- 您现在的位置：买卖IC网 > PDF目录20187 > AS1108WL-T (ams)IC DRIVER LED 4-DIGIT 20-SOIC PDF资料下载
参数资料
| 型号： | AS1108WL-T |
| 厂商： | ams |
| 文件页数： | 2/21页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER LED 4-DIGIT 20-SOIC |
| 标准包装： | 1,500 |
| 显示器类型： | LED |
| 配置： | 7 段 + DP |
| 接口： | 串行 |
| 数字或字符： | 4 位数字 |
| 电流 - 电源： | 330mA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC |
| 包装： | 带卷 (TR) |
Datas h eet
A S 11 0 8
4- D i g i t L E D D i sp l a y D r i ve r
1 General Description
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.
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.
Every segment can be individually addressed and
updated separately. Only one external resistor (R SET ) 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.
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.
The AS1108 provides several test modes for easy appli-
cation debugging.
The device is available in a SOIC 20-pin package.
2 Key Features
10MHz SPI-, QSPI-, Microwire-Compatible
Serial I/O
Individual LED Segment Control
Segment Blinking Control (can be synchronized
across multiple drivers)
Hexadecimal- or BCD-Code/No-Decode
Digit Selection
3μA Low-Power Shutdown Current (typ;
data retained)
Extremely Low Operating Current 0.5mA in
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
Optional External Clock
SOIC 20-pin package
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.
Figure 1. AS1108 - Typical Application Diagram
+5V
9.53k ?
I/O
ISET
DIN
VDD
DIG0 to
DIG3
4 Digits
I/O
SCK
Micro-
LOAD/CSN
CLK
GND
AS1108
8 Segments
SEG A to G
SEP DP
processor
GND
4-Digit Microprocessor Display
Revision 2.13
1 - 20
相关PDF资料 |
PDF描述 |
|---|---|
| EBC20DRTH-S13 | CONN EDGECARD 40POS .100 EXTEND |
| CDBA140-G | DIODE SCHOTTKY 40V 1A SMA |
| F221K29Y5RP63J5R | CAP CER 220PF 2KV 10% RADIAL |
| R2S8-0515 | CONV DC/DC 2W 5VIN 15VOUT SMD |
| F471K33Y5RP63K5R | CAP CER 470PF 2KV 10% RADIAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AS1108WL-T-Z | 制造商:AMS 功能描述:0 |
| AS1108-XXX-I-A1-D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
| AS1108-XXX-I-A1-S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
| AS1108-XXX-I-A2-D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
| AS1108-XXX-I-A2-S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
发布紧急采购，3分钟左右您将得到回复。