Overview
The ADS8321EB/2K5G4, produced by Texas Instruments, is a 16-bit sampling analog-to-digital converter (ADC) known for its high speed and ultra-low power consumption. This device operates within a supply range of 4.75V to 5.25V and is designed for applications requiring high precision and low power dissipation. The ADS8321EB is particularly suited for portable and battery-operated systems, remote data acquisition modules, simultaneous multi-channel systems, and isolated data acquisition.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | Bits | ||
| Analog Input Full-Scale Input Span | +VREF | -VREF | V | |
| Absolute Input Range | -0.1 VCC + 0.1 | +4.0 | V | |
| Integral Linearity Error | ±0.012 | ±0.006 | % of FSR | |
| Offset Error | ±0.2 | ±1 | mV | |
| Gain Error | ±0.024 | ±0.05 | % | |
| Conversion Time | 16 | Clk Cycles | ||
| Throughput Rate | 100 | kHz | ||
| Power Supply Range | 4.75 | 5.25 | V | |
| Quiescent Current | 1100 | 1700 | µA | |
| Power Dissipation | 5.5 | 8.5 | mW | |
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- 16-bit resolution with high speed and ultra-low power consumption.
- Operates within a supply range of 4.75V to 5.25V.
- Synchronous serial (SPI/SSI compatible) interface.
- Differential input with bipolar and fully differential analog input capability.
- External reference voltage range of 500mV to VCC/2.
- Low power dissipation, with average power less than 1mW at 10kHz data rate.
- Available in an MSOP-8 package.
- CMOS digital output and logic levels up to 5.5V.
- High precision with no missing codes and low integral linearity error.
Applications
- Portable and battery-operated systems.
- Remote data acquisition modules.
- Simultaneous multi-channel systems.
- Isolated data acquisition.
- Basic data acquisition systems.
Q & A
- What is the resolution of the ADS8321EB/2K5G4?
The ADS8321EB/2K5G4 has a 16-bit resolution.
- What is the operating supply range of the ADS8321EB/2K5G4?
The device operates within a supply range of 4.75V to 5.25V.
- What type of interface does the ADS8321EB/2K5G4 use?
The device uses a synchronous serial (SPI/SSI compatible) interface.
- What is the range of the external reference voltage for the ADS8321EB/2K5G4?
The external reference voltage can be set to any level within the range of 500mV to VCC/2.
- How much power does the ADS8321EB/2K5G4 consume at a 10kHz data rate?
The average power dissipation is less than 1mW at a 10kHz data rate.
- What package types are available for the ADS8321EB/2K5G4?
The device is available in an MSOP-8 package.
- What are the key applications of the ADS8321EB/2K5G4?
The device is ideal for portable and battery-operated systems, remote data acquisition modules, simultaneous multi-channel systems, and isolated data acquisition.
- How does the ADS8321EB/2K5G4 handle analog input?
The device has a differential input and can handle both single-ended and differential analog inputs.
- What is the operating temperature range of the ADS8321EB/2K5G4?
The device operates within a temperature range of -40°C to +85°C.
- How does the power dissipation of the ADS8321EB/2K5G4 scale with conversion rate?
The power dissipation scales directly with the conversion rate.
