MAX11629EEE+ 12-Bit SAR ADC: High-Performance Data Acquisition Solution by Analog Devices

The MAX11629EEE+ from Analog Devices Inc./Maxim Integrated is a premium 12-bit Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) engineered for precision data acquisition. This IC combines high-speed performance (300ksps), ultra-low power consumption, and a compact 16-QSOP package, making it a top choice for industrial, medical, and IoT applications.

In-Depth Technical Specifications

Unmatched Precision & Speed

• 12-bit resolution with 1 LSB INL ensures laboratory-grade accuracy
• 300ksps sampling rate enables real-time signal processing
• 0.5 LSB typical DNL for excellent linearity

Advanced Input Configuration

• 8 single-ended or 4 pseudo-differential input channels
• Programmable input range: 0V to VREF (2.048V internal reference available)
• 15kV ESD protection on all analog inputs

Smart Power Management

• 2.7V to 3.6V dual supply operation (analog/digital)
• Low power consumption: 1.3mA at 300ksps, 0.5 A in shutdown
• Auto-shutdown between conversions

Robust Communication Interface

• High-speed SPI/QSPI/MICROWIRE compatible interface (up to 20MHz)
• Daisy-chain capability for multi-ADC systems
• Built-in FIFO with 16-sample depth

Key Features Breakdown

Reference Voltage Options

The ADC offers flexible reference configurations: Internal: 2.048V 0.2% precision reference External: Accepts 1V to VDD references This dual-reference capability allows designers to optimize for either power savings (internal) or maximum accuracy (external).

Temperature Resilience

Operating across -40 C to +85 C, the MAX11629EEE+ maintains: 2 LSB maximum INL over temperature 1 LSB maximum DNL over temperature 72dB typical SINAD at 100kHz input

Comprehensive Applications

Industrial Systems

• PLC analog input modules
• Motor control current sensing
• Process instrumentation (4-20mA loops)

Medical Equipment

• Patient vital signs monitoring
• Portable diagnostic devices
• Infusion pump control systems

Consumer & IoT

• Smart home sensor hubs
• Wearable health monitors
• Battery-powered environmental sensors

Design Advantages

Layout Optimization

The 16-QSOP package features: Separate analog/digital ground pins Symmetrical power supply routing Guard ring compatibility for noise-sensitive applications

Evaluation Support

Analog Devices provides: MAX11629EVKIT+ evaluation kit Reference design schematics MATLAB/Python data analysis scripts

Competitive Comparison

Compared to similar 12-bit ADCs, the MAX11629EEE+ offers:

Feature	MAX11629EEE+	Typical Competitor
Power Consumption	3.9mW @ 300ksps	5.2mW
Package Size	16-QSOP (3.9mm)	16-TSSOP (5mm)
Internal Reference	2.048V 0.2%	2.5V 1%

Purchasing Information

The MAX11629EEE+ is available: Packaging: Tape & Reel (2500 units) Lead Time: Typically 6-8 weeks RoHS Compliance: Fully compliant For volume pricing and samples, contact Analog Devices authorized distributors.

Conclusion

The MAX11629EEE+ redefines 12-bit ADC performance with its exceptional combination of speed, accuracy, and power efficiency. Its flexible input configuration, robust interface options, and industrial-grade temperature range make it the ideal choice for demanding data acquisition applications across multiple industries.

Upgrade your system with MAX11629EEE+ today! Visit our authorized distributors for pricing and availability. Design engineers can access complete technical resources including reference designs, SPICE models, and application notes on the Analog Devices website.