MAX11206

20-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADCs with Programmable Gain and GPIO

Experience the Industry's Highest ENOB ADCs at < 1mW


Please check latest availability status for a specific part variant.

Description

The MAX11206/MAX11207 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 MAX11206 includes digital programmable gain of 1 to 128.

The MAX11206/MAX11207 operate over the -40°C to +85°C temperature range, and are available in a 16-pin QSOP package.

MAX11206, MAX11207:Functional Diagram MAX11206, MAX11207: Functional Diagram Enlarge+

Key Features

  • 20-Bit Noise-Free Resolution
  • 570nVRMS Noise at 10sps, ±3.6VFS Input
  • 3ppm 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 to 128) (MAX11206)
  • 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
  • > 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

Applications/Uses

  • Battery Applications
  • Portable Instrumentation
  • Sensor Measurement (Temperature and Pressure)
  • Weigh Scales
Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputExternal VREF
(V)
External VREF
(V)
Unipolar VIN
(V)
Bipolar VIN
(±V)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxminmaxmaxmaxSee Notes
MAX11206 2010.48Sigma-DeltaSPIBoth03.63.63.610
QSOP/16
$2.21 @1k
MAX11207 
QSOP/16
$1.95 @1k
See All Precision ADCs (< 5Msps) (464)
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.


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

CAD Symbols and Footprints

  • MAX11206EEE+
  • MAX11206EEE+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    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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