Features and Benefits
- CMOS 10-Bit, 20 MSPS Sampling A/D Converter
- Pin-Compatible with AD876
- Power Dissipation: 80 mW (3 V Supply)
- Operation Between 2.7 V and 5.5 V Supply
- Differential Nonlinearity: 0.5 LSB
- Power-Down (Sleep) Mode
- Three-State Outputs
- See datasheet for additional features
The AD9200 is a monolithic, single supply, 10-bit, 20 MSPS analog-to-digital converter with an on-chip sample-and-hold amplifier and voltage reference. The AD9200 uses a multistage differential pipeline architecture at 20 MSPS data rates and guarantees no missing codes over the full operating temperature range.
The input of the AD9200 has been designed to ease the development of both imaging and communications systems. The user can select a variety of input ranges and offsets and can drive the input either single-ended or differentially.
The sample-and-hold (SHA) amplifier is equally suited for both multiplexed systems that switch full-scale voltage levels in successive channels and sampling single-channel inputs at frequencies up to and beyond the Nyquist rate. AC coupled input signals can be shifted to a predetermined level, with an onboard clamp circuit (AD9200ARS, AD9200KST). The dynamic performance is excellent.
The AD9200 has an onboard programmable reference. An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the application.
A single clock input is used to control all internal conversion cycles. The digital output data is presented in straight binary output format. An out-of-range signal (OTR) indicates an overflow condition which can be used with the most significant bit to determine low or high overflow.
The AD9200 can operate with supply range from 2.7 V to 5.5 V, ideally suiting it for low power operation in high speed portable applications.
The AD9200 is specified over the industrial (40°C to +85°C) and commercial (0°C to +70°C) temperature ranges.
- Low Power
The AD9200 consumes 80 mW on a 3 V supply (excluding the reference power). In sleep mode, power is reduced to below 5 mW.
- Very Small Package
The AD9200 is available in both a 28-lead SSOP and 48-lead LQFP packages.
- Pin Compatible with AD876
The AD9200 is pin compatible with the AD876, allowing older designs to migrate to lower supply voltages.
- 300 MHz On-Board Sample-and-Hold
The versatile SHA input can be configured for either single-ended or differential inputs.
- Out-of-Range Indicator
The OTR output bit indicates when the input signal is beyond the AD9200’s input range.
- Built-In Clamp Function
Allows dc restoration of video signals with AD9200ARS and AD9200KST.
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.
Application Notes (11)
Tools & Simulations
For designers who are selecting or evaluating high speed ADCs, VisualAnalog™ is a software package that combines a powerful set of simulation and data analysis tools with a user-friendly graphical interface.
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.
Sample & Buy
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