Overview
The AD4002BCPZ-RL7 is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the AD4002/AD4006/AD4010 family and is known for its low power consumption, high throughput, and advanced features that simplify signal chain design. The AD4002BCPZ-RL7 is packaged in a 10-lead LFCSP (Lead Frame Chip Scale Package) and operates over a wide temperature range from -40°C to +125°C.
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 (Complete Cycle) | - | - | 500 ns | s |
| Supply Voltage (VDD) | 1.71 V | - | 1.89 V | V |
| Interface Voltage (VIO) | 1.71 V | - | 5.5 V | V |
| Reference Voltage (VREF) | - | - | 5 V | V |
Key Features
- Easy Drive Technology: 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 on the reference pin and eliminating the need for external protection diodes.
- Span Compression: Allows the full ADC code range to be accessed without the need for a negative supply to the ADC driver amplifier.
- High Throughput: Up to 2 MSPS, enabling accurate capture of high-frequency signals and implementation of oversampling techniques.
- Low Power Consumption: Power scales linearly with throughput, making it efficient for various applications.
Applications
The AD4002BCPZ-RL7 is suitable for a variety of applications that require high precision and low power consumption, such as:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For high-accuracy data acquisition in medical equipment.
- Aerospace and Defense: For reliable and precise data conversion in harsh environments.
- Test and Measurement Equipment: For accurate and efficient data acquisition in various testing scenarios.
Q & A
- What is the resolution of the AD4002BCPZ-RL7 ADC?
The AD4002BCPZ-RL7 has a resolution of 18 bits. - What is the operating temperature range of the AD4002BCPZ-RL7?
The device operates over a temperature range from -40°C to +125°C. - What is the maximum throughput of the AD4002BCPZ-RL7?
The maximum throughput is up to 2 MSPS. - What is the supply voltage range for the AD4002BCPZ-RL7?
The supply voltage (VDD) ranges from 1.71 V to 1.89 V. - Does the AD4002BCPZ-RL7 require a dedicated ADC driver?
No, the Easy Drive technology eliminates the need for a dedicated ADC driver. - How does the input overvoltage clamp feature work?
The input overvoltage clamp protects the ADC inputs against overvoltage events, minimizing disturbances on the reference pin and eliminating the need for external protection diodes. - What is span compression, and how does it benefit the ADC?
Span compression allows the full ADC code range to be accessed without the need for a negative supply to the ADC driver amplifier. - What are some typical applications for the AD4002BCPZ-RL7?
Typical applications include industrial automation, medical devices, aerospace and defense, and test and measurement equipment. - What package type is the AD4002BCPZ-RL7 available in?
The device is packaged in a 10-lead LFCSP (Lead Frame Chip Scale Package). - How does the power consumption of the AD4002BCPZ-RL7 scale?
The power consumption scales linearly with throughput.
