Overview
The AD4011BCPZ-RL7 is a high-accuracy, high-speed, low-power 18-bit 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, which can be set independently of the supply voltage. The AD4011 is part of the AD4003/AD4007/AD4011 family, known for its Easy Drive technology, which reduces signal chain complexity and power consumption, enabling higher channel density.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 18 bits |
| Throughput Rate | Up to 500 kSPS |
| Conversion Time | 2000 ns (complete cycle), 1790 ns (acquisition phase) |
| Input Voltage Range | −0.1 V to VREF + 0.1 V (span compression enabled) |
| Common-Mode Input Range | VREF/2 ± 0.125 V |
| Common-Mode Rejection Ratio (CMRR) | 68 dB at fIN = 500 kHz |
| Analog Input Current | 0.3 nA (acquisition phase), 1 μA (high-Z mode enabled, converting dc input at 2 MSPS) |
| Integral Nonlinearity Error (INL) | −1.0 to +1.0 LSB |
| Operating Temperature Range | −40°C to +125°C |
| Package | 10-Lead LFCSP (3mm x 3mm) |
Key Features
- Easy Drive Technology: Reduces signal chain complexity and power consumption, enabling higher channel density.
- High-Z Mode: Low input current during the acquisition phase, eliminating the need for a dedicated ADC driver.
- Input Span Compression: Allows full ADC code range access without requiring a negative supply to the ADC driver amplifier.
- Input Overvoltage Clamp: Protects the ADC inputs against overvoltage events, minimizing disturbances on the reference pin.
- Fast Throughput: Up to 500 kSPS, enabling accurate capture of high-frequency signals and implementation of oversampling techniques.
- Low Power Consumption: Power scales linearly with throughput, reducing overall power consumption.
- 3-Wire or 4-Wire SPI Interface: Supports daisy chain and CS modes, reducing digital input and output power consumption.
Applications
- Automated Test Equipment: High accuracy and speed make it suitable for precise measurements.
- Machine Automation: Used in control systems requiring high precision and reliability.
- Medical Equipment: Ideal for medical devices that require accurate and reliable data acquisition.
- Battery-Powered Equipment: Low power consumption makes it suitable for battery-powered devices.
- Precision Data Acquisition Systems: High accuracy and speed are crucial for precise data acquisition.
- Instrumentation and Control Systems: Used in various industrial control and instrumentation applications.
Q & A
- What is the resolution of the AD4011BCPZ-RL7 ADC?
The AD4011BCPZ-RL7 has a resolution of 18 bits.
- What is the maximum throughput rate of the AD4011BCPZ-RL7?
The maximum throughput rate is up to 500 kSPS.
- What is the operating temperature range of the AD4011BCPZ-RL7?
The operating temperature range is −40°C to +125°C.
- What is the package type of the AD4011BCPZ-RL7?
The package type is a 10-Lead LFCSP (3mm x 3mm).
- Does the AD4011BCPZ-RL7 require a dedicated ADC driver?
No, the AD4011BCPZ-RL7 features high-Z mode, which reduces input current and eliminates the need for a dedicated ADC driver.
- What is the input voltage range of the AD4011BCPZ-RL7?
The input voltage range is −0.1 V to VREF + 0.1 V (span compression enabled).
- What is the common-mode rejection ratio (CMRR) of the AD4011BCPZ-RL7?
The CMRR is 68 dB at fIN = 500 kHz.
- How does the AD4011BCPZ-RL7 protect against overvoltage events?
The AD4011BCPZ-RL7 features an input overvoltage clamp that protects the ADC inputs against overvoltage events.
- What types of interfaces does the AD4011BCPZ-RL7 support?
The AD4011BCPZ-RL7 supports 3-wire or 4-wire SPI interfaces, including daisy chain and CS modes.
- What are some typical applications of the AD4011BCPZ-RL7?
Typical applications include automated test equipment, machine automation, medical equipment, battery-powered equipment, precision data acquisition systems, and instrumentation and control systems.
