Overview
The ADS8320EB/250 is a 16-bit, high-speed, microPower sampling analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is designed for applications requiring high-resolution analog-to-digital conversion at moderate speeds. It operates over a supply range of 2.7 V to 5.25 V and features a successive approximation register (SAR) architecture, which includes a sample and hold function. The ADS8320EB/250 is particularly suited for battery-operated systems, remote data acquisition, and industrial automation due to its ultra-low power consumption and compact 8-pin VSSOP package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Sampling Rate | Up to 100 kSPS | |
| Supply Voltage Range | 2.7 V to 5.25 V | V |
| Power Consumption at 100 kHz, 2.7 V | 1.8 mW | mW |
| Power Consumption at 10 kHz, 2.7 V | 0.3 mW | mW |
| Power Down Current | 3 µA (Maximum) | µA |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 8-pin VSSOP | |
| Integral Linearity Error | ±0.012% FSR | % |
| Offset Error | ±1 mV | mV |
| Gain Error | ±0.05% FSR | % |
Key Features
- High Resolution: Offers 16-bit resolution for precise analog-to-digital conversion.
- Fast Sampling Rate: Supports sampling rates up to 100 kSPS for quick data acquisition.
- Low Power Consumption: Designed for energy-efficient operation in battery-powered applications.
- Serial Interface: Features a serial interface (SPI/SSI compatible) for easy integration with microcontrollers and digital systems.
- Reference Voltage Output: Provides a reference voltage output for external reference use.
- Compact Package: Available in an 8-pin VSSOP package, making it ideal for space-constrained designs.
Applications
- Sensor Interface: Suitable for interfacing with various sensors in industrial and automotive applications.
- Data Acquisition Systems: Used in data acquisition systems for accurate conversion of analog signals.
- Industrial Automation: Ideal for industrial automation tasks requiring precise measurement and control.
- Remote Data Acquisition: Perfect for remote data acquisition modules due to its low power consumption.
- Isolated Data Acquisition: Suitable for isolated data acquisition systems.
- Simultaneous Sampling, Multichannel Systems: Can be used in systems requiring simultaneous sampling of multiple channels.
Q & A
- What is the ADS8320EB/250?
The ADS8320EB/250 is a 16-bit, 100 kSPS successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Texas Instruments. - How does the ADS8320EB/250 work?
The ADS8320EB/250 converts analog input signals into digital data using a successive approximation method, sampling the input voltage and performing a series of comparisons to determine the digital output code. - What is the power consumption of the ADS8320EB/250 at different sampling rates?
The power consumption is 1.8 mW at 100 kHz and 2.7 V, and 0.3 mW at 10 kHz and 2.7 V. - What is the operating temperature range of the ADS8320EB/250?
The operating temperature range is -40°C to 85°C. - What type of package does the ADS8320EB/250 come in?
The ADS8320EB/250 comes in an 8-pin VSSOP package. - What are the key applications of the ADS8320EB/250?
Key applications include sensor interfaces, data acquisition systems, industrial automation, remote data acquisition, and isolated data acquisition. - Does the ADS8320EB/250 have any equivalents or alternatives?
Alternatives include the ADS8320 from Texas Instruments and other similar ADCs from manufacturers like Analog Devices and Microchip. - How does the ADS8320EB/250 handle power-down mode?
In power-down mode, the ADS8320EB/250 consumes a maximum of 3 µA. - What is the reference voltage range for the ADS8320EB/250?
The reference voltage can be set to any level within the range of 500 mV to VCC. - Is the ADS8320EB/250 pin-compatible with other Texas Instruments ADCs?
Yes, it is pin-compatible with the ADS7816 and ADS7822.
