Overview
The AD4115BCPZ is a 24-bit, sigma-delta (Σ-Δ) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device integrates an analog front end (AFE) and is designed for high precision and low noise applications. It supports eight fully differential or 16 single-ended, high impedance (≥1 MΩ), bipolar, ±10 V voltage inputs. The AD4115BCPZ features a flexible output rate, internal reference, and advanced digital filtering capabilities, making it suitable for a variety of industrial and measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Input Type | 8 differential or 16 single-ended |
| Input Voltage Range | ±10 V |
| Input Impedance | ≥1 MΩ |
| Output Data Rate | 2.5 SPS to 125 kSPS |
| Channel Scan Rate | 24,845 SPS per channel (40.25 µs settling) |
| Common Mode Rejection | 85 dB at 50 Hz and 60 Hz |
| Internal Reference | 2.5 V, ±0.12% initial accuracy at 25°C, ±5 ppm/°C drift |
| Power Supplies | AVDD = 4.5 V to 5.5 V, IOVDD = 2 V to 5.5 V |
| Total Current Consumption | 10.4 mA (AVDD + IOVDD) |
| Temperature Range | −40°C to +105°C |
| Package Type | 40-Lead Lead Frame Chip Scale Package (LFCSP-VQ) |
Key Features
- Fast and flexible output rate: 2.5 SPS to 125 kSPS
- Integrated analog front end (AFE) with high impedance inputs
- Embedded 2.5 V, low drift internal reference
- Advanced digital filtering with simultaneous 50 Hz and 60 Hz rejection
- Automatic channel sequencer for efficient channel switching
- Proprietary iPassives® technology for precision performance
- Factory calibrated for high accuracy
- Support for SPI, QSPI, MICROWIRE, and DSP compatible serial digital interface
Applications
- Process control
- Programmable logic controller (PLC) and distributed control system (DCS) modules
- Instrumentation and measurement
Q & A
- What is the resolution of the AD4115BCPZ ADC?
The AD4115BCPZ has a resolution of 24 bits. - What types of inputs does the AD4115BCPZ support?
The AD4115BCPZ supports eight fully differential or 16 single-ended inputs. - What is the input voltage range of the AD4115BCPZ?
The input voltage range is ±10 V. - What is the output data rate range of the AD4115BCPZ?
The output data rate ranges from 2.5 SPS to 125 kSPS. - Does the AD4115BCPZ have an internal reference?
Yes, the AD4115BCPZ has an embedded 2.5 V internal reference with ±0.12% initial accuracy at 25°C and ±5 ppm/°C drift. - What are the power supply requirements for the AD4115BCPZ?
The power supplies required are AVDD = 4.5 V to 5.5 V and IOVDD = 2 V to 5.5 V. - What is the total current consumption of the AD4115BCPZ?
The total current consumption is 10.4 mA (AVDD + IOVDD). - What is the operating temperature range of the AD4115BCPZ?
The operating temperature range is −40°C to +105°C. - What package type is the AD4115BCPZ available in?
The AD4115BCPZ is available in a 40-Lead Lead Frame Chip Scale Package (LFCSP-VQ). - What communication interfaces does the AD4115BCPZ support?
The AD4115BCPZ supports SPI, QSPI, MICROWIRE, and DSP compatible serial digital interfaces.
