MAX11216

24-Bit, 10mW, 140dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA

Low-Power, Low-Noise ADC Ideal for Seismic Data Acquisition

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Overview

Features and Benefits
Product Details

Features and Benefits

High Resolution for Instrumentation Applications that Require a Wide Dynamic Range
- 138dB SNR at 15.6sps
- 127dB SNR at 500sps
- 21-Bit Noise-Free Resolution at 50sps
- 19-Bit Noise-Free Resolution at 1ksps
Longer Battery Life for Portable Applications
- 2.4mA Operating Mode Current from AVDD
- 4.4mA PGA Low-Noise Mode Current from AVDD
- 1µA Sleep Current
High Accuracy for DC Measurements
- 1ppm INL (typ), 4ppm (max)
Single or Split Analog Supplies Provide Input Voltage Range Flexibility
- 2.7V to 3.6V (Single Supply) or ±1.8V (Split Supplies)
Flexible High-Performance Filter Architecture Simplifies Design
- Programmable SINC + FIR + IIR
- Linear or Minimum Phase Response
- Programmable Highpass Filter
- Selectable FIR Data Rates: 125sps to 16ksps
Enables System Integration
- Low-Noise PGA with Gains of 1, 2, 4, 8, 16, 32, 64, 128
- Signal Buffer Optional
- 3 General-Purpose I/Os
Enables Integrated Part and System Calibration Capability for Gain and Offset
Robust 24-Pin TSSOP Packaging

Product Details

The MAX11216 is a 24-bit delta-sigma ADC that achieves excellent 140dB SNR while dissipating low 10mW. Sample rates up to 64ksps allow both precision DC and AC measurements. Integral nonlinearity is guaranteed to 4ppm maximum. The THD is -122dB. The MAX11216 communicates via an SPI-compatible serial interface and is available in a small 24-pin TSSOP package.

The MAX11216 offers a 6.5nV/ noise programmable gain amplifier with gain settings between 1x to 128x. Optional buffers are also included to provide isolation of the signal inputs from the switched capacitor sampling network. This allows the MAX11216 to be used with high-impedance sources without compromising available dynamic range.

The MAX11216 operates from a single 2.7V to 3.6V analog supply, or split ±1.8V analog supplies, allowing the analog input to be sampled below ground. The digital supply range is 2.0V to 3.6V, allowing communication with 2.5V, 3V, or 3.3V logic.

Applications

ATE
High-Precision Portable Sensors
Medical Equipment
Scientific Instrumentation
Seismic Data Acquisition

Product Categories

A/D Converters (ADC)
- Single Channel A/D Converters

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Product Lifecycle Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (2)

MAX11216EVKIT

Evaluation Kits for the MAX11214/MAX11216

MAX11214EVKIT

Evaluation Kits for the MAX11214/MAX11216

MAX11216EVKIT

View Detailed Evaluation Kit Information

The evaluation kit (EV kit) demonstrates the MAX1121X family of 24-bit, 64ksps delta-sigma ADCs with integrated PGA. The EV kit includes a graphical user interface (GUI) that provides communication from the target device to the PC. The EV kit can operate in multiple modes:

Standalone Mode: In “Standalone” mode, the EV kit is connected to the PC through a USB cable and performs a subset of the complete EV kit functions with limitation for sample rate and size.
FPGA Mode: In “FPGA” mode, the EV kit is connected to an Avnet ZedBoard^™ through a low-pin-count FMC connector. ZedBoard features a Xilinx^® Zynq^®-7000 SoC that connects to the PC through an Ethernet port, which allows the GUI to perform different operations with full control over mezzanine card functions. The EV kit with FPGA platform performs the complete suite of evaluation tests for the target IC
User-Supplied SPI Mode: In addition to the USB and FMC interfaces, the EV kit provides two 12-pin PMOD-style headers for user-supplied SPI interface, to connect the signals for RDYB, SCLK, DIN, DOUT, and CSB.

The EV kit includes Windows XP^®-, Windows^® 7 and Windows 8.1-compatible software to exercise the features of the IC. The EV kit GUI allows different sample sizes, adjustable sampling rates, on-board or external reference options, and graphing software that includes the FFT and histogram of the sampled signals with the ability to save plots in .jpg or .csv formats.

The ZedBoard board accepts a +12V AC-DC wall adapter. The EV kit can be powered by the ZedBoard or by a local 12V supply. The EV kit has on-board transformers and digital isolators to separate the IC from the ZedBoard/on-board processor.

