Microchip Technology

MCP3221A4T-E/OT

Data Converters (ADC/DAC)

MPN
MCP3221A4T-E/OT
Maximum Clock Speed
0Hz~400kHz
Package / Case
SOT-23-5
Key Attributes
Low-Power 12-Bit A/D Converter with I²C Interface

Technical Specifications

TypeDescription
Quiescent Current (Iq)5nA
Integral Non - Linearity2LSB
Voltage ReferenceBuilt-in
Clock/OscillatorBuilt-in
Resolution(Bits)22.3kHz;12
S/N Ratio-
DNL (LSB)0.5LSB
ADC ArchitectureSAR
TypeDescription
Programmable GainNot supported
Operating Temperature-40°C~+125°C
InterfaceI2C;Serial port
Supply Voltage2.7V~5.5V
Channels1
Maximum Clock Speed0Hz~400kHz
Features-
Package / CaseSOT-23-5

Product Introduction

A successive approximation A/D converter (ADC) with a 12-bit resolution. Available in the SOT-23 package, this device provides one single-ended input with very low-power consumption. It provides a low maximum conversion current and standby current of 250 μA and 1 μA, respectively. Low-current consumption, combined with the small SOT-23 package, make this device ideal for battery-powered and remote data acquisition applications.

Communication to the device is performed using a 2-wire, I²C compatible interface. Standard (100 kHz) and Fast (400 kHz) I²C modes are available with the device. An on-chip conversion clock enables independent timing for the I²C and conversion clocks. The device is also addressable, allowing up to eight devices on a single 2-wire bus.

The device runs on a single-supply voltage that operates over a broad range of 2.7V to 5.5V. This device also provides excellent linearity of ±1 LSB differential nonlinearity (DNL) and ±2 LSB integral nonlinearity (INL), maximum.

Features

  • 12-bit Resolution
  • ±1 LSB DNL, ±2 LSB INL maximum
  • 250 μA Max Conversion Current
  • 5 nA Typical Standby Current, 1 μA maximum
  • I²C Compatible Serial Interface - 100 kHz I²C Standard mode - 400 kHz I²C Fast mode
  • Up to 8 Devices on a Single 2-wire Bus
  • 22.3 ksps in I²C Fast mode
  • Single-Ended Analog Input Channel
  • On-Chip Sample and Hold
  • On-Chip Conversion Clock
  • Single-Supply Specified Operation: 2.7V to 5.5V
  • Temperature Range: Extended: -40°C to +125°C
  • Small SOT-23-5 package

Applications

  • Data Logging
  • Multi-Zone Monitoring
  • Handheld Portable Applications
  • Battery-Powered Test Equipment
  • Remote or Isolated Data Acquisition

Datasheet

📄 Open Download

Alternative Parts

Common MCP3221A4T-E/OT alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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