13.56MHz contactless card reader chip conforming to ISO/IEC 14443A/B standards

Key Features  Highly integrated, ultra-low power contactless card reader/writer chip, operating at 13.56MHz, supporting various card reader/writer solutions with dual-coil drive.  Wide operating voltage range, power supply voltage 2.0 ~ 5.5V.  Extremely low standby and scan power consumption

符合ISO/IEC14443A/B标准13.56MHz非接触式读写卡芯片

WS1850S是针对金融领域及非接触式门锁类、门禁类和各种读卡设备应用推出的低电压、低成本的符合ISO/IEC 14443 Type A/TYPE B协议并工作在13.56MHz高频模式下的读写卡芯片，具有高集成度和超低功耗的特点。特别适用于在追求低成本的同时需要较高性能的非接触式读卡数据传输的应用场合。

Integrated Circuit Dual 12W/Channel Audio Power Amplifier

Description: The NTE1850 is a dual Hi–Fi audio power amplifier in a 9–Lead SIP type package designed for mains–fed applications such as stereo TV sound and stereo radio. The circuit is optimal for symmetrical power supplies but is also well suited to asymmetrical power supply systems. An output

Quad Band GSM/GPRS Power Amplifier Module

General Description The RMPA1850 power amplifier module (PAM) is designed for GSM/GPRS cellular handset applications. The PAM a fully input and output 50Ω matched. It also includes integrated power control and band select. Features ■ Quad band, matched module ■ High efficiency- 55 GSM850/900,

P-CHANNEL MOS FIELD EFFECT TRANSISTOR FOR SWITCHING

DESCRIPTION The µPA1850 is a switching device which can be driven directly by a 2.5-V power source. The µPA1850 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 • Can be dri

24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA

文件：370.87 Kbytes Page：10 Pages

24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA

文件：370.87 Kbytes Page：10 Pages