The MAX11214 EV kit comes installed with a MAX11214EUG+ in a 24-pin TSSOP package and the MAX11216 EV kit comes installed with a MAX11216EUG+ in a 24-pin TSSOP package.

Applications

ATE
High-Precision Portable Sensors
Medical Equipment
Scientific Instrumentation
Seismic Data Acquisition

Features & Benefits

High-Speed USB, FMC Connector, and PMOD Connector
5MHz SPI Interface
Various Sample Sizes and Sample Rates
Collects Up to 1 Million Samples (with FPGA Platform)
Time Domain, Frequency Domain, and Histogram Plotting
Save Plots as jpg, bmp or csv
Sync In and Sync Out for Coherent Sampling (with FPGA Platform)
On-Board DAC (MAX542) for DC Signal-Level Generation
On-Board Voltage Reference (MAX6126)
Proven PCB Layout
Fully Assembled and Tested
Windows XP-, Windows 7-, and Windows 8.1-Compatible Software
Savable ADC Configurations

Resources

MAX11216EVKIT Gerber Files

ZIP

4.44M

MAX11214EVKIT

View Detailed Evaluation Kit Information

Standalone Mode: In “Standalone” mode, the EV kit is connected to the PC through a USB cable and performs a subset of the complete EV kit functions with limitation for sample rate and size.
FPGA Mode: In “FPGA” mode, the EV kit is connected to an Avnet ZedBoard^™ through a low-pin-count FMC connector. ZedBoard features a Xilinx^® Zynq^®-7000 SoC that connects to the PC through an Ethernet port, which allows the GUI to perform different operations with full control over mezzanine card functions. The EV kit with FPGA platform performs the complete suite of evaluation tests for the target IC
User-Supplied SPI Mode: In addition to the USB and FMC interfaces, the EV kit provides two 12-pin PMOD-style headers for user-supplied SPI interface, to connect the signals for RDYB, SCLK, DIN, DOUT, and CSB.

The MAX11214 EV kit comes installed with a MAX11214EUG+ in a 24-pin TSSOP package and the MAX11216 EV kit comes installed with a MAX11216EUG+ in a 24-pin TSSOP package.

Applications

ATE
High-Precision Portable Sensors
Medical Equipment
Scientific Instrumentation
Seismic Data Acquisition

Features & Benefits

High-Speed USB, FMC Connector, and PMOD Connector
5MHz SPI Interface
Various Sample Sizes and Sample Rates
Collects Up to 1 Million Samples (with FPGA Platform)
Time Domain, Frequency Domain, and Histogram Plotting
Save Plots as jpg, bmp or csv
Sync In and Sync Out for Coherent Sampling (with FPGA Platform)
On-Board DAC (MAX542) for DC Signal-Level Generation
On-Board Voltage Reference (MAX6126)
Proven PCB Layout
Fully Assembled and Tested
Windows XP-, Windows 7-, and Windows 8.1-Compatible Software
Savable ADC Configurations

Resources

MAX11214EVKIT Gerber Files

ZIP

4.44M

Documentation & Resources

Data Sheets

MAX11216: 24-Bit, 10mW, 140dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA Data Sheet (Rev. 1)
10/18/2018
PDF

Reliability Data

MAX11216 Reliability Data
1/12/2023
PDF

Technical Articles

How to Calculate ENOB for ADC Dynamic Performance Measurement
6/24/2019
A Simple ADC Comparison Matrix
6/27/2003

Tools & Simulations

IBIS Models

IBS

273.82K

MAX11216 IBIS Model

Software Development

MAX11214_16 24-bit ADC EV kit Software, 1.1.0

ZIP

MAX11214/MAX11216 EV Kit Firmware Code, 1.1.0

ZIP

Product Recommendations

MAX11216 Companion Parts

Recommended Related Parts

MAX11214.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number	Material Declaration	Reliability Data	Pin/Package Drawing	CAD Symbols, Footprints & 3D Models
MAX11216EUG+	Material Declaration	Reliability Data	Thin Shrink Small-Outline Package	Ultra Librarian SamacSys
MAX11216EUG+T	Material Declaration	Reliability Data	Thin Shrink Small-Outline Package	Ultra Librarian SamacSys
Wafer Fabrication Data		MAX11216 Reliability Data

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Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.