Overview
The AD7661ACPRL is a 16-bit, 100 kSPS (kilosamples per second) PulSAR® (Successive Approximation Register) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5 V power supply and is designed for high-speed data acquisition applications. It features an internal conversion clock, internal reference, and error correction circuits, making it a robust and accurate ADC for various industrial and medical uses.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 bits | |||
| Sampling Rate | 100 kSPS | |||
| Analog Input Voltage Range | 0 | 2.5 | V | |
| Power Supply Voltage (AVDD, DVDD) | 4.75 | 5 | 5.25 | V |
| Power Dissipation (100 kSPS, without REF) | 16 | 25 | mW | |
| Power Dissipation (1 kSPS, without REF) | 160 | µW | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | 48-lead LQFP and 48-lead LFCSP | |||
Key Features
- Fast Throughput: The AD7661 offers a high sampling rate of 100 kSPS, making it suitable for high-speed data acquisition applications.
- Superior INL (Integral Nonlinearity): The device has a maximum integral nonlinearity of 2.5 LSB with no missing 16-bit codes, ensuring high accuracy.
- Internal Reference: It includes an internal reference with a typical temperature drift of 3 ppm/°C, enhancing stability and reliability.
- Single-Supply Operation: The AD7661 operates from a single 5 V power supply, simplifying system design and reducing power consumption.
- Versatile Interface: The device supports both serial and parallel interfaces, compatible with 3 V and 5 V logic, providing flexibility in system integration.
Applications
- Data Acquisition: Ideal for high-speed data acquisition systems requiring precise and reliable analog-to-digital conversion.
- Medical Instruments: Used in medical devices that require accurate and fast conversion of analog signals to digital data.
- Digital Signal Processing: Suitable for applications involving digital signal processing where high-speed and accurate ADCs are necessary.
- Spectrum Analysis: Employed in spectrum analysis equipment to convert analog signals into digital data for further analysis.
- Instrumentation and Process Control: Used in various industrial instrumentation and process control systems that require precise and reliable data conversion.
- Battery-Powered Systems: Its low power consumption makes it suitable for battery-powered systems where energy efficiency is crucial.
Q & A
- What is the resolution of the AD7661ADC?
The AD7661 has a resolution of 16 bits.
- What is the maximum sampling rate of the AD7661?
The maximum sampling rate is 100 kSPS.
- What is the operating voltage range for the AD7661?
The device operates from a single 5 V power supply.
- Does the AD7661 have an internal reference?
Yes, the AD7661 includes an internal reference with a typical temperature drift of 3 ppm/°C.
- What types of interfaces does the AD7661 support?
The device supports both serial and parallel interfaces, compatible with 3 V and 5 V logic.
- What is the typical power dissipation of the AD7661 at 100 kSPS without an external reference?
The typical power dissipation is 16 mW at 100 kSPS without an external reference.
- What are the package options for the AD7661?
The AD7661 is available in 48-lead LQFP and 48-lead LFCSP packages.
- What is the operating temperature range for the AD7661?
The operating temperature range is from -40°C to +85°C.
- Is the AD7661 suitable for battery-powered systems?
Yes, its low power consumption makes it suitable for battery-powered systems.
- What are some common applications of the AD7661?
Common applications include data acquisition, medical instruments, digital signal processing, spectrum analysis, instrumentation, and process control.
