industry-Standard 4-Wire Serial Interface o 3V to 5.5V Logic Supply Range o 8V to 76V Grid/Anode Supply Range o -11V to 0V Filament Bias Supply (MAX6931 Only) o Push-Pull CMOS High-Voltage Outputs o Outputs can Source 40mA, Sink 4mA Continuously o Outputs can Source 75mA Repetitive Pulses o Outputs can be Paralleled for Higher Current Drive o Any Output can be Used as a Grid or an Anode Driver o Blank Input Simplifies PWM Intensity Control o Small 28-Pin TSSOP Package o -40°C to +125°C Te.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX6921_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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MAX6900 I2C-Compatible RTC Maxim
MAX6901 I2C-Compatible RTC Maxim

Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX6932 Serial-Interfaced VFD Tube Drivers
MAX6933 Serial-Interfaced VFD Tube Drivers
MAX6934 Serial-Interfaced VFD Tube Drivers
MAX6920 Serial-Interfaced VFD Tube Driver
MAX6921 (MAX6921 / MAX6931) Serial-Interfaced VFD Tube Drivers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-3020; Rev 0; 10/03 20-Output, 76V, Serial-Interfaced VFD Tube Drivers General Description The MAX6921/MAX6931 are 20-output, 76V, vacuumfluorescent display (VFD) tube drivers that interface a multiplexed VFD tube to a VFD controller, such as the MAX6850–MAX6853, or to a microcontroller. The MAX6921/MAX6931 are also ideal for driving static VFD tubes or telecom relays. Data is input using an industry standard 4-wire serial interface (CLOCK, DATA, LOAD, BLANK), compatibile with either Maxim’s or industry-standard VFD driver and controller. For easy display control, the active-high BLANK input forces all driver outputs low, turning the display off, and automatically puts the MAX6921/MAX6931 into shutdown mode.
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