Overview
The AD4001BRMZ is a 16-bit, high-accuracy, high-speed, low-power successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single power supply and features an externally applied reference voltage that can be set independently of the supply voltage. The AD4001 is part of the AD4000 family, known for its precision and high performance, making it suitable for a variety of applications requiring accurate and fast analog-to-digital conversion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | Bits | ||
| Analog Input Voltage Range | -VREF | +VREF | V | |
| Operating Input Voltage | -0.1 VREF | +0.1 VREF | V | |
| Common-Mode Input Range | VREF/2 - 0.125 VREF/2 | VREF/2 + 0.125 VREF/2 | V | |
| Common-Mode Rejection Ratio (CMRR) | 68 | dB | ||
| Analog Input Current | 0.3 nA | 1 μA | A | |
| Throughput Rate (fS) | 0 | 2 MSPS (AD4001), 1 MSPS (AD4005) | MSPS | |
| Conversion Time | 290 ns (AD4001), 790 ns (AD4005) | ns | ||
| Integral Nonlinearity Error (INL) | -0.4 | ±0.2 | +0.4 | LSB |
| Differential Nonlinearity Error (DNL) | -0.5 | ±0.2 | +0.5 | LSB |
| Power Consumption | 2.8 mW (2 MSPS), 5.5 mW (1 MSPS) | mW | ||
| Temperature Range | -40 | +125 | °C |
Key Features
- High Accuracy and Speed: The AD4001 offers 16-bit resolution with throughput rates of up to 2 MSPS, making it suitable for high-speed applications.
- Low Power Consumption: The device operates with low power consumption, scaling linearly with throughput, which is beneficial for power-sensitive applications.
- Easy Drive Technology: This feature reduces signal chain complexity and power consumption, enabling higher channel density and eliminating the need for a dedicated ADC driver.
- Input Span Compression: This feature allows for full ADC code range access without the need for a negative supply to the ADC driver amplifier.
- Input Overvoltage Clamp: Protects the ADC inputs against overvoltage events, minimizing disturbances on the reference pin and eliminating the need for external protection diodes.
- External Reference Voltage: The reference voltage can be set independently of the supply voltage, providing flexibility in system design.
Applications
- Industrial Automation: Suitable for precision measurement and control systems in industrial environments.
- Medical Devices: Used in medical equipment requiring high accuracy and low power consumption, such as patient monitoring systems.
- Aerospace and Defense: Ideal for applications requiring high reliability and precision in harsh environments.
- Automotive Systems: Applicable in automotive sensors and control systems that demand high accuracy and robust performance.
- Test and Measurement Equipment: Used in various test and measurement instruments where high precision and speed are essential.
Q & A
- What is the resolution of the AD4001 ADC?
The AD4001 has a resolution of 16 bits.
- What are the throughput rates of the AD4001 and AD4005?
The AD4001 has a throughput rate of up to 2 MSPS, while the AD4005 has a throughput rate of up to 1 MSPS.
- What is the operating temperature range of the AD4001?
The operating temperature range is from -40°C to +125°C.
- Does the AD4001 require a dedicated ADC driver?
No, the AD4001 features Easy Drive technology, which eliminates the need for a dedicated ADC driver.
- How does the AD4001 protect against overvoltage events?
The AD4001 includes an input overvoltage clamp that protects the ADC inputs against overvoltage events.
- Can the reference voltage be set independently of the supply voltage?
Yes, the reference voltage can be set independently of the supply voltage.
- What is the power consumption of the AD4001 at 2 MSPS?
The power consumption at 2 MSPS is approximately 2.8 mW.
- What is the common-mode rejection ratio (CMRR) of the AD4001?
The CMRR is 68 dB.
- Is the AD4001 suitable for high-speed applications?
Yes, the AD4001 is suitable for high-speed applications due to its high throughput rates and fast conversion times.
- What are some common applications of the AD4001?
The AD4001 is commonly used in industrial automation, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
