Overview
The AD7682BCPZ is a high-performance, 16-bit, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the PulSAR (Successive Approximation Register) ADC family and is designed for low power, multichannel data acquisition systems. The AD7682BCPZ operates from a single power supply and features a simple serial port interface (SPI) for configuration and data transfer. It is housed in a compact 20-lead lead frame chip scale package (LFCSP) and is suitable for a wide range of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 16-bit |
| Number of Channels | 4 channels |
| Sampling Rate | 250 kSPS (kilosamples per second) |
| Input Configuration | Single-ended (with or without ground sense), differential, or bipolar |
| Internal Reference | Selectable 2.5 V or 4.096 V |
| Temperature Range | -40°C to +85°C |
| Package Type | 20-lead LFCSP (4mm x 4mm w/ EP) |
| Interface Type | 3-Wire, QSPI, SPI |
| Integral Nonlinearity (INL) | ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR) |
| Dynamic Range | 93.8 dB |
Key Features
- High Resolution and Accuracy: 16-bit resolution with no missing codes, ensuring high precision in data conversion.
- Low Power Consumption: Power dissipation scales with throughput, making it suitable for battery-powered and low power applications.
- Flexible Input Configuration: Supports single-ended (with or without ground sense), differential, or bipolar input configurations.
- Internal Low Drift Reference: Selectable 2.5 V or 4.096 V internal reference and buffer for stable and accurate conversions.
- Temperature Sensor and Sequencer: Includes a temperature sensor and a sequencer for continuous channel scanning.
- Simple Serial Interface: Uses a simple SPI interface for configuration and data transfer, with a separate supply (VIO) set to the host logic level).
Applications
- Data Acquisition Systems: Ideal for multichannel, low power data acquisition systems).
- Instrumentation: Suitable for various instrumentation applications requiring high precision and low noise).
- Process Control: Used in process control systems where accurate and reliable data conversion is critical).
- Seismic Data Acquisition Systems: Applicable in seismic data acquisition due to its high resolution and accuracy).
- Mobile Communications and GPS: Can be used in mobile communications and GPS systems for precise data conversion).
- Power Line Monitoring: Suitable for power line monitoring applications requiring high precision and reliability).
Q & A
- What is the resolution of the AD7682BCPZ ADC?
The AD7682BCPZ has a 16-bit resolution with no missing codes).
- How many channels does the AD7682BCPZ support?
The AD7682BCPZ supports 4 channels).
- What is the sampling rate of the AD7682BCPZ?
The sampling rate of the AD7682BCPZ is 250 kSPS (kilosamples per second)).
- What types of input configurations are supported by the AD7682BCPZ?
The AD7682BCPZ supports single-ended (with or without ground sense), differential, or bipolar input configurations).
- What is the operating temperature range of the AD7682BCPZ?
The operating temperature range is -40°C to +85°C).
- What type of package does the AD7682BCPZ come in?
The AD7682BCPZ is housed in a 20-lead lead frame chip scale package (LFCSP)).
- What interface type does the AD7682BCPZ use?
The AD7682BCPZ uses a 3-Wire, QSPI, SPI interface).
- What is the dynamic range of the AD7682BCPZ?
The dynamic range of the AD7682BCPZ is 93.8 dB).
- Does the AD7682BCPZ have an internal reference and temperature sensor?
Yes, the AD7682BCPZ includes an internal low drift reference (selectable 2.5 V or 4.096 V) and a temperature sensor).
- Is the AD7682BCPZ suitable for low power applications?
Yes, the AD7682BCPZ is designed for low power consumption, making it suitable for battery-powered and low power applications).
