MAX11901

16-Bit, 1.6Msps, Low-Power, Fully Differential SAR ADC

Fast and Low-Power 16-Bit SAR ADC

概述

说明

The MAX11901 is a 16-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11901 provides excellent static and dynamic performance with best-in-class power consumption that directly scales with throughput. The device has a unipolar differential ±V_REF input range. Supplies include a 3.3V supply for the reference buffers, a 1.8V analog supply, a 1.8V digital supply, and a 1.5V to 3.6V digital interface supply.

This ADC achieves 95.2dB SNR and -115dB THD, guarantees 16-bit resolution with no-missing codes and 0.5 LSB INL (max).

The MAX11901 communicates data using a SPI-compatible serial interface. The MAX11901 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.

MAX11901: Application Diagram

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关键特性

High DC/AC Accuracy Provides Better Measurement Quality
- 16-Bit Resolution with No Missing Codes
- ±0.5 LSB INL and ±0.25 LSB DNL Maximum at 16 Bits
- 95.2dB SNR and 95.0dB SINAD at f_IN = 10kHz
- -115dB THD at f_IN = 10kHz
High Sampling Rate SAR Architecture Enables Fast Settling and Acquisition
- 1.6Msps Throughput with No Pipeline Delay
Integration Simplifies Design
- Integrated Reference Buffers, V_REF = 2.5V to 3.6V
- ±V_REF Unipolar Differential Analog Input Range
Scalable Ultra-Low Power Supply Reduces Power Consumption
- 9mW at 1.6Msps
Flexible Low-Voltage Supplies Save Cost
- 1.8V Analog and Digital Core Supply
- 1.5V to 3.6V Digital Interface Supply
- 3.3V REFVDD Reference Buffer Supply
Flexible, Industry-Standard Serial Interface and Small Package Reduce Size
- SPI-/QSPI^™-/MICROWIRE^®/DSP-Compatible
- 20-Pin, 4mm x 4mm, TQFN Package