Microchip | MCP3551-E/SN

The MCP3551-E/SN is a single Channel 2.7 V 22-Bit Delta Sigma A/D Converter available in Surface Mount SOIC-8 Package.

It provides 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.

Features:

• 22-bit ADC with automatic internal offset and gain calibration
• Low output noise 2.5 µVrms
• 3 µV offset error
• 2 ppm typical full-scale error
• 6 ppm maximum INL error
• Total unadjusted error less than 10 ppm
• Sample rate 12.5 sps
• >120 dB rejection of 50 Hz noise
• No digital filter settling time, single command conversions through 3-wire SPI interface
• Low conversion current
• 100 µA typical (VDD = 2.7V)
• 120 µA typical (VDD = 5.0V)
• 8-pin MSOP and SOIC packages
• Differential inputs with VSS to VDD common mode range
• 2.7V to 5.5V single supply operation
• Extended temperature range: -40°C to +125°C

Applications:

• Weigh Scales
• Direct Temperature Measurement
• 6-digit DVMs
• Instrumentation
• Data Acquisition
• Strain Gauge Measurement