MAX11154

PRODUCTION

18-Bit, 500ksps, 0 to 5V SAR ADC with Internal Reference in TDFN

Industry's Smallest, 18-Bit SAR ADC with Internal Reference

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • High DC/AC Accuracy Improves Measurement Quality
    • 18-Bit Resolution with No Missing Codes
    • 500ksps Throughput Rates without Pipeline Delay/Latency
    • 93.8dB SNR and -105dB THD at 10kHz
    • 1.7 LSBRMS Transition Noise
    • ±0.6 LSB DNL (typ) and ±2 LSB INL (typ)
  • Highly Integrated ADC Saves Cost and Space
    • ±7ppm/°C Internal Reference
    • Internal Reference Buffer
  • Wide Supply Range and Low Power Simplify Power-Supply Design
    • 5V Analog Supply
    • 2.3V to 5V Digital Supply
    • 23.6mW Power Consumption with External Reference at 500ksps
    • 10µA in Shutdown Mode
  • Multi-Industry Standard Serial Interface and Small Package Reduce Size
    • SPI/QSPI™/MICROWIRE®/DSP-Compatible Serial Interface
    • 3mm x 3mm Tiny 12-Pin TDFN Package

The MAX11154 18-bit, 500ksps, SAR ADC offers excellent AC and DC performance with unipolar input range, small size, and internal reference. The MAX11154 integrates an optional internal reference and buffer, saving additional cost and space.

This ADC typically achieves 93.8dB SNR and -105.8dB THD. The device guarantees 18-bit no-missing codes and ±2 LSB INL (typ).

The MAX11154 communicates using an SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic. The serial interface can be used to daisy-chain multiple ADCs for multichannel applications and provides a busy indicator option for simplified system synchronization and timing.

The MAX11154 is offered in a 12-pin, 3mm x 3mm, TDFN package and is specified over the -40°C to +85°C temperature range. 

Applications

  • Automatic Test Equipment
  • Data Acquisition Systems
  • Industrial Control Systems/Process Control
  • Medical Instrumentation
MAX11154
18-Bit, 500ksps, 0 to 5V SAR ADC with Internal Reference in TDFN
MAX11154: Typical Operating Circuit
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Documentation

Data Sheet 1

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Software Resources

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Tools & Simulations

Software Development 1

IBIS Model 1

Reference Designs

MAXREFDES74
MAXREFDES74
MAXREFDES74 Circuits from the lab

MAXREFDES74: 18-Bit Precision Data Acquisition System

View Detailed Reference Design

Features and Benefits

The MAXREFDES74# reference design features:

  • Power and data isolation
  • Flexible, configurable inverting or noninverting input scheme
  • Unipolar or bipolar input (ADC) and output (DAC)

MAX11156

  • 18-bit resolution with no missing codes
  • SNR: 94.4dB
  • THD: -107dB at 1kHz
  • Buffered internal or external voltage reference input
  • Internal reference with -6ppm/°C (typ) temperature coefficient
  • Single 5V supply
  • True bipolar ±5V input range

MAX5318

  • 18-bit resolution with no missing codes
  • High accuracy: ±2 LSB INL (max)
  • 3µs settling time
  • User-programmable offset and gain calibration
  • ±0.5ppm/°C (typ) offset and gain drift over temperature
  • Force/sense output
  • 50MHz SPI-compatible interface with 1.8V to 5.5V logic
MAXREFDES74
MAXREFDES74: 18-Bit Precision Data Acquisition System
MAXREFDES74

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