三相电能计量系列IC

ATT7022E/26E、HT7038/36系列多功能、高性能三相电能专用计量芯片，内部集成了高精度二阶Sigma-delta ADC、参考电压电路以及数字信号处理等电路，能够测量各相以及合相的有功功率、无功功率、视在功率、有功能量及无功能量，同时还能测量各相电流、电压有效值、功率因数、相角、频率等参数，由于所有参数都是内部算法电路直接进行运算的结果，从而充分保证了参数的精度与可靠性。该系列芯片为三相多功能计量提供了功能齐全、设计简单的应用解决方案，可充分满足三相复费率多功能电能表的设计需求。 \n\n ATT7022E提供7路计量ADC输入，支持掉零线计量，并可直接输出所有测量参数，支 ·工作电压范围：3.0V ~ 3.6V\n·工作温度范围：-40°C ~ 85°C;

Hitrend

钜泉光电

Integrated Circuit Module, 2 Output Positive Voltage Regulator for VCR

Features: • 2 Outputs • Output Voltage Select Function

文件：21.08 Kbytes 页数：2 Pages

NTE

1.3GHz low voltage fractional-N dual frequency synthesizer

GENERAL DESCRIPTION The SA7026 BICMOS device integrates programmable dividers, charge pumps and a phase comparator to implement a phase-locked loop. The device is designed to operate from 3 NiCd cells, in pocket phones, with low current and nominal 3 V supplies. FEATURES •Low phase nois

文件：299.68 Kbytes 页数：18 Pages

PHI

PHI

1.3GHz low voltage fractional-N dual frequency synthesizer

GENERAL DESCRIPTION The SA7026 BICMOS device integrates programmable dividers, charge pumps and a phase comparator to implement a phase-locked loop. The device is designed to operate from 3 NiCd cells, in pocket phones, with low current and nominal 3 V supplies. FEATURES •Low phase nois

文件：299.68 Kbytes 页数：18 Pages

PHI

PHI