SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC

Scope This application note describes a simple interface for keyboard entry to the SA253x family via a Microcontroller. It also includes hardware description , flowchart and a software example based on the 80Cxx - family of Microcontrollers. Key Features • only 5 outputs and 1 input required fr

SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS

Scope This application note describes a simple add-on circuit for extracting current to supply external loads. It also includes hardware description ,schematic and Vout/Iout curves. Key Features • Only few additional low-cost components necessary • Can drive line currents up to ILine-5mA (=15

MOS驱动

SA2531是一款针对于高速驱动N型功率MOSFET和IGBT设计的低侧栅极驱动芯片，可在25V电压下工作。 \n\nSA2531内置VCC（UVLO）保护功能，防止功率管在过低的电压下工作，提高效率。同时具有快速开关能力，提升了效率。 \n\nSA2531输入脚兼容3.3-15.0V输入逻辑，驱动能力为+1.0A/-1.5A。控制使能信号，芯片可以进入低功耗模式。 \n\nSA2531采用SOT23-5封装。 • 工作电压范围:5.0-25V \n• 兼容3.3/5/25V输入逻辑 \n• 驱动电流:+1.0A/-1.5A(typ.) \n• 快速响应时间 \n• 集成使能控制信号 \n• 集成VCC欠压保护 \n• SOT23-5 封装 \n• ;

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION\nThe SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone.\nThe device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit.\nA RAM is on chi ■ Operating range from 13 to 100 mA\n   (down to 5 mA with reduced performance)\n■ Volume control of receive signalExcept \"D\")\n■ Low noise (max. -72dBmp)\n■ Real or Complex impedance on chip programmable\n■ LD/MF switchable dialling\n■ 14 memories, 4 direct/10 indirect or 10 direct\n■ Pause key f;

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

GENERAL DESCRIPTION The SA2531 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. A RAM i

VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER

Silicon Complementary Transistors High Voltage Driver

Features: • High Current Capacity: IC = 2A • High Breakdown Voltage: VCEO = 400V Min

Silicon NPN epitaxial planer transistor

Silicon NPN epitaxial planer transistor For high frequency, oscillation and mixing ■ Features ● Two elements incorporated into one package. (Base-coupled transistors) ● Reduction of the mounting area and assembly cost by one half.