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MCP3909-I/SS
AEC-Q100, 能量计量芯片, 16位双模数转换器, 4.5 V至5.5 V, SSOP-24
产品范围选择器 (AEC-Q100)
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The MCP3909-I/SS is an Energy Metering IC with SPI interface, active power pulse output and high field reliability. It is designed to support the IEC 62053 international metering standard specification. It supplies a frequency output proportional to the average active real power with simultaneous serial access to ADC channels and multiplier output data. This output waveform data up to 14kHz with 16-bit ADC output and 20-bit multiplier output words. The 16-bit, delta-sigma ADC allows for a wide range of IB and IMAX currents or small shunt (<200µOhms) meter designs. A no-load threshold block prevents any current creep measurements for the active power pulse outputs. The integrated on-chip voltage reference has an ultra-low temperature drift of 15ppm/°C.
- Digital waveform data access through SPI interface
- Dual functionality pins support serial interface access
- Simultaneous active power pulse output
- Two 16-bit second order delta-sigma analogue-to-digital converters (ADCs) with multi-bit DAC
- 0.1% Typical active energy measurement error over 1000:1 dynamic range
- PGA for small signal input supports low value shunt current sensor
- Direct drive for electromagnetic mechanical counter and two-phase stepper motors
- Low IDD of 4mA (maximum)
- Tamper output pin for negative power indication
应用
计量, 工业, 车用
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