OTP语音芯片

WTN7系列语音芯片与WTN6系列语音芯片属于同系列,价格相比较同系列的WTN4、WTN5更具有优势,语音秒数比WTN6系列更长,WTN7兼容WTN6电路,兼有WTN6芯片优势。\r\n\r\n WTN7系列语音芯片封装有SOP8及DIP8,目前普遍用户比较青睐SOP8封装芯片,OTP单片机语音芯片,小体积,大容量,音质更佳,现有WTN7080、WTN7170两种芯片,（语音长度分别为80s和170s）,音频采样率目前最高可达44.1kH,16级音量控制,.PWM输出可以直接驱动8Ω0.5W喇叭,精准的+/-1%内部震荡,不需要加外部震荡,具备超低功耗待机。\r\n\r\n ★工作电压：2.8V~5.2V；\r\n\r\n★待机模式下,静态电流小于5uA；\r\n\r\n★精准的+/-1%内部震荡,有低压复位(LVR=1.8V)看门狗计时、I/O复位功能；\r\n\r\n★PWM纯音频输出,可直接驱动8Ω/0.5W喇叭和蜂鸣器；\r\n\r\n★内置看门狗；\r\n\r\n★具备串口控制模式：一线串口,两线串口（最多可以加载224段语音,后续有详解）；\r\n\r\n★支持BUSY状态输出功能；;

WayTronic

唯创知音

18W Audio Power Amplifier Circuit

■Overview The AN7170 is an integrated circuit manufactured by high voltage process designed for power amplifier of bus, track amplifier. Wide operating supply voltage range with output of 18W at 26.4V. It can be widely used for bus, truck amp., car stereo, home entertainment stereo set an

文件：48.64 Kbytes 页数：4 Pages

PANASONIC

松下

RF Modulator for UHF Band (Supports SECAM)

Overview The LA7170M is a UHF band RF modulator whose builtin RF oscillator and mixer make it a single-chip RF modulator solution. It also supports image positivity modulation and AM sound modulation for SECAM systems.

文件：110.27 Kbytes 页数：8 Pages

SANYO

三洋

UHF BAND GaAs POWER AMPLIFIER

DESCRIPTION The MGF7170AC is a monolithic microwave integrated circuit for use in CDMA base handheld phone. FEATURES - Low voltage operation : Vd=3.0V - High output power : Po=28dBm typ. @f=1.715~1.78GHz - Low distortion : ACP=-46dBc max. @Po=28dBm - High efficiency : Id=520m

文件：316.7 Kbytes 页数：16 Pages

MITSUBISHI

三菱电机