Overview
The AD4697BCPZ is a 16-bit, 8-channel, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD4697/AD4698 series, known for its high performance and ease of use. The AD4697BCPZ is particularly notable for its 'Easy Drive' feature, which reduces the drive requirements of the analog front end and reference circuitry, making it simpler to integrate into various systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 bits | |||
| Number of Channels | 8 | |||
| Sample Rate | 500 | kSPS | ||
| Power Supply Voltage (AVDD to AGND) | 2.7 | 5.5 | V | |
| Power Supply Voltage (VDD to AGND) | 1.71 | 1.8 | 1.89 | V |
| Power Supply Voltage (VIO to IOGND) | 1.14 | 1.98 | V | |
| Standby Current (AVDD) | 160 nA | 450 µA | ||
| Conversion Mode Current (AVDD) | 680 nA | |||
| Signal to Noise Ratio (SNR) | 93 dB | |||
| Operating Temperature Range | -40°C | +125°C | ||
| Package Type | 24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP) | |||
Key Features
- Easy Drive: Reduces the drive requirements of the analog front end and reference circuitry, simplifying system designs and reducing component count.
- On-chip Reference Buffer: Available in WLCSP package, providing a true, buffered reference input.
- Overvoltage Protection: Protects each analog input from overvoltage events up to 5 mA.
- High-Z Mode: Analog input high-Z mode and reference input high-Z mode simplify system designs.
- Advanced Digital Functionality: Compatible with low power digital hosts, featuring low serial peripheral interface (SPI) clock rate requirements, on-chip customizable channel sequencers, and oversampling and decimation capabilities.
- Autonomous Conversion Mode: Allows for continuous conversion without external intervention.
Applications
- Industrial Automation: Suitable for data acquisition systems, process control, and monitoring applications.
- Medical Devices: Ideal for medical imaging, patient monitoring, and diagnostic equipment.
- Aerospace and Defense: Used in various military and aerospace applications requiring high precision and reliability.
- Automotive Systems: Applicable in automotive sensors, infotainment systems, and advanced driver-assistance systems (ADAS).
- Test and Measurement Equipment: Utilized in oscilloscopes, multimeters, and other precision measurement instruments.
Q & A
- What is the resolution of the AD4697BCPZ ADC?
The AD4697BCPZ has a resolution of 16 bits.
- How many channels does the AD4697BCPZ support?
The AD4697BCPZ supports 8 channels.
- What is the sample rate of the AD4697BCPZ?
The AD4697BCPZ has a sample rate of 500 kSPS.
- What is the operating temperature range of the AD4697BCPZ?
The operating temperature range is from -40°C to +125°C.
- Does the AD4697BCPZ have overvoltage protection?
Yes, the AD4697BCPZ has overvoltage protection up to 5 mA on each analog input.
- What package type is the AD4697BCPZ available in?
The AD4697BCPZ is available in a 24-Lead LFCSP package.
- What is the 'Easy Drive' feature of the AD4697BCPZ?
The 'Easy Drive' feature reduces the drive requirements of the analog front end and reference circuitry, simplifying system designs.
- Does the AD4697BCPZ have an on-chip reference buffer?
Yes, the WLCSP package of the AD4697BCPZ includes an on-chip reference buffer.
- What are some common applications of the AD4697BCPZ?
The AD4697BCPZ is commonly used in industrial automation, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
- What is the signal to noise ratio (SNR) of the AD4697BCPZ?
The signal to noise ratio (SNR) of the AD4697BCPZ is 93 dB.
