Overview
The ADS8321EB/2K5, produced by Texas Instruments, is a 16-bit sampling analog-to-digital converter (ADC) designed for high-speed and low-power applications. It operates within a supply range of 4.75V to 5.25V and is capable of sampling at rates up to 100kHz. The device is particularly suited for battery-operated and portable systems due to its ultra-low power consumption, with an average power dissipation of less than 1mW at a 10kHz data rate. The ADS8321EB/2K5 features a synchronous serial (SPI/SSI compatible) interface and supports differential, pseudo-differential, and single-ended input configurations. The reference voltage can be set between 500mV and VCC/2, making it versatile for various analog input ranges.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | Bits | ||
| Analog Voltage (AVDD) | 4.75 | 5.25 | V | |
| Input Range | -2.6 | 2.6 | V | |
| Sample Rate (max) | 100kSPS | |||
| Power Consumption (Typ) | 5.5 | mW | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | VSSOP-8 | |||
| Interface | SPI/SSI |
Key Features
- Bipolar Input Range: Supports differential, pseudo-differential, and single-ended input configurations.
- High-Speed Sampling: Capable of sampling at rates up to 100kHz.
- Micro Power Consumption: Low power consumption, with 4.5mW at 100kHz and less than 1mW at 10kHz.
- Power Down Mode: Low power dissipation in power-down mode, with a maximum of 3µA.
- Compact Package: Available in an MSOP-8 package.
- Serial Interface: Features a synchronous serial (SPI/SSI compatible) interface.
- Flexible Reference Voltage: Reference voltage can be set between 500mV and VCC/2.
Applications
- Battery-Operated Systems: Ideal for portable and battery-operated devices due to its low power consumption.
- Remote Data Acquisition: Suitable for remote data acquisition modules.
- Simultaneous Multi-Channel Systems: Can be used in simultaneous multi-channel systems.
- Isolated Data Acquisition: Appropriate for isolated data acquisition applications.
- Industrial Controls: Used in industrial control systems.
- Robotics: Suitable for robotics applications.
- Vibration Analysis: Can be used in vibration analysis systems.
Q & A
- What is the resolution of the ADS8321EB/2K5?
The resolution of the ADS8321EB/2K5 is 16 bits.
- What is the operating supply voltage range of the ADS8321EB/2K5?
The operating supply voltage range is from 4.75V to 5.25V.
- What is the maximum sampling rate of the ADS8321EB/2K5?
The maximum sampling rate is 100kSPS.
- What types of input configurations does the ADS8321EB/2K5 support?
The device supports differential, pseudo-differential, and single-ended input configurations.
- What is the typical power consumption of the ADS8321EB/2K5 at 100kHz sampling rate?
The typical power consumption is 5.5mW at 100kHz sampling rate.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is a maximum of 3µA.
- What type of interface does the ADS8321EB/2K5 use?
The device features a synchronous serial (SPI/SSI compatible) interface.
- What is the range for the reference voltage?
The reference voltage can be set between 500mV and VCC/2.
- In what package is the ADS8321EB/2K5 available?
The device is available in an MSOP-8 package.
- What are some common applications of the ADS8321EB/2K5?
Common applications include battery-operated systems, remote data acquisition, simultaneous multi-channel systems, isolated data acquisition, industrial controls, robotics, and vibration analysis.
