Overview
The AD7689BCPZRL7, produced by Analog Devices Inc., is a 16-bit, 8-channel, 250 kSPS PulSAR (Successive Approximation Register) analog-to-digital converter (ADC). This component is designed for high-performance applications and is notable for its versatility, precision, and speed. It operates from a single power supply and features a low crosstalk multiplexer, an internal low drift reference, a temperature sensor, and a selectable one-pole filter. The AD7689BCPZRL7 is housed in a compact 20-lead LFCSP (Lead Frame Chip Scale Package) and supports a wide operating temperature range from -40°C to +85°C, with an extended model available for up to +125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Number of Channels | 8 |
| Sampling Rate | 250 kSPS |
| Supply Voltage | 2.3V to 5.5V (Analog and Digital) |
| Analog Input Voltage Range | 0.25V to 2.9V |
| Maximum Conversion Time | 2.2 µs |
| Operating Temperature Range | -40°C to +85°C (extended model up to +125°C) |
| Package Type | 20-lead LFCSP (4mm x 4mm x 0.85mm w/EP) |
| Data Interface | SPI, Microwire, QSPI |
| Signal to Noise Ratio (SNR) | High SNR for precise conversions |
Key Features
- High-Resolution Conversion: 16-bit resolution with no missing codes, ensuring precise data acquisition.
- Multi-Channel Capability: 8-channel low crosstalk multiplexer supporting single-ended, differential, and bipolar input configurations.
- Internal Reference and Buffer: Includes an internal low drift reference (selectable 2.5 V or 4.096 V) and buffer.
- Temperature Sensor: Integrated temperature sensor for monitoring environmental conditions.
- Selectable One-Pole Filter: Helps in filtering out unwanted signals.
- Sequencer: Useful for continuously scanning channels in order.
- Low Power Consumption: Power dissipation scales with throughput, making it energy-efficient.
- Flexible Data Interface: Supports SPI, Microwire, and QSPI interfaces for various communication protocols.
- Compact Package: Housed in a 20-lead LFCSP package, suitable for space-constrained applications.
Applications
- Education and Research: Ideal for laboratory instruments and research projects requiring precise data collection of physical phenomena.
- Internet of Things (IoT): Suitable for IoT devices monitoring environmental conditions or home automation systems due to its low power consumption and SPI interface.
- Computing and Data Storage: Can be used in data storage systems for error detection and correction processes, supporting the integrity and reliability of data.
- Telecommunications: Useful in telecommunication equipment for converting analog signals from sensors or receivers into digital data.
Q & A
- What is the resolution of the AD7689BCPZRL7 ADC?
The AD7689BCPZRL7 has a 16-bit resolution.
- How many channels does the AD7689BCPZRL7 support?
The AD7689BCPZRL7 supports 8 channels.
- What is the sampling rate of the AD7689BCPZRL7?
The sampling rate is 250 kSPS.
- What is the supply voltage range for the AD7689BCPZRL7?
The supply voltage range is 2.3V to 5.5V for both analog and digital circuits.
- What types of input channels can the AD7689BCPZRL7 support?
The AD7689BCPZRL7 supports single-ended, differential, and bipolar input configurations.
- Does the AD7689BCPZRL7 have an internal reference and buffer?
Yes, it includes an internal low drift reference (selectable 2.5 V or 4.096 V) and buffer.
- What is the operating temperature range of the AD7689BCPZRL7?
The operating temperature range is -40°C to +85°C, with an extended model available up to +125°C.
- What data interfaces does the AD7689BCPZRL7 support?
The AD7689BCPZRL7 supports SPI, Microwire, and QSPI interfaces.
- Is the AD7689BCPZRL7 suitable for low power applications?
Yes, the AD7689BCPZRL7 has low power consumption, with power dissipation scaling with throughput.
- What package type is the AD7689BCPZRL7 available in?
The AD7689BCPZRL7 is housed in a 20-lead LFCSP package.
