MAX11203

16-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADC with Programmable Gain and GPIO

Pin-Compatible Version of the 24-/20-/18-Bit Family


Please check latest availability status for a specific part variant.

Description

The MAX11203/MAX11213 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 are available in a 16-pin QSOP package.

MAX11203, MAX11213: Functional Diagram MAX11203, MAX11213: Functional Diagram Enlarge+

Key Features

  • Minimize Power Consumption with Ultra-Low Power Dissipation
    • Operating-Mode Current Drain < 300µA (max)
    • Sleep-Mode Current Drain < 0.4µA
  • Improve Measurement Quality with Excellent DC/AC Accuracy
    • 16-Bit Noise-Free Resolution and No Missing Codes
    • 570nVRMS Noise at 10sps, ±3.6VFS Input
    • 3ppm INL (typ), 20ppm (max)
  • Lower System Cost with Integrated Functionality
    • Programmable Gain (1 to 128) (MAX11213)
    • Four SPI-Controlled GPIOs for External Mux Control
    • Optional Input Buffers on Both Signal and Reference Inputs
    • > 100dB (min) 50Hz/60Hz Rejection
  • Increase System Accuracy with Built-in Self Calibration
    • On-Demand Offset and Gain Self-Calibration and System Calibration
    • User-Programmable Offset and Gain Registers
  • Increase System Robustness and Reliability with ±2kV ESD Protection
    • 2.7V to 3.6V Analog Supply Range
    • 1.7V to 3.6V Digital and I/O Supply Range
    • -40°C to 85°C Operating Temperature Range

Applications/Uses

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

MAX11200EVKIT: Evaluation Kits for the MAX11200, MAX11206, MAX11209, MAX11210, and MAX11213
MAX11206EVKIT: Evaluation Kits for the MAX11200, MAX11206, MAX11209, MAX11210, and MAX11213
MAX11209EVKIT: Evaluation Kits for the MAX11200, MAX11206, MAX11209, MAX11210, and MAX11213
MAX11210EVKIT: Evaluation Kits for the MAX11200, MAX11206, MAX11209, MAX11210, and MAX11213
MAX11213EVKIT: Evaluation Kits for the MAX11200, MAX11206, MAX11209, MAX11210, and MAX11213
Product Reliability Reports: MAX11203.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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