Overview
The AD7651ACP is a 16-bit, 100 kSPS (kilosamples per second) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the PulSAR (Successive Approximation Register) family and is designed for high-speed data acquisition and conversion. It operates from a single 5 V power supply and features both serial and parallel interface options, making it versatile for various system integrations.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resolution | 16 Bits | ||||
| Analog Input Voltage Range | VIN – VINGND | 0 | VREF | V | |
| Operating Input Voltage | VIN – VINGND | -0.1 | +3 | V | |
| Throughput Speed | 100 kSPS | ||||
| Power Dissipation | Without REF | 16 mW @ 100 kSPS | 160 µW @ 1 kSPS | mW/µW | |
| Power Dissipation | With REF | 38 mW | mW | ||
| Integral Linearity Error | -6 | +6 | LSB | ||
| Differential Linearity Error | -2 | +3 | LSB |
Key Features
- Fast Throughput: The AD7651ACP offers a throughput rate of 100 kSPS, making it suitable for high-speed data acquisition applications.
- Internal Reference: The device includes an internal reference with a typical temperature drift of 7 ppm/°C, ensuring stable and accurate conversions.
- Single-Supply Operation: It operates from a single 5 V power supply, reducing the complexity of the power supply design.
- Versatile Interface: The ADC features both parallel and serial interface options, compatible with 3 V and 5 V logic, enhancing its versatility in system design.
- Low Power Dissipation: The power dissipation decreases with throughput, making it energy-efficient, especially in battery-powered systems.
Applications
- Data Acquisition: Ideal for high-speed data acquisition systems due to its fast throughput and high resolution.
- Instrumentation: Suitable for various instrumentation applications requiring precise and rapid analog-to-digital conversion.
- Digital Signal Processing: Used in digital signal processing applications where high-speed conversion is critical.
- Spectrum Analysis: Applicable in spectrum analysis due to its high resolution and fast conversion rates.
- Medical Instruments: Employed in medical devices where accurate and rapid data conversion is essential.
- Battery-Powered Systems: Its low power dissipation makes it suitable for battery-powered systems.
- Process Control: Used in process control systems where precise and timely data conversion is necessary.
Q & A
- What is the resolution of the AD7651ACP?
The AD7651ACP has a resolution of 16 bits.
- What is the throughput rate of the AD7651ACP?
The throughput rate is 100 kSPS.
- Does the AD7651ACP have an internal reference?
Yes, it includes an internal reference with a typical temperature drift of 7 ppm/°C.
- What is the power supply requirement for the AD7651ACP?
It operates from a single 5 V power supply.
- What types of interfaces does the AD7651ACP support?
The device supports both parallel and serial interfaces, compatible with 3 V and 5 V logic.
- What are some typical applications of the AD7651ACP?
It is used in data acquisition, instrumentation, digital signal processing, spectrum analysis, medical instruments, battery-powered systems, and process control.
- How much power does the AD7651ACP dissipate?
The power dissipation is typically 16 mW at 100 kSPS and 160 µW at 1 kSPS without the internal reference, and 38 mW with the internal reference.
- What is the analog input voltage range for the AD7651ACP?
The analog input voltage range is from 0 V to VREF.
- Does the AD7651ACP have any error correction circuitry?
Yes, it includes internal error correction circuits.
- What is the typical input current of the AD7651ACP at 100 kSPS throughput?
The typical input current is 1.1 µA.
