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MAX11200, MAX11210

24-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADCs with GPIO

24-Bit ADC Offers Industry-Leading, Noise-Free Resolution Per Unit Power
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Active: In Production.


The MAX11200/MAX11210 are ultra-low-power (< 300µA active current), high-resolution, serial output ADCs. These devices provide the highest resolution per unit power in the industry, and are optimized for applications that require very high dynamic range with low power, such as sensors on a 4mA to 20mA industrial control loop. Optional input buffers provide isolation of the signal inputs from the switched capacitor sampling network allowing these converters to be used with high-impedance sources without compromising available dynamic range or linearity. The devices provide a high-accuracy internal oscillator that requires no external components. When used with the specified data rates, the internal digital filter provides more than 100dB rejection of 50Hz or 60Hz line noise. The devices are configurable using the SPI interface and include four GPIOs that can be used for external mux control. The MAX11210 includes digital programmable gain of 1, 2, 4, 8, or 16.
The MAX11200/MAX11210 operate over the -40°C to +85°C temperature range, and are available in a 16-pin QSOP package.
Using the MAX11200 family of ADCs and the MAX1403 ADC in platinum resistance temperature detectors (PRTD) applications.

Data Sheet

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An evaluation board is available: MAX11200EVKIT, MAX11206EVKIT, MAX11209EVKIT, MAX11210EVKIT, MAX11213EVKIT MAXREFDES15

Key Features

  • 24.0-Bit ENOB at 5sps
    • 20.9-Bit Noise-Free Resolution at 10sps
    • 19-Bit Noise-Free Resolution at 120sps
  • 570nVRMS Noise at 10sps, ±3.6VFS Input
  • 1ppm INL (typ), 10ppm (max)
  • No Missing Codes
  • Ultra-Low Power Dissipation
    • Operating-Mode Current Drain < 300µA (max)
    • Sleep-Mode Current Drain < 0.4µA
  • Programmable Gain (1, 2, 4, 8, or 16) (MAX11210)
  • Four SPI-Controlled GPIOs for External Mux Control
  • 2.7V to 3.6V Analog Supply Voltage Range
  • 1.7V to 3.6V Digital and I/O Supply Voltage Range
  • Fully Differential Signal and Reference Inputs
  • High-Impedance Inputs
    • Optional Input Buffers on Both Signal and Reference Inputs
  • Programmable Internal Clock or External Clock Mode
  • > 100dB (min) 50Hz/60Hz Rejection
  • SPI-, QSPI™-, MICROWIRE®-Compatible Serial Interface
  • On-Demand Offset and Gain Self-Calibration and System Calibration
  • User-Programmable Offset and Gain Registers
  • -40°C to +85°C Operating Temperature Range
  • ±2kV ESD Protection
  • Lead(Pb)-Free and RoHS-Compliant QSOP Package


  • Battery Applications
  • Portable Instrumentation
  • Sensor Measurement (Temperature and Pressure)
  • Weigh Scales

Key Specifications:

Precision ADCs (< 5Msps)
Part Number Resolution
Input Chan. Conv. Rate
ADC Architecture Data Bus Diff/S.E. Input External VREF
External VREF
Unipolar VIN
Bipolar VIN
ADC max min max max max See Notes
MAX11200  24 1 0.48 Sigma-Delta SPI Both 0 3.6 3.6 3.6 $2.72 @1k
MAX11210  $3.01 @1k
See All Precision ADCs (< 5Msps) (455)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX11200, MAX11210: Functional Diagram
Functional Diagram

More Information

New Product Press Release   2010-10-07 ]

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Information Index

Document Ref.: 19-5332 Rev 1; 2012-11-29
This page last modified: 2012-12-05