Low-Cost 關(guān)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 頁數(shù)：8 Pages

MAXIM

美信

3.0V/3.3V Microprocessor Supervisory Circuits

文件：287.48 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

低成本微處理器監(jiān)控電路，具有備用電池控制器

MAX703/MAX704微處理器(μP)監(jiān)控電路減少了μP系統(tǒng)中的電源監(jiān)控和電池控制功能所需的復(fù)雜性和元件數(shù)量。與使用單獨(dú)的IC或分立元件獲得的結(jié)果相比，這些器件顯著提高了系統(tǒng)的可靠性和準(zhǔn)確性。\n\n MAX703/MAX704均采用8引腳DIP和SO封裝，同時(shí)提供四種功能：\n\n 上電、關(guān)斷和掉電情況下的低電平有效復(fù)位。 CMOS RAM、CMOS μP或其他低功耗邏輯電路的備用電池切換。 1.25V閾值檢測(cè)器，用于電源故障警告、低電池電量檢測(cè)或+5V以外電源的監(jiān)控。 一個(gè)低電平有效手動(dòng)復(fù)位輸入。 MAX703和MAX70 ? 備用電池電源開關(guān)\n\n? 精密電源電壓監(jiān)控器\n? 4.65V (MAX703)\n\n? 4.40V (MAX704)\n\n\n\n\n? 復(fù)位脈沖寬度：200ms\n\n? 去抖TTL/CMOS兼容手動(dòng)復(fù)位輸入\n\n? 靜態(tài)電流：200μA\n\n? 備用電池模式下的靜態(tài)電流：50nA\n\n? 電壓監(jiān)控器，監(jiān)控有無電源故障或低電池電量警告\n\n? 8引腳DIP和SO封裝\n\n? 低至VCC = 1V 時(shí)確保反RESET置位;

ADI

亞德諾

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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：9 Pages

MAXIM

美信

Low-Cost 關(guān)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 頁數(shù)：8 Pages

MAXIM

美信

Low-Cost 關(guān)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 頁數(shù)：8 Pages

MAXIM

美信

Low-Cost 關(guān)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 頁數(shù)：8 Pages

MAXIM

美信