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MCP3909 Datasheet PDF

Part Series:
MCP3909 Series
Category:
Voltage Regulators
Description:
MICROCHIP MCP3909-I/SS IC, ENERGY METER, 16Bit, 14kHz, SSOP-24
Updated Time: 2023/01/13 02:27:28 (UTC + 8)

MCP3909 Datasheet PDF Voltage Regulators

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MCP3909-I/SS - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
24 Pin
Supply Voltage (DC)
4.50V (min)
Case/Package
SSOP-24
Supply Current
2.3 mA
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MCP3909-I/SS - Microchip Function Overview

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
ESD sensitive device, take proper precaution while handling the device.
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