MAX6851

更新时间： 2024-11-16 23:51:51

品牌	Logo	应用领域
美信 - MAXIM		显示控制器
页数	文件大小	规格书
37页	490K
描述
2-Wire Interfaced.7-.14-.and 16-Segment Alphanumeric Vacuum-Fluorescent Display Controller

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MAX6851 数据手册

19-2746; Rev 0; 1/03

2-Wire Interfaced, 7-, 14-, and 16-Segment Alpha-

numeric Vacuum-Fluorescent Display Controller

General Description

Features

The MAX6851 compact vacuum-fluorescent display

(VFD) controller provides microprocessors with the mul-

tiplex timing for 7-segment, 14-segment, or 16-segment

alphanumeric VFD displays up to 96 characters and

controls industry-standard, shift-register, high-voltage

grid/anode VFD tube drivers. The device supports dis-

play tubes using either one or two digits per grid, as

well as universal displays. Hardware is included to sim-

plify the generation of cathode bias and filament sup-

plies and to provide up to five logic outputs, including a

buzzer driver. The MAX6851 provides an internal cross-

point switch to match any tube-driver, shift-register

grid/anode order, and is compatible with both chip-in-

glass and external tube drivers.

ꢀ 400kbps I²C-Compatible Serial Interface

ꢀ 2.7V to 3.6V Operation

ꢀ Controls Up to 48 Grids of 7-Segment, 14-Segment,

or 16-Segment Alphanumeric Digits

ꢀ One Digit and Two Digits per Grid and Universal

Displays Supported

ꢀ 16-Step Digital Brightness Control

ꢀ Built-In ASCII 104-Character Font

ꢀ 24 User-Definable Characters

ꢀ Up to Four Annunciators per Grid with Automatic

Blinking Control

ꢀ Separate Cursor Control with Automatic Blinking

ꢀ Filament Drive Full-Bridge Waveform Synthesis

The MAX6851 includes an ASCII 104-character font,

multiplex scan circuitry, and static RAM that stores

digit, cursor, and annunciator data, as well as font data

for 24 user-definable characters. The display intensity

can be adjusted by an internal 16-step digital bright-

ness control. The device also includes separate annun-

ciator and cursor control with automatic blinking, as

well as a low-power shutdown mode.

ꢀ Charge-Pump Drive Output to Generate Cathode

Bias Supply

ꢀ Buzzer Tone Generator with Single-Ended or

Push-Pull Driver

ꢀ Up to Five General-Purpose Logic Outputs

ꢀ 11µA Low-Power Shutdown (Data Retained)

ꢀ 16-Pin QSOP Package

The MAX6851 provides timing to generate the PWM

waveforms to drive the tube filament from a DC supply.

The filament drive is synchronized to the display multi-

plexing to eliminate beat artifacts.

For a high-speed SPI™/QSPI™/MICROWIRE™ inter-

faced version, refer to the MAX6850 data sheet.

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

Applications

MAX6851AEE

-40 C to +125 C

16 QSOP

Display Modules

Industrial Controllers

Retail POS Displays

White Goods

Typical Application Circuit

Weight and Tare

Displays

Professional Audio

Equipment

CHIP-ON-GLASS VFD

Bar Graph Displays

VFD SUPPLY VOLTAGE

0.1µF

MICROCONTROLLER

Pin Configuration and Functional Diagram appear at end of

data sheet.

VFCLK

VFDOUT

VFLOAD

MAX6851

SDA

SCL

SDA

SCL

VFBLANK

OSC2

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

OSC1

GND

10kΩ

56pF

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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与MAX6851相关器件

型号	品牌	获取价格	描述	数据表
MAX6851AEE	MAXIM	获取价格	2-Wire Interfaced, 7-, 14-, and 16-Segment Alpha numeric Vacuum -Fluorescent
MAX6851AEE-T	MAXIM	获取价格	Fluorescent Display Controller, CMOS, PDSO16, 0.150 INCH, 0.635 MM PITCH, QSOP-16
MAX6852	MAXIM	获取价格	4-Wire Interfaced, 5 x 7 Matrix Vacuum- Fluorescent Display Controller
MAX6852AEE	MAXIM	获取价格	4-Wire Interfaced, 5 x 7 Matrix Vacuum- Fluorescent Display Controller
MAX6852AEE+	MAXIM	获取价格	Vacuum Fluorescent Driver
MAX6852AEE+T	MAXIM	获取价格	Vacuum Fluorescent Driver
MAX6852AEE-T	MAXIM	获取价格	Vacuum Fluorescent Driver, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, MO-137AA, QSOP-16
MAX6853	MAXIM	获取价格	2-Wire Interfaced.5 x 7 Matrix Vacuum-Fluorescent Display Controller
MAX6853AEE	MAXIM	获取价格	2-Wire Interfaced, 5 . 7 Matrix Vacuum- Fluorescent Display Controller
MAX6853AEE	ROCHESTER	获取价格	VACUUM FLUOR DISPLAY DRIVER, PDSO16, 0.150 INCH, 0.25 MM PITCH, MO-137, QSOP-16

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