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MAX6922|MAX6932|MAX6933|MAX6934 PDF预览

MAX6922|MAX6932|MAX6933|MAX6934

更新时间： 2024-11-28 23:51:51
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美信 - MAXIM 驱动器
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16页 435K
描述
27-. 28-. and 32-Output. 76V. Serial-Interfaced VFD Tube Drivers

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MAX6922|MAX6932|MAX6933|MAX6934 数据手册

 浏览型号MAX6922|MAX6932|MAX6933|MAX6934的Datasheet PDF文件第2页浏览型号MAX6922|MAX6932|MAX6933|MAX6934的Datasheet PDF文件第3页浏览型号MAX6922|MAX6932|MAX6933|MAX6934的Datasheet PDF文件第4页浏览型号MAX6922|MAX6932|MAX6933|MAX6934的Datasheet PDF文件第5页浏览型号MAX6922|MAX6932|MAX6933|MAX6934的Datasheet PDF文件第6页浏览型号MAX6922|MAX6932|MAX6933|MAX6934的Datasheet PDF文件第7页 
19-3224; Rev 0; 1/04  
27-, 28-, and 32-Output, 76V,  
Serial-Interfaced VFD Tube Drivers  
General Description  
Features  
♦ 5MHz Industry-Standard 4-Wire Serial Interface  
♦ 3V to 5.5V Logic Supply Range  
The MAX6922/MAX6932/MAX6933/MAX6934 multi-out-  
put, 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.  
♦ 8V to 76V Grid/Anode Supply Range  
♦ -11V to 0V Filament Bias Supply  
(MAX6932/MAX6933/MAX6934 Only)  
♦ Push-Pull CMOS High-Voltage Outputs  
Data is input using standard 4-wire serial interface  
(CLOCK, DATA, LOAD, BLANK) compatible with other  
VFD drivers and controllers.  
♦ Outputs Can Source 40mA, Sink 4mA  
Continuously  
♦ Outputs Can Source 75mA Repetitive Pulses  
♦ Outputs Can Be Paralleled for Higher Current Drive  
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.  
♦ 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  
The MAX6922/MAX6932/MAX6934 have a serial inter-  
face data output, DOUT, allowing any number of  
devices to be cascaded on the same serial interface.  
The MAX6932/MAX6933/MAX6934 have a negative  
Ordering Information  
supply voltage input, V , allowing the drivers’ output  
SS  
swing to be made bipolar to simplify filament biasing in  
many applications.  
PART  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
44 PLCC  
MAX6922AQH  
MAX6932AAX  
MAX6933AAX  
MAX6934AQH  
MAX6934ATH  
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.  
36 SSOP  
36 SSOP  
44 PLCC  
Maxim also offers a 12-output VFD driver (MAX6920)  
and 20-output VFD drivers (MAX6921/MAX6931).  
44 Thin QFN  
Typical Operating Circuit  
Applications  
White Goods  
Gaming Machines  
Automotive  
Industrial Weighing  
Security  
+5V  
+60V  
C2  
C1  
Telecom  
100nF  
100nF  
Avionics  
Instrumentation  
VFD Modules  
Industrial Control  
38  
39  
V
V
CC  
BB  
µC  
MAX6934  
37  
17  
18  
15  
32  
VFDOUT  
DIN  
OUT0–OUT31  
Selector Guide  
VFCLK  
VFLOAD  
VFBLANK  
CLK  
BIPOLAR  
DOUT FOR  
OUTPUT  
LOAD  
BLANK  
NO. OF  
OUTPUTS  
PART  
CASCADING  
SWING  
V
GND  
16  
SS  
MAX6922  
MAX6932  
MAX6933  
MAX6934  
32  
27  
28  
32  
No  
Yes  
Yes  
No  
12  
-7V  
Yes  
Yes  
Yes  
C3  
100nF  
THIN QFN  
Yes  
Pin Configurations appear at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...16

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