Overview
The AD7621ASTZRL is a high-performance, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the PulSAR (Successive Approximation Register) family and is known for its high speed and precision. The AD7621 operates from a single 2.5 V power supply and features a fully differential input structure, making it suitable for a wide range of applications requiring high accuracy and speed.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | Up to 3 MSPS |
| Integral Nonlinearity (INL) | ±2 LSB |
| Power Supply | Single 2.5 V |
| Operating Temperature | −40°C to +85°C |
| Package | 48-Lead LQFP (7mm x 7mm) |
| Interface | Serial and parallel system interface ports |
Key Features
- High-Speed Sampling: The AD7621 supports sampling rates up to 3 MSPS, making it suitable for high-speed data acquisition applications.
- Precision Conversion: With an integral nonlinearity (INL) of ±2 LSB, this ADC ensures high accuracy in conversion.
- Flexible Power Modes: The device offers multiple power modes, including a fast mode (Normal), a reduced power mode (Impulse), and a high-speed mode (Wideband Warp) for undersampling applications.
- Fully Differential Input: The ADC features a fully differential input structure, which enhances signal-to-noise ratio and reduces common-mode noise.
- Internal Reference Buffer and Error Correction: The device includes an internal reference buffer and error correction circuits to improve conversion accuracy.
Applications
- High-Speed Data Acquisition Systems: The AD7621 is ideal for applications requiring fast and accurate data conversion, such as in medical imaging, spectroscopy, and industrial control systems.
- Undersampling Applications: The Wideband Warp mode makes this ADC suitable for undersampling applications where high-speed sampling is necessary.
- Low Power Applications: The Impulse mode reduces power consumption, making it suitable for battery-powered devices and other low-power applications.
- Industrial Automation: The device's robust operating temperature range and high accuracy make it a good fit for industrial automation and control systems.
Q & A
- What is the resolution of the AD7621ASTZRL ADC?
The AD7621ASTZRL has a resolution of 16 bits.
- What is the maximum sampling rate of the AD7621ASTZRL?
The maximum sampling rate is up to 3 MSPS.
- What is the power supply requirement for the AD7621ASTZRL?
The device operates from a single 2.5 V power supply.
- What are the operating temperature ranges for the AD7621ASTZRL?
The device operates from −40°C to +85°C.
- What types of packages are available for the AD7621ASTZRL?
The device is available in a 48-Lead LQFP (7mm x 7mm) package.
- Does the AD7621ASTZRL support both serial and parallel interfaces?
- What are the different power modes available for the AD7621ASTZRL?
The device offers Normal, Impulse, and Wideband Warp power modes.
- Is the AD7621ASTZRL suitable for undersampling applications?
- Does the AD7621ASTZRL have internal error correction circuits?
- What are some typical applications for the AD7621ASTZRL?
