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| 型号： | MAX6921AQI+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC DRVR VFD TUBE SRL 28-PLCC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 500 |
| 显示器类型： | 真空荧光 (VF) |
| 接口： | 4 线串行 |
| 电流 - 电源： | 1.65mA |
| 电源电压： | 8 V ~ 76 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-LCC（J 形引线） |
| 供应商设备封装： | 28-PLCC（11.51x11.51） |
| 包装： | 带卷 (TR) |
19-3020; Rev 1; 4/10
20-Output, 76V, Serial-Interfaced
VFD Tube Drivers
General Description
The MAX6921/MAX6931 are 20-output, 76V, vacuum-
fluorescent 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 shut-
down mode. Display intensity can also be controlled by
directly pulse-width modulating the BLANK input.
The MAX6921 has a serial interface data output, DOUT,
allowing any number of devices to be cascaded on the
same serial interface.
The MAX6931 has a negative supply voltage input, V SS ,
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 Temperature Range
Ordering Information
allowing the drivers’ output swing to be made bipolar to
simplify filament biasing in many applications.
PART
MAX6921 AUI+
TEMP RANGE
-40 ° C to +125 ° C
PIN-PACKAGE
28 TSSOP
The MAX6921 is available in 28-pin TSSOP, SO, and
PLCC packages. The MAX6931 is available in a 28-pin
TSSOP package.
Maxim also offers 12-output VFD drivers (MAX6920) and
32-output VFD drivers (MAX6922/MAX6932).
Applications
MAX6921AWI/V+ -40 ° C to +125 ° C 28 Wide SO
MAX6921AQI+ -40 ° C to +125 ° C 28 PLCC
MAX6931 AUI+ -40 ° C to +125 ° C 28 TSSOP
+Denotes a lead-free(Pb)/RoHS-compliant package.
/V denotes an automotive qualified part.
Typical Operating Circuit
White Goods
Industrial Weighing
Gaming Machines
Automotive
Avionics
Instrumentation
Security
Telecom
VFD Modules
Industrial Control
C1
100nF
+5V
7
V CC
+60V
8
V BB
C2
100nF
μ C
MAX6931
VFDOUT
VFCLK
VFLOAD
VFBLANK
6
22
23
20
DIN
CLK
LOAD
BLANK
OUT0–OUT19
20
V SS
GND
Pin Configurations appear at end of data sheet.
C3
100nF
-7V
9
21
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6921AUI | 功能描述:VFD驱动器 12-Output 76V Serial VFD Tube Driver 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 |
| MAX6921AUI+ | 功能描述:VFD驱动器 12-Output 76V Serial VFD Tube Driver 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 |
| MAX6921AUI+T | 功能描述:VFD驱动器 12-Output 76V Serial VFD Tube Driver 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 |
| MAX6921AUI-T | 功能描述:VFD驱动器 12-Output 76V Serial VFD Tube Driver 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 |
| MAX6921AWI | 功能描述:VFD驱动器 12-Output 76V Serial VFD Tube Driver 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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