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MCP3550

Microchip
Part Number MCP3550
Manufacturer Microchip
Description Single-Channel 22-Bit Delta-Sigma ADCs
Published Mar 25, 2014
Detailed Description MCP3550/1/3 Low-Power, Single-Channel 22-Bit Delta-Sigma ADCs Features • 22-bit ADC in Small 8-pin MSOP Package with Aut...
Datasheet PDF File MCP3550 PDF File

MCP3550
MCP3550

Overview
MCP3550/1/3 Low-Power, Single-Channel 22-Bit Delta-Sigma ADCs Features • 22-bit ADC in Small 8-pin MSOP Package with Automatic Internal Offset and Gain Calibration • Low-Output Noise of 2.
5 µVRMS with Effective Resolution of 21.
9 bits (MCP3550/1) • 3 µV Typical Offset Error • 2 ppm Typical Full Scale Error • 6 ppm Maximum INL Error • Total Unadjusted Error Less Than 10 ppm • No Digital Filter Settling Time, Single-Command Conversions through 3-wire SPI Interface • Ultra-Low Conversion Current (MCP3550/1): - 100 µA typical (VDD = 2.
7V) - 120 µA typical (VDD = 5.
0V) • Differential Input with VSS to VDD Common Mode Range • 2.
7V to 5.
5V Single-Supply Operation • Extended Temperature Range: - -40°C to +125°C Description The Microchip Technology Inc.
MCP3550/1/3 devices are 2.
7V to 5.
5V low-power, 22-bit Delta-Sigma Analog-to-Digital Converters (ADCs).
The devices offer output noise as low as 2.
5 µVRMS, with a total unadjusted error of 10 ppm.
The family exhibits 6 ppm Integral Non-Linearity (INL) error, 3 µV offset error and less than 2 ppm full scale error.
The MCP3550/1/3 devices provide high accuracy and low noise performance for applications where sensor measurements (such as pressure, temperature and humidity) are performed.
With the internal oscillator and high oversampling rate, minimal external components are required for high-accuracy applications.
This product line has fully differential analog inputs, making it compatible with a wide variety of sensor, industrial control or process control applications.
The MCP3550/1/3 devices operate from -40°C to +125°C and are available in the space-saving 8-pin MSOP and SOIC packages.
Applications • • • • • • Weigh Scales Direct Temperature Measurement 6-digit DVMs Instrumentation Data Acquisition Strain Gauge Measurement Package Types: MCP3550/1/3 MSOP, SOIC VREF 1 VIN+ 2 VIN– 3 VSS 4 VSS VDD 8 VDD 7 CS 6 SDO/RDY 5 SCK Block Diagram VREF VIN- Internal Oscillator © 2009 Microchip Technology Inc.
SINC 4 VIN+ Seria...


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