Overview
The AD7173-8BCPZ is a highly integrated, low-power, 24-bit Sigma-Delta Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc. This device is designed for high accuracy and wide dynamic range, making it suitable for a variety of applications. It features 8 or 16 single-ended inputs, an integrated precision reference, and input buffers, which enhance its performance and flexibility. The AD7173-8BCPZ operates at a sampling rate of up to 31.25 kSPS and supports programming via the SPI serial interface, making it a versatile choice for various industrial and consumer applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 24-bit | |
| Sampling Rate | Up to 31.25 kSPS | |
| Number of Inputs | 8 or 16 single-ended | |
| Signal-to-Noise Ratio (SNR) | 85 dB | |
| Total Harmonic Distortion (THD) | -114 dB | |
| Reference Voltage | 2.5 V (precision, 3.5 ppm/°C) | |
| Power Supply | AVDD1: 2.7 V to 5.5 V, AVDD2: 2.7 V to 5.5 V, IOVDD: 2.7 V to 5.5 V | |
| Current Consumption (Full Operating Mode) | Typically 2.12 mA (with external clock and reference) | mA |
| Package Type | 40-Lead LFCSP (6mm x 6mm with EP) | |
| Operating Temperature Range | -40°C to +105°C | °C |
Key Features
- Highly integrated Sigma-Delta ADC with precision analog input buffers and reference input buffers.
- Integrated 2.5 V precision reference with low drift (3.5 ppm/°C).
- Eight flexible setups with configurability for output data rate, digital filter mode, offset/gain error correction, and reference selection.
- Support for SPI serial interface for programming and data transfer.
- Low power consumption with standby and power-down modes for reduced current draw.
- Cross point multiplexer for system diagnostics.
Applications
- Industrial applications: motor control, automotive systems, and industrial automation.
- Medical devices: patient monitoring, diagnostic equipment, and medical imaging.
- Consumer applications: home appliances, lighting systems, and smart home devices.
- Other applications: environmental monitoring, process control, and test and measurement equipment.
Q & A
- What is the resolution of the AD7173-8BCPZ ADC?
The AD7173-8BCPZ has a 24-bit resolution.
- What is the maximum sampling rate of the AD7173-8BCPZ?
The maximum sampling rate is up to 31.25 kSPS.
- How many inputs does the AD7173-8BCPZ support?
The device supports 8 or 16 single-ended inputs.
- What is the signal-to-noise ratio (SNR) of the AD7173-8BCPZ?
The SNR is 85 dB.
- What is the total harmonic distortion (THD) of the AD7173-8BCPZ?
The THD is -114 dB.
- What type of package does the AD7173-8BCPZ come in?
The device comes in a 40-Lead LFCSP (6mm x 6mm with EP) package.
- What is the operating temperature range of the AD7173-8BCPZ?
The operating temperature range is -40°C to +105°C.
- How does the AD7173-8BCPZ support system diagnostics?
The device includes a cross point multiplexer for system diagnostics.
- What are the power supply requirements for the AD7173-8BCPZ?
The power supply requirements are AVDD1: 2.7 V to 5.5 V, AVDD2: 2.7 V to 5.5 V, and IOVDD: 2.7 V to 5.5 V.
- What is the typical current consumption of the AD7173-8BCPZ in full operating mode?
The typical current consumption is 2.12 mA with an external clock and reference.
