Overview
The AD9200KST is a monolithic, single-supply, 10-bit, 20 MSPS analog-to-digital converter (ADC) produced by Analog Devices Inc. This device features an on-chip sample-and-hold amplifier and voltage reference, making it highly versatile for various applications. The AD9200KST uses a multistage differential pipeline architecture, ensuring no missing codes over the full operating temperature range. It is designed to facilitate the development of both imaging and communications systems, allowing users to select various input ranges and offsets and drive the input either single-ended or differentially.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10-bit |
| Sampling Rate | 20 MSPS |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Power Dissipation (3 V Supply) | 80 mW |
| Power Dissipation (Sleep Mode) | < 5 mW |
| Differential Nonlinearity | 0.5 LSB |
| Operating Temperature Range | Industrial: -40°C to +85°C, Commercial: 0°C to +70°C |
| Package Options | 28-lead SSOP, 48-lead LQFP |
Key Features
- Low Power Consumption: The AD9200KST consumes 80 mW on a 3 V supply and reduces to below 5 mW in sleep mode.
- Compact Packaging: Available in both 28-lead SSOP and 48-lead LQFP packages.
- Pin Compatibility with AD876: Allows 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 models.
- Programmable Reference: Onboard programmable reference with the option to use an external reference for better dc accuracy and temperature drift requirements.
Applications
The AD9200KST is suited for a variety of applications, including:
- Imaging Systems: The device’s ability to handle various input ranges and offsets makes it ideal for imaging applications.
- Communications Systems: The AD9200KST’s high-speed sampling and excellent dynamic performance make it suitable for communications systems.
- Portable Applications: Its low power consumption and compact packaging make it ideal for high-speed portable applications.
Q & A
- What is the resolution of the AD9200KST?
The AD9200KST has a 10-bit resolution.
- What is the maximum sampling rate of the AD9200KST?
The maximum sampling rate is 20 MSPS.
- What is the supply voltage range for the AD9200KST?
The supply voltage range is from 2.7 V to 5.5 V.
- How much power does the AD9200KST consume on a 3 V supply?
The AD9200KST consumes 80 mW on a 3 V supply.
- What is the power consumption in sleep mode?
In sleep mode, the power consumption is reduced to below 5 mW.
- What is the differential nonlinearity of the AD9200KST?
The differential nonlinearity is 0.5 LSB.
- What are the operating temperature ranges for the AD9200KST?
The operating temperature ranges are industrial (-40°C to +85°C) and commercial (0°C to +70°C).
- Is the AD9200KST pin compatible with any other models?
Yes, it is pin compatible with the AD876.
- What is the purpose of the built-in clamp function in the AD9200KST?
The built-in clamp function allows dc restoration of video signals.
- Can the AD9200KST use an external reference?
Yes, the AD9200KST can use an external reference to suit the dc accuracy and temperature drift requirements of the application.
