MAX11902
18-Bit, 1Msps, Low-Power, Fully Differential SAR ADC
Fast and Low-Power 18-Bit SAR ADC with Reference Buffer
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Overview
Features and Benefits
- High DC/AC Accuracy Provides Better Measurement Quality
- 18-Bit Resolution with No Missing Codes
- ±1.5 LSB INL and ±0.5 LSB DNL Maximum at 18 Bits
- 98.9dB SNR and 98.8dB SINAD at fIN = 10kHz
- -125dB SFDR and -123dB THD at fIN = 10kHz
- High Sampling Rate SAR Architecture Enables Fast Settling and Acquisition
- 1Msps Throughput with No Pipeline Delay
- Integration Simplifies Design
- Integrated Reference Buffers
- ±VREF Unipolar Differential Analog Input Range
- Scalable Ultra-Low Power Supply Reduces Power Consumption
- 6.7mW at 1Msps
- Scale as 6.7µW/ksps
- 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
Product Details
The MAX11902 is an 18-bit, 1Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11902 provides excellent static and dynamic performance with best-in-class power consumption that directly scales with throughput. The device has a unipolar differential ±VREF 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 98.9dB SNR and -123dB THD, guarantees 18-bit resolution with no-missing codes and 1.5 LSB INL (max).
The MAX11902 communicates data using a SPI-compatible serial interface. The MAX11902 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C* operating temperature range.
Applications
- Automatic Test Equipment
- Battery-Powered Equipment
- Data Acquisition Systems
- Medical Instrumentation
- Process Control and Industrial Automation
- Telecommunications
- Test and Measurement
Product Categories
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 (1)
Documentation & Resources
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MAX11902 Reliability Data1/12/2023
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 |
|---|---|---|---|---|
| MAX11902ETP+ | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX11902ETP+T | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| Wafer Fabrication Data | MAX11902 Reliability Data |
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