Overview
The AD4698BCPZ, produced by Analog Devices Inc., is a high-performance, 16-bit, 8-channel, 1 MSPS (mega samples per second) 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 an Easy Drive architecture, which reduces analog input and reference drive requirements, making it ideal for various applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Sample Rate | - | - | 1 | MSPS |
| Resolution | - | - | 16 | Bits |
| Number of Channels | - | - | 8 | - |
| Operating Temperature Range | -40 | - | 125 | °C |
| AVDD to AGND | 2.7 | - | 5.5 | V |
| VDD to AGND (Internal LDO disabled) | 1.71 | 1.8 | 1.89 | V |
| VIO to IOGND | 1.14 | - | 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 |
| Package | - | - | 24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP) | - |
Key Features
- Easy Drive Architecture: Reduces analog input and reference drive requirements.
- On-chip Reference Buffer: Available in WLCSP package.
- Overvoltage Protection: Up to 5 mA on each analog input.
- Long Acquisition Phase: ≥71.5% (715 ns/1000 ns) of cycle time at 1 MSPS.
- Internal LDO: Enables 2.7 V to 5.5 V, single analog supply operation.
- High Performance: True 16-bit SAR ADC core with no missing codes.
- Flexible Channel Sequencer: Allows for customized channel sequencing.
- On-chip Oversampling and Decimation: Enhances signal-to-noise ratio and reduces noise.
Applications
- Photodiode Monitoring: Suitable for monitoring photodiode signals in various applications.
- Medical Instrumentation: Ideal for medical devices requiring high accuracy and low power consumption.
- Vital Signs Monitoring: Used in monitoring vital signs in medical equipment.
- Electronic Test and Measurement: Applicable in automated test equipment and electronic test instruments.
- Instrumentation and Process Control: Used in industrial control and monitoring systems.
- Battery-Powered Equipment: Suitable for battery-powered devices due to its low power consumption.
Q & A
- What is the sample rate of the AD4698BCPZ?
The AD4698BCPZ has a sample rate of up to 1 MSPS. - How many channels does the AD4698BCPZ have?
The AD4698BCPZ has 8 channels. - What is the resolution of the AD4698BCPZ?
The resolution of the AD4698BCPZ is 16 bits. - What is the operating temperature range of the AD4698BCPZ?
The operating temperature range is from -40°C to +125°C. - What is the package type of the AD4698BCPZ?
The package type is a 24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP). - Does the AD4698BCPZ have overvoltage protection?
Yes, it has overvoltage protection up to 5 mA on each analog input. - What is the purpose of the Easy Drive architecture in the AD4698BCPZ?
The Easy Drive architecture reduces analog input and reference drive requirements. - Does the AD4698BCPZ have an internal LDO?
Yes, it has an internal LDO that enables 2.7 V to 5.5 V, single analog supply operation. - What are some common applications of the AD4698BCPZ?
Common applications include photodiode monitoring, medical instrumentation, vital signs monitoring, electronic test and measurement, instrumentation and process control, and battery-powered equipment. - What is the standby current of the AD4698BCPZ when AVDD = 5 V and the internal reference buffer is disabled?
The standby current is 160 nA.
