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AD7994/AD7993: Errata Sheet (Rev. A)10/1/2004PDF52 kB
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AD7993/AD7994: 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP Data Sheet (Rev. 0)10/1/2004PDF1073 kB
Overview
Features and Benefits
- 10-Bit ADC with Fast Conversion Time: 2 µs
- Four Single-Ended Analog Input Channels
- Specified for VDD of 2.7 V to 5.5 V
- Low Power Consumption
- Fast Throughput Rate: 188 kSPS
- Sequencer Operation
- Automatic Cycle Mode
- I2C® Compatible Serial Interface
- I2C® Interface supports:
Standard, Fast, and High-Speed Modes - Out of Range Indicator
- Pin-Selectable Addressing via AS
- Automatic Shutdown Mode: 1 µA max
Product Details
The AD7993 is a 4 channel, 10-bit, high speed, low power, successive-approximation ADC respectively. The part operates from a single 2.7 V to 5.5 V power supply and features a conversion time of 2 µs. The part contains a four channel multiplexer and track/hold amplifier.
The AD7993 provides a two-wire serial interface which is compatible with I2C interfaces. The part comes in two versions, AD7993-0 and AD7993-1. Each version allows for a minimum of two different I2C addresses. The I2C interface on the AD7993-0 supports Standard and Fast I2C Interface Modes. The I2C interface on the AD7993-1 supports Standard, Fast and two High-Speed I2C Interface Modes.
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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AN-931: Understanding PulSAR ADC Support Circuitry (Rev. 0)2/14/2015PDF299 kB
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AN-686: Implementing an I2C® Reset (Rev. 0)12/16/2003PDF44 kB
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8- to 18-Bit SAR ADCs ... From the Leader in High Performance Analog3/8/2008PDF1885 kB
Software & Systems Requirements
Evaluation Software
Device Drivers
Product Recommendations
AD7993 Companion Parts
Recommended External References - 2.5V
- For wide supply applications: AD780, ADR03, AD780.
- For the reference buffer amplifier: AD8605, AD8605.
- For applications requiring best accuracy, low noise, low drift: ADR421, AD780, AD780.
- For low noise, high output current applications: ADR431.
- For applications requiring 2.048V to 4.096V: REF191.
- For cost sensitive applications: AD1582, ADR381, ADR391.
Recommended Input Buffer Amplifiers
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
Sample & Buy
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Sampling:
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.