Overview
The AD4696BCPZ-RL7, manufactured by Analog Devices Inc., is a 16-bit, 16-channel, 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 a flexible channel sequencer. The AD4696 is optimized for high performance data acquisition of multiple signals in a small form factor.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Sampling Rate | 1 MSPS | |
| Number of Inputs | 16 | |
| Input Type | Pseudo-Differential | |
| Data Interface | DSP, MICROWIRE, QSPI, Serial, SPI | |
| Architecture | SAR | |
| Reference Type | External | |
| Voltage - Supply, Analog | 1.71V ~ 1.89V, 3.15V ~ 5.5V | V |
| Voltage - Supply, Digital | 1.71V ~ 1.89V, 3.15V ~ 5.5V | V |
| Operating Temperature | -40°C ~ 125°C | °C |
| Package / Case | 32-Lead LFCSP (5mm x 5mm w/ EP) | |
| Mounting Type | Surface Mount | |
| Signal to Noise Ratio (SNR) | 93 dB | dB |
| Integral Nonlinearity (INL) | ±0.4 LSB | LSB |
| Differential Nonlinearity (DNL) | 0.3 LSB | LSB |
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.
- Overvoltage Protection: Input overvoltage protection clamps on each analog input protect the AD4696 from overvoltage events.
- On-Chip Reference Buffer: The WLCSP option includes an internal reference buffer, providing a true, buffered reference input.
- Autocycle Mode and Threshold Detection: Enable low power, interrupt-driven firmware design by performing conversions autonomously and generating alerts based on channel-specific threshold limits.
- Flexible Channel Sequencer: On-chip customizable channel sequencers simplify hardware and software designs.
- Oversampling and Decimation: Reduce the burden on the digital host system.
- Low Power Consumption: Compatible with a variety of low power digital hosts, with low serial peripheral interface (SPI) clock rate requirements.
- Temperature Sensor and Internal Oscillator: Integrated for additional functionality.
Applications
The AD4696BCPZ-RL7 is suitable for a variety of applications, including:
- Multichannel Data Acquisition Systems: Ideal for space-constrained precision multichannel applications.
- Monitoring Circuits: Used in monitoring circuits where high accuracy and low power consumption are critical.
- Industrial Automation: Suitable for industrial automation systems requiring precise and reliable data acquisition.
- Medical Devices: Can be used in medical devices that require high precision and low noise data conversion.
- Aerospace and Defense: Applicable in aerospace and defense systems due to its robust operating temperature range and high reliability.
Q & A
- What is the resolution of the AD4696BCPZ-RL7 ADC?
The AD4696BCPZ-RL7 has a 16-bit resolution.
- How many analog input channels does the AD4696BCPZ-RL7 have?
The AD4696BCPZ-RL7 has 16 analog input channels.
- What is the sampling rate of the AD4696BCPZ-RL7?
The AD4696BCPZ-RL7 has a sampling rate of up to 1 MSPS.
- What type of input does the AD4696BCPZ-RL7 support?
The AD4696BCPZ-RL7 supports pseudo-differential inputs.
- What are the operating temperature ranges for the AD4696BCPZ-RL7?
The operating temperature range is from -40°C to +125°C.
- Does the AD4696BCPZ-RL7 have overvoltage protection?
Yes, the AD4696BCPZ-RL7 has input overvoltage protection clamps on each analog input.
- What is the package type of the AD4696BCPZ-RL7?
The AD4696BCPZ-RL7 is available in a 32-lead LFCSP (5mm x 5mm w/ EP) package.
- Does the AD4696BCPZ-RL7 support autocycle mode?
Yes, the AD4696BCPZ-RL7 supports autocycle mode for autonomous conversions and threshold detection.
- What are the power supply voltage ranges for the AD4696BCPZ-RL7?
The analog supply voltage range is 1.71V ~ 1.89V, 3.15V ~ 5.5V, and the digital supply voltage range is 1.71V ~ 1.89V, 3.15V ~ 5.5V.
- Is the AD4696BCPZ-RL7 suitable for low power applications?
Yes, the AD4696BCPZ-RL7 is designed to be compatible with low power digital hosts and has features that reduce power consumption.
