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AS1108WL-T PDF预览

AS1108WL-T

更新时间: 2024-01-12 05:45:22
品牌 Logo 应用领域
艾迈斯 - AMSCO 显示驱动器
页数 文件大小 规格书
19页 603K
描述
4-Digit LED Display Driver

AS1108WL-T 技术参数

是否Rohs认证: 符合生命周期:Contact Manufacturer
零件包装代码:SOIC包装说明:SOP,
针数:20Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.3数据输入模式:SERIAL
显示模式:DIGIT接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
湿度敏感等级:3复用显示功能:YES
位数/字符:4-DIGIT功能数量:1
区段数:8端子数量:20
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:2.64 mm最大供电电压:5.5 V
最小供电电压:2.7 V标称供电电压:5 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40最小 fmax:10 MHz
Base Number Matches:1

AS1108WL-T 数据手册

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austriamicrosystems  
Data Sheet  
AS1108  
4-Digit LED Display Driver  
1 General Description  
2 Key Features  
10MHz SPI-, QSPI-, Microwire-Compatible  
The AS1108 is a compact display driver for 7-segment  
numeric displays of up to 4 digits. The device can be  
programmed via SPI, QSPI, and Microwire as well as a  
conventional 4-wire serial interface.  
Serial I/O  
Individual LED Segment Control  
Segment Blinking Control (can be synchronized  
across multiple drivers)  
The device includes an integrated BCD code-B/HEX  
decoder, multiplex scan circuitry, segment and display  
drivers, and a 32-bit memory. Internal memory stores  
the LED settings, eliminating the need for continuous  
device reprogramming.  
Hexadecimal- or BCD-Code/No-Decode  
Digit Selection  
3µA Low-Power Shutdown Current (typ;  
data retained)  
Extremely Low Operating Current 0.5mA in  
Every segment can be individually addressed and  
updated separately. Only one external resistor (RSET) is  
required to set the current through the LED display. LED  
brightness can be controlled by analog or digital means.  
The device can be programmed to use the internal  
code-B/HEX decoder to display numeric digits or to  
directly address each segment.  
Open-Loop  
Digital and Analog Brightness Control  
Display Blanked on Power-Up  
Drive Common-Cathode LED Displays  
Supply Voltage Range: +2.7 to +5.5V  
Software Reset  
The AS1108 features an extremely low shutdown cur-  
rent of typically 3µA, and an operational current of less  
than 500µA. The number of digits can be programmed,  
the device can be reset by software, and an external  
clock is also supported. Additionally, segment blinking  
can be synchronized across multiple drivers.  
Optional External Clock  
Packages:  
- 20-pin DIP  
- 20-pin SOIC  
The AS1108 provides several test modes for easy appli-  
cation debugging.  
3 Applications  
The AS1108 is ideal for bar-graph displays, instrument-  
panel meters, LED matrix displays, dot matrix displays,  
set-top boxes, white goods, professional audio equip-  
ment, medical equipment, industrial controllers and  
panel meters.  
The device is available in a 20-pin DIP and a 20-pin  
SOIC package.  
Figure 1. Typical Application Diagram  
+5V  
VDD  
9.53kΩ  
4 Digits  
ISET  
DIG0 to  
DIG3  
DIN  
I/O  
8 Segments  
LOAD/CSN  
I/O  
AS1108  
CLK  
SCK  
SEG A to G  
SEP DP  
GND  
Micro-  
processor  
GND  
4-Digit Microprocessor Display  
www.austriamicrosystems.com  
Revision 2.1  
1 - 19  

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