AD664TD-UNI/883B

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The AD664TD-UNI/883B is a monolithic, high-performance, 8-bit digital-to-analog converter (DAC). The DAC is designed for use in applications such as digital real-time data acquisition systems, instrumentation and telemetry systems, temperature control, and high-speed precision current sources. The AD664TD-UNI/883B provides high speed, accuracy, low harmonic distortion and simplicity of wiring, making it an ideal choice for these applications.

The technology behind the AD664TD-UNI/883B enables it to achieve high settling times and good linearity performance. It has a sampling rate of 1MHz and a maximum conversion rate of 5MHz, making it suitable for use in high-speed data acquisition systems. The device also provides fast transient response, which helps to reduce system clock jitter and render the device ideal for use in applications that require high-speed, accurate data conversion.

The AD664TD-UNI/883B offers two separate analog output ranges, ±10V or 0 to +10V. This provides great flexibility to the system designer in selecting the best range for their application. The output stage is composed of a thermometer coded switched capacitor architecture that allows for excellent linearity, fast settling times, and low harmonic distortion. The maximum output current range is 0 to 22.5mA and it is also capable of providing ±2.5mA at both ends of the range.

The AD664TD-UNI/883B offers a high degree of accuracy, with 8-bit monotonic resolution and a typical accuracy of 0.3%. The accuracy is highly temperature stable, with a temperature coefficient of ±15ppm/ºC, and is fully specified over the industrial temperature range of -40 to +85°C. It is also capable of settling within 2μS typically and 3μS maximum.

The AD664TD-UNI/883B provides an integrated power-on reset facility that enables the system designer to automate a safe startup procedure. The device also features power-on clear and power-down clear outputs that can be used to reset or clear dependent logic or devices. Additionally, the AD664TD-UNI/883B features a host of features aimed at helping to reduce system costs, including a shutdown/stand-by (S/S) pin that reduces current consumption.

The AD664TD-UNI/883B makes use of a low-noise, low-distortion differential reference that allows for improved accuracy and stability in high-performance applications. The reference is monitored and regulated with a control loop that corrects for reference voltage wander, ensuring consistent performance over temperature extremes. The device also integrates an on-chip offset adjustment trim, which helps to improve accuracy and eliminate the need for additional calibration components.

The AD664TD-UNI/883B is designed to operate on a single +5V supply and utilizes the latest in CMOS technology to achieve low power consumption and high speeds. The device is also packaged in a standard 28-pin ceramic DIP and is pin compatible with existing 8-bit DACs in the industry, making it a perfect replacement for existing designs.

In summary, the AD664TD-UNI/883B is a high-performance, 8-bit digital to analog converter, perfect for applications that require a combination of high speed, accuracy, and low harmonic distortion. The device provides two separate analog output ranges, ±10V or 0 to +10V, and makes use of a low-noise, low-distortion differential reference and an on-chip offset adjustment trim. The device also integrates an integrated power-on reset, power-on clear, and power-down clear outputs, making it easy to integrate into existing designs and reducing system costs. The device is also packaged in a standard 28-pin ceramic DIP, and is pin-compatible with existing 8-bit DACs in the industry.

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