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参数资料
| 型号： | MAX6850AEE-T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 显示驱动器 |
| 英文描述： | 4-Wire Interfaced, 7-, 14-, and 16-Segment Alphanumeric Vacuum-Fluorescent Display Controller |
| 中文描述： | VACUUM FLUOR DISPLAY DRIVER, PDSO16 |
| 封装： | 0.150 INCH, 0.25 MM PITCH, MO-137, QSOP-16 |
| 文件页数： | 1/34页 |
| 文件大小： | 485K |
| 代理商： | MAX6850AEE-T |
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General Description
The MAX6850 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 MAX6850 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.
The MAX6850 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.
The MAX6850 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. The MAX6850 is
compatible with SPI and QSPI.
For a 2-wire interfaced version, refer to the MAX6851*
data sheet.
Applications
Features
o High-Speed 26MHz SPI-/QSPI-/MICROWIRE-
Compatible Serial Interface
o 2.7V to 3.6V Operation
o Controls Up to 48 Grids of 7-Segment, 14-Segment,
or 16-Segment Alphanumeric Digits
o One Digit and Two Digits per Grid and Universal
Displays Supported
o 16-Step Digital Brightness Control
o Built-In ASCII 104-Character Font
o 24 User-Definable Characters
o Up to Four Annunciators per Grid with Automatic
Blinking Control
o Separate Cursor Control with Automatic Blinking
o Filament Drive Full-Bridge Waveform Synthesis
o Buzzer Tone Generator with Single-Ended or
Push-Pull Driver
o Up to Five General-Purpose Logic Outputs
o 9A Low-Power Shutdown (Data Retained)
o 16-Pin QSOP Package
MAX6850
4-Wire Interfaced, 7-, 14-, and 16-Segment Alpha-
numeric Vacuum-Fluorescent Display Controller
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-2635; Rev 1; 1/03
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.
PART
TEMP RANGE
PIN-PACKAGE
MAX6850AEE
-40
°C to +125°C
16 QSOP
Display Modules
Retail POS Displays
Weight and Tare
Displays
Bar Graph Displays
Industrial Controllers
White Goods
Professional Audio
Equipment
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
*Future product—contact factory for availability.
MAX6850
VFCLK
VFDOUT
VFLOAD
VFBLANK
OSC2
DIN
SCLK
OSC1
CS
DOUT
SCLK
CS
MICROCONTROLLER
56pF
0.1
F
GND
CHIP-ON-GLASS VFD
VFD SUPPLY VOLTAGE
10k
Typical Application Circuit
Pin Configuration and Functional Diagram appear at end of
data sheet.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6851AEE | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6851AEE+T | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6851AEE-T | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6852AEE | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6852AEE+ | 功能描述:VFD驱动器 Integrated Circuits (ICs) PMIC - Display Drivers - IC VFD CTRLR MATRIX 16QSOP RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
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