Overview
The ADF4111BCPZ-RL7 from Analog Devices Inc. is a low power, low noise, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC) designed for high precision applications. It integrates an analog front end (AFE) that supports fully differential or single-ended, high impedance bipolar voltage inputs and current inputs. The device is optimized for use in various industrial and measurement applications, offering advanced signal conditioning and flexible configuration options.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 24 bits | |||
| Input Type | Fully differential or single-ended, bipolar ±10 V voltage inputs, 0 mA to 20 mA current inputs | |||
| Channel Scan Rate | 6.21 kSPS | |||
| Internal Reference Voltage | 2.5 V | V | ||
| Internal Reference Temperature Coefficient | ±5 ppm/°C | ppm/°C | ||
| Operating Temperature Range | −40°C | +85°C | °C | |
| Power Supply Range | 2.7 V | 5.5 V | V | |
| Package Type | 20-Lead Frame Chip Scale Package (LFCSP) | |||
Key Features
- Low power and low noise operation
- Integrated analog front end (AFE) for high impedance bipolar voltage and current inputs
- Embedded 2.5 V, low drift internal reference with output reference buffer
- Flexible digital filter settings, including simultaneous 50 Hz and 60 Hz rejection
- Automatic channel sequencer for switching through enabled channels
- Open wire detection on voltage inputs for system-level diagnostics
- Single power supply operation, suitable for galvanically isolated applications
- iPassives™ technology for precision performance
- Factory calibrated for high accuracy
Applications
- Process control: PLC and DCS modules
- Instrumentation and measurement
- Industrial automation
- High precision data acquisition systems
Q & A
- What is the resolution of the ADF4111BCPZ-RL7 ADC?
The ADF4111BCPZ-RL7 has a 24-bit resolution.
- What types of inputs does the ADF4111BCPZ-RL7 support?
The device supports fully differential or single-ended, high impedance bipolar voltage inputs (±10 V) and current inputs (0 mA to 20 mA).
- What is the maximum channel scan rate of the ADF4111BCPZ-RL7?
The maximum channel scan rate is 6.21 kSPS.
- Does the ADF4111BCPZ-RL7 have an internal reference voltage?
Yes, it has an embedded 2.5 V internal reference voltage with a low drift of ±5 ppm/°C.
- What is the operating temperature range of the ADF4111BCPZ-RL7?
The operating temperature range is −40°C to +85°C.
- What power supply range does the ADF4111BCPZ-RL7 support?
The device operates with a single power supply ranging from 2.7 V to 5.5 V.
- What package type is the ADF4111BCPZ-RL7 available in?
The device is housed in a 20-Lead Frame Chip Scale Package (LFCSP).
- Does the ADF4111BCPZ-RL7 support open wire detection?
Yes, it features open wire detection on voltage inputs for system-level diagnostics.
- Is the ADF4111BCPZ-RL7 suitable for galvanically isolated applications?
Yes, it is suitable for galvanically isolated applications due to its single power supply operation.
- What technology is used in the ADF4111BCPZ-RL7 for precision performance?
The device uses Analog Devices' proprietary iPassives™ technology for precision performance.
