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AD7273/AD7274:3 MSPS, 10-/12-Bit ADCs in 8-Lead TSOT Data Sheet (Rev. 0)9/1/2005PDF1306 kB
Overview
Features and Benefits
- Fast Throughput Rate: 3 MSPS
- Specified for VDD of 2.35 V to 3.6 V
- Low Power: 13.5 mW at 3 MSPS with 3 V Supplies
- Wide Input Bandwidth: 70 dB SNR at 1 MHz Input Frequency
- Flexible Power/Serial Clock Speed Management
- No Pipeline Delays
- High Speed Serial Interface SPI®/QSPI™/MICROWIRE™/DSP Compatible
- Power Down Mode: 1 µA max
- 8-Lead TSOT Package
- 8-Lead MSOP Package
- 10-Bit Version: AD7273
Product Details
The AD7274 is a 12-bit, high speed, low power, successive-approximation ADC. The part operates from a single 2.35V to 3.6 V power supply and features throughput rates up to 3 MSPS. The part contains a low-noise, wide bandwidth track/hold amplifier which can handle input frequencies in excess of 30 MHz.
The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. The conversion rate is determined by the SCLK. There are no pipeline delays associated with the part.
The AD7274 uses advanced design techniques to achieve very low power dissipation at high throughput rates.
The reference for the part is applied externally and can be in the range of 1.2 V to VDD. This allows the widest dynamic input range to the ADC.
APPLICATIONS
- Battery-Powered Systems
Personal Digital Assistants
Medical Instruments
Mobile Communications - Instrumentation and Control Systems
- Data Acquisition Systems
- High-Speed Modems
- Optical Sensors
| Part # | Resolution (Bits) | Package Type | Price |
| AD7274 | 12 | 8-LEAD TSOT/MSOP | $6.50 |
| AD7276 | 12 | 6-LEAD TSOT/8-LEAD MSOP | $6.25 |
| AD7277 | 10 | 6-LEAD TSOT/8-LEAD MSOP | $3.60 |
| AD7273 | 10 | 8-LEAD TSOT/MSOP | $3.75 |
| AD7278 | 8 | 6-LEAD TSOT/8-LEAD MSOP | $1.85 |
Product Categories
Markets and Technologies
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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8- to 18-Bit SAR ADCs ... From the Leader in High Performance Analog3/8/2008PDF1885 kB
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
AD7274 Discussions
Sample & Buy
Ordering FAQs
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Buy Now Pricing
(**) Displayed Buy Now Price and Price Range is based on small quantity orders.
List Pricing
(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Sampling
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Evaluation Boards
Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
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.