Overview
The AD7666ACPZRL is a 16-bit, 500 kSPS (kilosamples per second) PulSAR® (Successive Approximation Register) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single 5 V power supply and is designed for high-speed data acquisition applications. It features an internal reference, error correction circuits, and both serial and parallel system interface ports, making it versatile for various system designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Analog Input Voltage Range | 0 | - | 2.5 | V |
| Throughput Rate | 0 | - | 500 | kSPS |
| Integral Linearity Error | -2.0 | - | 2.0 | LSB |
| Differential Linearity Error | -1.0 | - | 1.5 | LSB |
| Signal-to-Noise Ratio (SNR) | - | 88 | - | dB @ 20 kHz |
| Total Harmonic Distortion (THD) | - | -96 | - | dB @ 20 kHz |
| Power Supply Voltage | 4.75 | 5 | 5.25 | V |
| Power Dissipation (500 kSPS) | - | 66 | - | mW |
| Power Dissipation (1 kSPS) | - | 132 | - | μW |
Key Features
- Internal Reference: The AD7666 features an internal 2.5 V reference with a typical temperature drift of 3 ppm/°C and a guaranteed maximum drift of 15 ppm/°C.
- High Throughput: The ADC operates at a throughput rate of 500 kSPS.
- High Resolution: 16-bit resolution with no missing codes, ensuring high accuracy.
- Low Power Consumption: The power dissipation decreases with throughput, making it suitable for battery-powered systems.
- Versatile Interface: Supports both parallel and serial interfaces, compatible with 3 V and 5 V logic.
- Single-Supply Operation: Operates from a single 5 V power supply.
Applications
- Data Acquisition: Ideal for high-speed data acquisition systems.
- Medical Instruments: Used in medical devices requiring precise analog-to-digital conversion.
- Digital Signal Processing: Suitable for various DSP applications.
- Spectrum Analysis: Employed in spectrum analysis and instrumentation.
- Battery-Powered Systems: Low power consumption makes it suitable for battery-powered devices.
- Process Control: Used in process control systems where high accuracy and speed are required.
Q & A
- What is the resolution of the AD7666ADC?
The AD7666 has a 16-bit resolution with no missing codes. - What is the throughput rate of the AD7666?
The throughput rate is 500 kSPS. - Does the AD7666 have an internal reference?
Yes, it has an internal 2.5 V reference. - What is the typical temperature drift of the internal reference?
The typical temperature drift is 3 ppm/°C. - What are the power supply requirements for the AD7666?
The AD7666 operates from a single 5 V power supply. - What are the interface options for the AD7666?
The AD7666 supports both parallel and serial interfaces, compatible with 3 V and 5 V logic. - What is the power dissipation at 500 kSPS throughput?
The power dissipation is typically 66 mW at 500 kSPS throughput. - Is the AD7666 suitable for battery-powered systems?
Yes, due to its low power consumption, it is suitable for battery-powered systems. - What are some common applications of the AD7666?
Common applications include data acquisition, medical instruments, digital signal processing, spectrum analysis, and process control. - Is the AD7666 still in production?
No, the AD7666 has been discontinued by Analog Devices Inc. as per their product discontinuance notice.
