Overview
Features and Benefits
- Low Power Dissipation: 14mW
- 2.8Msps Conversion Rate
- 3V Single Supply Operation
- –40°C to 125°C Guaranteed Operation
- 2.5V Internal Bandgap Reference can be Overdriven
- 3-Wire Serial Interface
- Sleep (10µW) Shutdown Mode
- Nap (3mW) Shutdown Mode
- 80dB Common Mode Rejection
- 0V to 2.5V Unipolar Input Range
- Tiny 10-Lead MS Package
Product Details
The LTC1403/LTC1403A are 12-bit/14-bit, 2.8Msps serial ADCs with differential inputs. The devices draw only 4.7mA from a single 3V supply and come in a tiny 10-lead MS package. A Sleep shutdown feature lowers power consumption to 10µW. The combination of speed, low power and tiny package makes the LTC1403/LTC1403A suitable for high speed, portable applications.
The 80dB common mode rejection allows users to eliminate ground loops and common mode noise by measuring signals differentially from the source.
The devices convert 0V to 2.5V unipolar inputs differentially. The absolute voltage swing for +AIN and –AIN extends from ground to the supply voltage.
The serial interface sends out the conversion results during the 16 clock cycles following the rising edge of CONV for compatibility with standard serial interfaces. If two additional clock cycles for acquisition time are allowed after the data stream in between conversions, the full sampling rate of 2.8Msps can be achieved with a 50.4MHz clock.
Applications
- Automotive
- Communications
- Data Acquisition Systems
- Uninterrupted Power Supplies
- Multiphase Motor Control
- Multiplexed Data Acquisition
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.
Documentation & Resources
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R478 Reliability Data3/26/2018PDF53 K
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SAR ADC Drivers8/29/2016PDF276K
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SAR ADC Input Types6/2/2015PDF148K
Product Recommendations
LTC1403 Companion Parts
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.
PCN-PDN Information
Support & Discussions
Sample & Buy
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