Overview
The AD4698BCBZ-RL7 is a high-performance, 16-bit, 8-channel, 1 MSPS (mega samples per second) multiplexed successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD4697/AD4698 family, designed for precision data acquisition and monitoring in space-constrained, multichannel systems. It features advanced digital functionality, low power consumption, and extensive protection mechanisms, making it ideal for a variety of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 bits | |||
| Number of Channels | 8 channels | |||
| Sample Rate | 1 MSPS | |||
| Supply Voltage (AVDD to AGND) | 2.7 | 5.5 | 5.5 | V |
| Supply Voltage (VDD to AGND) | 1.71 | 1.8 | 1.89 | V |
| Supply Voltage (VIO to IOGND) | 1.14 | 1.98 | 1.98 | V |
| Standby Current (AVDD = 5 V, Internal Reference Buffer Disabled) | 160 | nA | ||
| Conversion Mode Current (AVDD = 5 V, fS = 10 kSPS) | 680 | nA | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Package Type | 36-Ball WLCSP (2.96mm x 2.96mm x 0.50mm) | |||
Key Features
- Easy Drive Features: Relax the drive requirements of the analog front end (AFE) and reference circuitry, reducing the need for dedicated high-speed ADC drivers and reference buffers.
- High-Z Mode: Analog input high-Z mode and reference input high-Z mode simplify system designs and increase channel density.
- Overvoltage Protection: Input overvoltage protection clamps on each analog input protect the ADC from overvoltage events.
- On-Chip Reference Buffer: The WLCSP option includes an internal reference buffer, providing a true, buffered reference input.
- Advanced Digital Functionality: Compatible with low power digital hosts, featuring low SPI clock rate requirements, on-chip customizable channel sequencers, and oversampling and decimation.
- 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.
Applications
The AD4698BCBZ-RL7 is optimal for use in space-constrained, multichannel, precision data acquisition systems and monitoring circuits. It is suitable for various applications such as:
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low power consumption.
- Aerospace and defense systems where reliability and precision are critical.
- Automotive systems, particularly those requiring multiple channel data acquisition.
Q & A
- What is the resolution of the AD4698BCBZ-RL7 ADC?
The AD4698BCBZ-RL7 has a resolution of 16 bits.
- How many channels does the AD4698BCBZ-RL7 support?
The AD4698BCBZ-RL7 supports 8 channels.
- What is the maximum sample rate of the AD4698BCBZ-RL7?
The maximum sample rate is 1 MSPS.
- What is the operating temperature range of the AD4698BCBZ-RL7?
The operating temperature range is from -40°C to +125°C.
- Does the AD4698BCBZ-RL7 have overvoltage protection?
- What package type is available for the AD4698BCBZ-RL7?
The AD4698BCBZ-RL7 is available in a 36-Ball WLCSP package.
- Does the AD4698BCBZ-RL7 support autonomous conversion mode?
- What is the purpose of the Easy Drive features in the AD4698BCBZ-RL7?
The Easy Drive features relax the drive requirements of the analog front end and reference circuitry, simplifying system designs and reducing component count.
- Is the AD4698BCBZ-RL7 compatible with low power digital hosts?
- Does the AD4698BCBZ-RL7 have on-chip customizable channel sequencers?
