3通道、Σ-Δ型ADC

ADE7978、ADE7933/ADE7932 和 ADE7923 构成一个专用芯片组，将分流器用作为电流传感器进行3相电能计量。\n\n ADE7933/ADE7932是隔离式3通道Σ-Δ型模数转换器(Σ-Δ ADC)，利用分流电流传感器进行三相电能计量应用。 ADE7923是一款非隔离式3通道Σ-Δ ADC，可利用分流传感器实现零线检测。 ADE7932集成两个24位ADC，而ADE7933和ADE7923集成三个24位ADC。 \n\n 使用分流器来检测电流时，其中一个通道专门用来测量该分流器上的电压。 该通道在3.3 kHz信号带宽内提供67 dB信噪比(SNR)。 • 支持分流电流传感器用于三相电能计量\n \n• 抗磁场干扰\n \n• 高精度；支持EN 50470-1、EN 50470-3、IEC 62053-21、IEC 62053-22、IEC 62053-23、ANSI C12.20和IEEE 1459标准\n \n• 兼容三相三线或三相四线（三角形或Y形）电表及其它三相配置\n \n• 计算各相以及整个系统的有功功率、无功功率和视在功率\n \n• TA = 25°C时，在2000:1的动态范围内有功和无功电能误差小于0.2%\n \n• TA= 25°C时，在500:1的动态范围内电压均方根误差小于0.1%\n \n• TA;

Isolated Energy Metering Chipset for Polyphase Shunt Meters

文件：2.34209 Mbytes Page：125 Pages

Isolated Energy Metering Chipset for Polyphase Shunt Meters

文件：2.34209 Mbytes Page：125 Pages

封装/外壳：20-SOIC（0.295"，7.50mm 宽） 包装：管件 描述：IC SHUNT/METER 24BIT 8K 20SOIC 集成电路（IC） ADC/DAC - 特殊用途

Isolated Energy Metering Chipset for Polyphase Shunt Meters

文件：2.34209 Mbytes Page：125 Pages

封装/外壳：20-SOIC（0.295"，7.50mm 宽） 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC SHUNT/METER 24BIT 8K 20SOIC 集成电路（IC） ADC/DAC - 特殊用途

4-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 16-Lead TSSOP

GENERAL DESCRIPTION The AD7923 is a 12-bit, high speed, low power, 4-channel, successive approximation (SAR) ADC. It operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. It contains a low noise, wide bandwidth track-and-hold amplifier that can handle i

3-Terminal Negative Output Voltage Regulators

[PROMAX-JOHNTON] 3-Terminal Negative Output Voltage Regulators These voltage regulators are intended as complements to the popular PJ7900 Series devices. These negative regulators are available in the same seven-voltage options as the PJ7900 devices. In addition, one extra voltage option commonl

3-Terminal Negative Output Voltage Regulators

[PROMAX-JOHNTON] 3-Terminal Negative Output Voltage Regulators These voltage regulators are intended as complements to the popular PJ7900 Series devices. These negative regulators are available in the same seven-voltage options as the PJ7900 devices. In addition, one extra voltage option commonl

SONET/SDH 2.5Gb/s Laser Diode Driver

General Description The VSC7923 is a single 5V supply, 2.4 Gb/s laser diode driver with direct access to the laser modulation and bias FET’s. Laser bias and modulation currents are set by external components allowing precision monitoring and setting of the current levels. Data inputs accept ECL l

SONET/SDH 2.5Gb/s Laser Diode Driver

General Description The VSC7923 is a single 5V supply, 2.4 Gb/s laser diode driver with direct access to the laser modulation and bias FET’s. Laser bias and modulation currents are set by external components allowing precision monitoring and setting of the current levels. Data inputs accept ECL l