Overview
The AD4002BRMZ-RL7 is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD4000 family, known for its low power consumption, high precision, and fast throughput. The AD4002 is designed to offer excellent DC and AC performance, making it suitable for a variety of applications requiring high accuracy and speed.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 18 Bits | |||
| Analog Input Voltage Range | 0 | VREF | V | |
| Operating Input Voltage (VIN+ to GND) | -0.1 VREF | +0.1 VREF | V | |
| Analog Input Current (Acquisition Phase, TA = 25°C) | 0.3 nA | 1 μA | A | |
| Throughput | 2 MSPS | |||
| Conversion Time | 270 ns | 290 ns | 320 ns | ns |
| Acquisition Phase | 290 ns | ns | ||
| Integral Nonlinearity Error (INL) | -3.2 LSB | ±0.8 LSB | +3.2 LSB | LSB |
| Differential Nonlinearity Error (DNL) | -0.8 LSB | ±0.5 LSB | +0.8 LSB | LSB |
| Zero Error | -18 LSB | +18 LSB | LSB | |
| Gain Error | -45 LSB | ±10 LSB | +45 LSB | LSB |
| Power Supply Sensitivity | 2 LSB (VDD = 1.8 V ± 5%) | |||
| Dynamic Range | 95.3 dB | |||
Key Features
- High Performance: The AD4002 offers 18-bit resolution with no missing codes, ensuring high accuracy in DC and AC measurements.
- Low Power Consumption: The device operates with low power, making it suitable for battery-powered and power-sensitive applications.
- Fast Throughput: With a throughput rate of up to 2 MSPS, the AD4002 is ideal for capturing high-frequency signals and implementing oversampling techniques.
- 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 Overvoltage Clamp: Protects the ADC inputs against overvoltage events, minimizing disturbances and eliminating the need for external protection diodes.
- Span Compression: Allows for full ADC code range access without the need for a negative supply to the ADC driver amplifier.
Applications
- Industrial Automation: Suitable for precision measurement and control systems.
- Medical Devices: Ideal for high-accuracy medical instrumentation such as ECGs, EEGs, and other diagnostic equipment.
- Aerospace and Defense: Used in various military and aerospace applications requiring high precision and reliability.
- Test and Measurement Equipment: Utilized in multimeters, oscilloscopes, and other precision measurement tools.
- Automotive Systems: Employed in advanced driver-assistance systems (ADAS) and other automotive applications requiring high accuracy and speed.
Q & A
- What is the resolution of the AD4002BRMZ-RL7?
The AD4002BRMZ-RL7 has an 18-bit resolution.
- What is the maximum throughput rate of the AD4002BRMZ-RL7?
The maximum throughput rate is up to 2 MSPS.
- What is the operating input voltage range for the AD4002BRMZ-RL7?
The operating input voltage range is from -0.1 VREF to +0.1 VREF.
- Does the AD4002BRMZ-RL7 require a dedicated ADC driver?
No, the Easy Drive feature eliminates the need for a dedicated ADC driver.
- What is the purpose of the input overvoltage clamp in the AD4002BRMZ-RL7?
The input overvoltage clamp protects the ADC inputs against overvoltage events, minimizing disturbances and eliminating the need for external protection diodes.
- What is the dynamic range of the AD4002BRMZ-RL7?
The dynamic range is 95.3 dB.
- Can the AD4002BRMZ-RL7 be used in high-temperature environments?
- What is the package type of the AD4002BRMZ-RL7?
The package type is 10-Lead MSOP.
- Is the AD4002BRMZ-RL7 suitable for battery-powered applications?
- What evaluation boards are available for the AD4002BRMZ-RL7?
The EVAL-AD4000FMCZ/EVAL-AD4002FMCZ evaluation boards are available for quick and simplified evaluation of the AD4002.
