Overview
The AD4696BCBZ-RL7, produced by Analog Devices Inc., is a 16-channel, 16-bit, 1 MSPS multiplexed successive approximation register (SAR) analog-to-digital converter (ADC). This component is designed for use in space-constrained, multichannel, precision data acquisition systems and monitoring circuits. It features a true 16-bit SAR ADC core with no missing codes, a 16-channel low crosstalk multiplexer, and advanced digital functionality that makes it compatible with a variety of low power digital hosts.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 bits | |||
| Sample Rate | 1 MSPS | |||
| Number of Channels | 16 | |||
| Input Range | Up to 5 V | |||
| Power Supply Voltage (AVDD) | 2.7 | 5.5 | 5.5 | V |
| Power Supply Voltage (VDD) | 1.71 | 1.8 | 1.89 | V |
| Power Supply Voltage (VIO) | 1.14 | 1.98 | 1.98 | V |
| Operating Temperature | -40 | 125 | °C | |
| Package Type | 36-Ball WLCSP (2.96mm x 2.96mm x 0.50mm) | |||
Key Features
- Easy Drive Features: Relaxes the drive requirements of the analog front end (AFE) and reference circuitry, reducing the need for dedicated high-speed ADC drivers and reference buffers.
- On-Chip Reference Buffer: Available in the WLCSP option, providing a true, buffered reference input.
- Overvoltage Protection: Input overvoltage protection clamps on each analog input protect the device from overvoltage events.
- Autocycle Mode and Threshold Detection: Enables low power, interrupt-driven firmware design by performing conversions autonomously and generating alerts based on channel-specific threshold limits.
- Low Serial Peripheral Interface (SPI) Clock Rate Requirements: Reduces the burden on the digital host system.
- On-Chip Customizable Channel Sequencers and Oversampling and Decimation: Simplify hardware and software designs.
Applications
The AD4696 is ideal for use in various applications requiring high-performance, multichannel data acquisition in space-constrained environments. These include:
- Precision multichannel data acquisition systems.
- Monitoring circuits.
- Industrial automation and control systems.
- Medical devices requiring multiple channel ADCs.
- Aerospace and defense applications where high reliability and performance are critical.
Q & A
- What is the resolution of the AD4696 ADC?
The AD4696 has a resolution of 16 bits. - What is the maximum sample rate of the AD4696?
The maximum sample rate is 1 MSPS. - How many channels does the AD4696 support?
The AD4696 supports 16 channels. - What is the operating temperature range of the AD4696?
The operating temperature range is from -40°C to +125°C. - What type of package is the AD4696BCBZ-RL7 available in?
The AD4696BCBZ-RL7 is available in a 36-Ball WLCSP package. - Does the AD4696 have overvoltage protection?
Yes, the AD4696 has input overvoltage protection clamps on each analog input. - What is the purpose of the Easy Drive features in the AD4696?
The Easy Drive features relax the drive requirements of the analog front end (AFE) and reference circuitry, simplifying system designs and reducing component count. - Can the AD4696 operate in autocycle mode?
Yes, the AD4696 can operate in autocycle mode, enabling low power, interrupt-driven firmware design. - Is there an on-chip reference buffer available in the AD4696?
Yes, the WLCSP option of the AD4696 includes an internal reference buffer. - What is the benefit of the on-chip customizable channel sequencers?
The on-chip customizable channel sequencers simplify hardware and software designs and reduce the burden on the digital host system.
