8键数码管显示驱动IC

WT0033是一种具有8个触摸按键扫描功能的LED数码管显示驱动芯片（可替换TM1648）,。该芯片具有较高的集成度，仅需极少的外部组件便可实现触摸按键的检测。芯片内部集成有MCU数字接口、数据锁存器、按键扫描和LED驱动等电路，具有高电源电压抑制比，可减少按键检测错误的发生，具有自动校准功能，抗电压波动等特性，质量可靠。主要适用于家电设备(智能热水器、微波炉、洗衣机、空调、电磁炉)、机顶盒、电子称、智能电表等数码管或LED显示设备。同时结合唯创公司的标准语音芯片WT2003H-16S、WT588F02B-16S芯片使用时只需要UART或IIC串口控制语音播放及LCD显示驱动，操作更加简单细节 1、自动校准功能\n\n2、最长按键输出时间检测\n\n3、具备抗电压波动功能\n\n4、支持标准I2C通信方式\n\n5、外接电容调整灵敏度\n\n6、采用CMOS工艺\n\n7、多种显示模式（10 段×7 位 ～ 13段×4 位）\n\n8、辉度调节电路（8 级占空比可调）\n\n9、振荡方式：内置RC振荡\n\n10、内置上电复位电路\n\n11、内置数据锁存电路\n\n12、内置针对LED反偏漏电导致暗亮问题优化电路\n\n13、抗干扰能力强\n\n14、封装形式：SOP32;

Fast Buffer Amplifier

General Description The ELH0033 is a high-speed, FET input voltage follower buffer designed to provide high output currents from DC to over 100 MHz. The ELH0033 slews at 1500 V/ms and will drive 100X loads. Phase linearity is excellent to 20 MHz, allowing the buffer to be included in op amp loops

Fast Buffer

GENERAL DESCRIPTION The LH0033 is a high speed, FET input, voltage follower/buffer designed to provide high current drive (up to 100mA) at frequencies from DC to over 100MHz. The LH0033 slews at 1500V/µs and exhibits excellent phase linearity up to 20MHz. FEATURES • Slew rate. . . . . . .

Fast Buffer

GENERAL DESCRIPTION The LH0033 is a high speed, FET input, voltage follower/buffer designed to provide high current drive (up to 100mA) at frequencies from DC to over 100MHz. The LH0033 slews at 1500V/µs and exhibits excellent phase linearity up to 20MHz. FEATURES • Slew rate. . . . . . .

GaAs SP3T 2.5V High Power Switch DC - 2.5 GHz

Description M/A-COM’s MASWSS0033 is a GaAs PHEMT MMIC SP3T high power switch in a low cost miniature FQFP 12-lead 3x3mm thin profile package. This package represents a lower profile than standard FQFP style, featuring a 0.8mm maximum thickness. The MASWSS0033 is ideally suited for applications w

GaAs SP3T 2.5V High Power Switch DC - 2.5 GHz

Description M/A-COM’s MASWSS0033 is a GaAs PHEMT MMIC SP3T high power switch in a low cost miniature FQFP 12-lead 3x3mm thin profile package. This package represents a lower profile than standard FQFP style, featuring a 0.8mm maximum thickness. The MASWSS0033 is ideally suited for applications w