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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

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.

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

MAX11203, MAX11213: Functional Diagram Applications/Uses Battery Applications Portable Instrumentation Sensor Measurement (Temperature and Pressure) Weigh Scales

DataSheet

Parametrics

Design kits & evaluation modules

• MAX11200EVKIT
• MAX11206EVKIT
• MAX11209EVKIT
• MAX11210EVKIT
• MAX11213EVKIT
• MAXADC-RTD

Quality and Environmental Data

• MAX11203.pdf

Related Products

• MAX1358B：16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor
• MAX1359B：16-Bit, Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor
• MAX11203：16-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADC with Programmable Gain and GPIO
• MAX11205：16-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADC with 2-Wire Serial Interface

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