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Home > Newest Products > MCP331 Analog-to-Digital Converters

MCP331 Analog-to-Digital Converters

Microchip Technology

MCP331 Analog-to-Digital Converters

Microchip’s MCP331 devices feature full differential input, high performance, and low power consumption in a small package

Microchip’s MCP331x devices are single-ended 16-bit, 14-bit, and 12-bit, single-channel 1 Msps and 500 kSPS analog-to-digital converters (ADCs) featuring low power consumption and high performance, using a successive approximation register (SAR) architecture. The devices operate with a 2.5 V to 5.1 V external reference (VREF) which supports a wide range of input full-scale range from 0 V to VREF. The reference voltage setting is independent of the analog supply voltage (AVDD) and is higher than AVDD. The conversion output is available through an easy-to-use simple SPI compatible 3-wire interface. These devices have 1 M samples/second, one input channel, low power consumption (0.8 µA typical standby, 1.6 mA typical active), and are offered in a compact 10-pin MSOP package. The MCP331 ADCs feature a full differential input, high performance, and low power consumption in a small package. This rich feature set makes these products well-suited for battery-powered systems and remote data acquisition applications such as medical instrumentation, motor control, test equipment, and switch-mode power supplies.

Features
  • Sample rate (throughput):
    • MCP33131/21/11-10: 1 Msps
    • MCP33131/21/11-05: 500 kSPS
  • 16-bit/14-bit/12-bit resolution with no missing codes
  • No latency output
  • Wide operating voltage range:
    • Analog supply voltage (AVDD): 1.8 V
    • Digital input/output interface voltage (DVIO): 1.7 V to 5.5 V
    • External reference (VREF): 2.5 V to 5.1 V
  • Pseudo-differential input operation with single-ended configuration:
    • Input full-scale range: 0 V to +VREF
  • Package options: MSOP-10 and TDFN-10
  • Ultra-low current consumption (typical):
    • During input acquisition (standby): ~0.8 µA
    • During conversion:
      • MCP331x1-10: ~1.6 mA
      • MCP331x1-05: ~1.4 mA
  • SPI-compatible serial communication:
    • SCLK clock rate: up to 100 MHz
  • ADC self-calibration for offset, gain, and linearity errors:
    • During power-up (automatic)
    • On-demand via user’s command during normal operation
  • AEC-Q100 qualified:
    • Temperature grade 1: -40°C to +125°C
Applications
  • High-precision data acquisition
  • Medical instruments
  • Test equipment
  • Electric vehicle battery management systems
  • Motor control applications
  • Switch-mode power supply applications
  • Battery-powered equipment

MCP331 Analog-to-Digital Converters

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
12-BIT 500 KSPS SGL SGL-ENDED SAMCP33111-05-E/MN12-BIT 500 KSPS SGL SGL-ENDED SA720 - ImmediateView Details
12-BIT 500 KSPS SGL SGL-ENDED SAMCP33111-05-E/MS12-BIT 500 KSPS SGL SGL-ENDED SA840 - ImmediateView Details
12-BIT 500 KSPS SGL SGL-ENDED SAMCP33111-05T-E/MN12-BIT 500 KSPS SGL SGL-ENDED SA3300 - ImmediateView Details
12-BIT 500 KSPS SGL SGL-ENDED SAMCP33111-05T-E/MS12-BIT 500 KSPS SGL SGL-ENDED SA2473 - ImmediateView Details
12-BIT 1 MSPS SGL SGL-ENDED SARMCP33111-10-E/MN12-BIT 1 MSPS SGL SGL-ENDED SAR720 - ImmediateView Details