U.S./International Modem DAA Line Codec Chipset

GENERAL DESCRIPTION The AD1803 is a low power, 16-bit codec for modem, voice/handset, and telephony applications. It can also be used as a cellular telephone interface. The AD1803 is an Intel AC 97 Rev 2.1-compliant modem codec (refer to documentation about the Intel AC 97) with selectable A

Modem/Telephony Codec

GENERAL DESCRIPTION\nThe AD1803 is a low power, 16-bit codec for modem, voice/handset, and telephony applications. It can also be used as a cellular telephone interface.\nThe AD1803 is an Intel AC 97 Rev 2.1-compliant modem codec (refer to documentation about the Intel AC 97) with selectable AC 97 o   Low power modem/telephony codec\n  16-bit oversampling Σ-Δ converter technology\n  Intel® AC ‘97 Rev 2.1-compliant modem codec implementation\n  AC ‘97 or DSP style serial interface\n  Supports all modem/fax standards, including V.90\n  Multiple crystal/clock rates supported\n  Programmable gain, ;

8 Bit FLASH MCU

• 8 位RISC CPU内核，20MHz，支持2T、4T CPU运算模式，内置8x8单周期硬件乘法器， 16/16除法器 \n• 存储器\n4K*16 位MTP程序存储器空间（支持1K次擦除写入）,16级深度硬件堆栈\n512字节通用数据寄存器空间\n• 3组IO口（最多可支持17个通用 IO 口，支持20mA的输出电流和灌电流；支持上下拉电阻；所有IO SMT支持两路SMT电平输入选择；默认5个PWM IO上电下拉电阻打开、5个PWM IO上电上拉电阻打开）\n• 正常高速工作模式(20MHz, IO不翻转)，小于2Ma；低功耗模式，唤醒时间可配置，最小16个系统时钟；PowerOff模式;

Modem/Telephony Codec

文件：5.1541 Mbytes Page：32 Pages

U.S./International Modem DAA Line Codec Chipset

GENERAL DESCRIPTION The AD1803 is a low power, 16-bit codec for modem, voice/handset, and telephony applications. It can also be used as a cellular telephone interface. The AD1803 is an Intel AC 97 Rev 2.1-compliant modem codec (refer to documentation about the Intel AC 97) with selectable A

Modem/Telephony Codec

文件：5.1541 Mbytes Page：32 Pages

U.S./International Modem DAA Line Codec Chipset

1.8 GHz UPMIXER, EXCITER AND LO AMP GaAs MONOLITHIC INTEGRATED CIRCUIT

Designed primarily for use in DECT, Japan’s Personal Handy System (PHS), and other wireless Personal Communication Systems (PCS) applications at 1.8 GHz, but also applicable to Industrial, Scientific and Medical (ISM) applications at 2.5 GHz. The MRFIC1803 is a complete active upmixer, exciter amp

Integrated Circuit Stereo Audio Control

Description: The NTE1803 is an linear integrated circuit in a 18–Lead DIP type package designed as an active stereo tone/volume control for car radios, TV receivers, and audio equipment. It includes functions for bass and treble control, volume control with built–in contour (can be switched off

HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

DESCRIPTION The ST1803DHI is manufactured using Diffused Collector technology for more stable operation Vs base drive circuit variations resulting in very low worst case dissipation. ■ NEW SERIES, ENHANCED PERFORMANCE ■ FULLY INSULATED PACKAGE (U.L. COMPLIANT) FOR EASY MOUNTING ■ INTEGRATED FR

HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

DESCRIPTION The ST1803DHI is manufactured using Diffused Collector technology for more stable operation Vs base drive circuit variations resulting in very low worst case dissipation. ■ NEW SERIES, ENHANCED PERFORMANCE ■ FULLY INSULATED PACKAGE (U.L. COMPLIANT) FOR EASY MOUNTING ■ INTEGRATED FR

N-CHANNEL MOS FIELD EFFECT TRANSISTOR FOR SWITCHING

DESCRIPTION The µPA1803 is a switching device which can be driven directly by a 4.5-V power source. The µPA1803 features a low on-state resistance and excellent switching characteristics, and is suitable for applications such as power switch of portable machine and so on. FEATURES