MAX14661
Beyond-the-Rails 16:2 Multiplexer
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Multiplex ±5.5V Common-Mode Signal From a Single Supply Rail as Low as 1.6V
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Features
- Beyond-the-Rails Technology Reduces Cost and Complexity
- Switch ± 5.5V Signals from a +1.6V Single Supply
- Wide +1.6V to +5.5V Supply Range
- Low 5.5Ω RON (typ) Across the Supply Range
- Flexible Multiplexing Enables Design Reuse
- 16:2 Matrix Switch Multiplexer Connects Any Input Pin To Either Common Pin In Any Combination
- Each Switch is Independently Controlled via I2C or SPI
- Programmable Shadow Registers Allow Simultaneous Updating
- Low Distortion Switching Improves System Performance
- Total Harmonic Distortion + Noise 0.005% (typ)
- RON Flatness 2.5mΩ (typ) Across Complete Signal Range
- Integrated Protection for System Reliability
- ±10kV HBM ESD Protection on all AB_ and COM_Pins, Even When Powered Down
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The MAX14661 is a serially controlled, dual-channel analog multiplexer allowing any of the 16 pins to be connected to either common pin simultaneously in any combination. The device features Beyond-the-Rails™ capability so that ±5.5V signals can be passed with any single supply between +1.6V and +5.5V.
The serial control is selectable between I2C and SPI. Both modes provide individual control of each independent switch so that any combination of switches can be applied. I2C mode provides two address-select pins allowing for addressing up to four devices on a single bus. The SPI mode includes a DOUT pin that can be used to chain multiple devices together with a single select signal.
The IC is available in a 28-pin (4mm x 4mm) TQFN package and is specified over the -40ºC to +85ºC extended temperature range. The AB_ and COM_ pins provide ±10kV ESD protection (HBM).
Applications
- Audio Input Selection
- Data Acquisition
- I2C Signal Switching
- System Diagnostics
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MAX14661
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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 Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| MAX14661ETI+ |
Thin Quad Flatpack, No Leads
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| MAX14661ETI+T |
Thin Quad Flatpack, No Leads
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Thin Quad Flatpack, No Leads
- Documentation
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HTML
Material Declaration
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HTML
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- CAD Symbols, Footprints, and 3D Models
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Product Lifecycle
PCN
Oct 11, 2013
- 1345
ASSEMBLY
MAX14661ETI+
PRODUCTION
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Oct 11, 2013
- 1345
ASSEMBLY
Software & Part Ecosystem
Evaluation Kits 1
MAX14661PMB1
Evaluation Kit for the MAX14661
Product Detail
The MAX14661 PMB1 peripheral module provides a convenient way to evaluate the MAX14661 Beyond-the- Rails™ 16:2 multiplexer. All PCB signal traces are 50Ω controlled impedance to allow for easy impedancematching. The IC is capable of both I2C and SPI programming modes set by the SPI/I2C pin.
Refer to the MAX14661 IC data sheet for detailed information regarding the operation of the IC.
Applications
- Audio Input Selection
- Data Acquisition
- I2C Signal Switching
- System Diagnostics
Evaluation Kits1
Tools & Simulations 1
IBIS Model 1
IBIS Model
Reference Designs 1
MAXREFDES72
Pmod Adapter for Arduino Platform
Features and Benefits
Features
- Arduino® UNO R3 compatible
- IOREF support for 3.3V or 5V signal levels
- 2x6 Digilent® Pmod™ compatible interface
- Supports Pmod types 1, 2, 3, and 4, I2C and nonstandard pinouts
- Level shifting between Pmod and Arduino pins
- Precision RTC with integrated MEMS resonator
Applications
- Prototyping
- Science fair projects
- Maker and hobbyist projects
- Science and electronics education
- Analog peripheral testing and integration
