AD2S1210CSTZ

Product Overview

Category: Integrated Circuit (IC)

Use: The AD2S1210CSTZ is a high-resolution, programmable sinusoidal-to-digital converter. It is primarily used in applications that require precise measurement of angular position and velocity.

Characteristics: - High resolution: The AD2S1210CSTZ offers a resolution of up to 14 bits, allowing for accurate measurement of small angular displacements. - Programmable features: This IC provides various programmable options such as excitation frequency, filter type, and output format, enabling customization based on specific application requirements. - Versatile interface: It supports both serial and parallel interfaces, providing flexibility in system integration. - Low power consumption: The AD2S1210CSTZ is designed to operate with low power consumption, making it suitable for battery-powered applications. - Robust packaging: It comes in a small surface-mount package, ensuring ease of integration into compact designs.

Package and Quantity: The AD2S1210CSTZ is available in a 48-lead LQFP (Low Profile Quad Flat Package) package. It is typically sold in reels of 250 units.

Specifications

• Resolution: Up to 14 bits
• Excitation Frequency Range: 1 kHz to 20 kHz
• Output Data Format: Binary or Gray code
• Supply Voltage: 3.3 V to 5 V
• Operating Temperature Range: -40°C to +105°C
• Total Harmonic Distortion: < 0.01%
• Conversion Time: 10 µs (typical)
• Analog Input Range: ±5 V

Pin Configuration

The AD2S1210CSTZ has a total of 48 pins. Here is a brief overview of the pin functions:

• VDD: Power supply voltage
• VREF: Reference voltage input
• AGND: Analog ground
• DGND: Digital ground
• CLKIN: Clock input
• FS/SS: Frame sync or slave select input
• SCLK: Serial clock input
• SDATA: Serial data input/output
• RDY: Ready output indicating conversion completion
• REFOUT: Reference voltage output
• EXC: Excitation output

For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

The AD2S1210CSTZ offers several functional features that enhance its performance and usability:

1. High-resolution Conversion: The IC provides precise measurement of angular position and velocity with a resolution of up to 14 bits.
2. Programmable Options: It allows users to customize excitation frequency, filter type, and output format to meet specific application requirements.
3. Flexible Interface: The AD2S1210CSTZ supports both serial and parallel interfaces, enabling seamless integration into various system architectures.
4. Low Power Consumption: Designed for power-sensitive applications, it operates with low power consumption, extending battery life.
5. Robust Packaging: The small surface-mount package ensures durability and ease of integration into space-constrained designs.

Advantages and Disadvantages

Advantages: - High resolution enables accurate measurement of small angular displacements. - Programmable options provide flexibility and customization. - Versatile interface supports different system integration requirements. - Low power consumption makes it suitable for battery-powered applications. - Robust packaging ensures reliability in various environments.

Disadvantages: - Limited analog input range may not be suitable for applications requiring wider input ranges. - Higher cost compared to lower-resolution alternatives. - Complex pin configuration may require careful attention during circuit design.

Working Principles

The AD2S1210CSTZ utilizes a sinusoidal-to-digital conversion technique to measure angular position and velocity accurately. It employs a voltage-to-frequency conversion method, where the input signal is converted into a frequency proportional to the input amplitude. This frequency is then digitized using an internal counter, resulting in a digital representation of the input angle.

The IC incorporates a programmable excitation frequency, which allows users to optimize performance based on their specific application requirements. The output format can be configured as binary or Gray code, providing flexibility in interfacing with different systems.

Application Field Plans

The AD2S1210CSTZ finds applications in various fields that require precise angular position and velocity measurement. Some potential application areas include:

1. Robotics: The IC can be used in robotic systems for accurate control of joint angles and rotational movements.
2. Industrial Automation: It enables precise positioning in industrial automation equipment such as CNC machines and robotic arms.
3. Aerospace: The AD2S1210CSTZ can be utilized in aerospace applications for monitoring and controlling the position of aircraft control surfaces.
4. Medical Devices: It finds use in medical devices that require accurate measurement of joint angles, such as prost