Low-Cost 關P Supervisory Circuits with Battery Backup

General Description The MAX703/MAX704 microprocessor (μP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in μP systems. These devices significantly improve system reliability and accuracy compared to that obta

文件：351.02 Kbytes 页数：8 Pages

Maxim

美信

3.0V/3.3V Microprocessor Supervisory Circuits

文件：287.48 Kbytes 页数：12 Pages

Maxim

美信

低成本微处理器监控电路，具有备用电池控制器

MAX703/MAX704微处理器(µP)监控电路减少了µP系统中的电源监控和电池控制功能所需的复杂性和元件数量。与使用单独的IC或分立元件获得的结果相比，这些器件显著提高了系统的可靠性和准确性。\n\n MAX703/MAX704均采用8引脚DIP和SO封装，同时提供四种功能：\n\n 上电、关断和掉电情况下的低电平有效复位。 CMOS RAM、CMOS µP或其他低功耗逻辑电路的备用电池切换。 1.25V阈值检测器，用于电源故障警告、低电池电量检测或+5V以外电源的监控。 一个低电平有效手动复位输入。 MAX703和MAX70 • 备用电池电源开关\n\n• 精密电源电压监控器\n• 4.65V (MAX703)\n\n• 4.40V (MAX704)\n\n\n\n\n• 复位脉冲宽度：200ms\n\n• 去抖TTL/CMOS兼容手动复位输入\n\n• 静态电流：200µA\n\n• 备用电池模式下的静态电流：50nA\n\n• 电压监控器，监控有无电源故障或低电池电量警告\n\n• 8引脚DIP和SO封装\n\n• 低至VCC = 1V 时确保反RESET置位;

ADI

亚德诺

308MHz/315MHz/418MHz/433.92MHz Low-Power, FSK Superheterodyne Receiver

General Description The MAX7042 fully integrated, low-power, CMOS superheterodyne RF receiver is designed to receive  frequency-shift-keyed (FSK) data at rates up to 66kbps nonreturn-to-zero (NRZ) (33kbps Manchester). The MAX7042 requires only a few external components to realize a complete wirel

文件：225.37 Kbytes 页数：18 Pages

Maxim

美信

308MHz/315MHz/418MHz/433.92MHz Low-Power, FSK Superheterodyne Receiver

General Description The MAX7042 fully integrated, low-power, CMOS superheterodyne RF receiver is designed to receive  frequency-shift-keyed (FSK) data at rates up to 66kbps nonreturn-to-zero (NRZ) (33kbps Manchester). The MAX7042 requires only a few external components to realize a complete wirel

文件：225.37 Kbytes 页数：18 Pages

Maxim

美信

300MHz to 450MHz High-Efficiency, Crystal-Based 13dBm ASK Transmitter

General Description The MAX7044 crystal-referenced phase-locked-loop (PLL) VHF/UHF transmitter is designed to transmit OOK/ASK data in the 300MHz to 450MHz frequency range. The MAX7044 supports data rates up to 100kbps, and provides output power up to +13dBm into a 50Ω load while only drawing 7.7

文件：301.2 Kbytes 页数：9 Pages

Maxim

美信

300MHz to 450MHz High-Efficiency, Crystal-Based 13dBm ASK Transmitter

General Description The MAX7044 crystal-referenced phase-locked-loop (PLL) VHF/UHF transmitter is designed to transmit OOK/ASK data in the 300MHz to 450MHz frequency range. The MAX7044 supports data rates up to 100kbps, and provides output power up to +13dBm into a 50Ω load while only drawing 7.7

文件：301.2 Kbytes 页数：9 Pages

Maxim

美信

Low-Cost 關P Supervisory Circuits with Battery Backup

General Description The MAX703/MAX704 microprocessor (μP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in μP systems. These devices significantly improve system reliability and accuracy compared to that obta

文件：351.02 Kbytes 页数：8 Pages

Maxim

美信

Low-Cost 關P Supervisory Circuits with Battery Backup

General Description The MAX703/MAX704 microprocessor (μP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in μP systems. These devices significantly improve system reliability and accuracy compared to that obta

文件：351.02 Kbytes 页数：8 Pages

Maxim

美信

Low-Cost 關P Supervisory Circuits with Battery Backup

General Description The MAX703/MAX704 microprocessor (μP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in μP systems. These devices significantly improve system reliability and accuracy compared to that obta

文件：351.02 Kbytes 页数：8 Pages

Maxim

美信