Overview
The ADS8320EB/2K5, produced by Texas Instruments, is a 16-bit, high-speed, sampling analog-to-digital (A/D) converter. This device operates within a supply range of 2.7 V to 5.25 V and is designed for low power consumption, making it ideal for battery-operated systems and remote data acquisition modules. The ADS8320EB/2K5 features a successive approximation register (SAR) architecture based on capacitive redistribution, which includes an inherent sample and hold function. It is fabricated on a 0.6µm CMOS process, enabling it to acquire and convert analog signals at up to 100,000 conversions per second while consuming less than 4.5 mW from the power supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 Bits | |
| Supply Voltage Range | 2.7 V to 5.25 V | V |
| Sampling Rate | Up to 100 kHz | |
| Power Consumption at 100 kHz and 2.7 V | 1.8 mW | mW |
| Power Consumption at 10 kHz and 2.7 V | 0.3 mW | mW |
| Power Down Current | 3 µA (Maximum) | µA |
| Package Type | 8-Pin VSSOP (DGK) | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Integral Linearity Error (Typical) | ±0.008% FSR (ADS8320E), ±0.006% FSR (ADS8320EB) | % |
| Offset Error (Typical) | ±1 mV (ADS8320E), ±0.5 mV (ADS8320EB) | mV |
| Gain Error (Typical) | ±0.05% FSR (ADS8320E), ±0.024% FSR (ADS8320EB) | % |
| Noise (Typical) | 20 µVrms | µVrms |
Key Features
- High-speed sampling rate of up to 100 kHz
- Low power consumption: 1.8 mW at 100 kHz and 2.7 V, 0.3 mW at 10 kHz and 2.7 V
- Ultra-low power-down current of 3 µA (maximum)
- Synchronous serial (SPI/SSI compatible) interface
- Differential input with reference voltage range of 500 mV to VCC
- Pin-compatible with ADS7816 and ADS7822
- Available in an 8-pin VSSOP package
Applications
- Battery-operated systems
- Remote data acquisition
- Isolated data acquisition
- Simultaneous sampling, multichannel systems
- Industrial controls
- Robotics
- Vibration analysis
Q & A
- What is the resolution of the ADS8320EB/2K5?
The resolution of the ADS8320EB/2K5 is 16 bits.
- What is the operating supply voltage range of the ADS8320EB/2K5?
The operating supply voltage range is from 2.7 V to 5.25 V.
- What is the maximum sampling rate of the ADS8320EB/2K5?
The maximum sampling rate is up to 100 kHz.
- How much power does the ADS8320EB/2K5 consume at 100 kHz and 2.7 V?
The power consumption is 1.8 mW at 100 kHz and 2.7 V.
- What is the power-down current of the ADS8320EB/2K5?
The power-down current is 3 µA (maximum).
- What type of interface does the ADS8320EB/2K5 use?
The ADS8320EB/2K5 uses a synchronous serial (SPI/SSI compatible) interface.
- What is the package type of the ADS8320EB/2K5?
The package type is an 8-pin VSSOP (DGK).
- What is the operating temperature range of the ADS8320EB/2K5?
The operating temperature range is from -40°C to 85°C.
- What are some typical applications of the ADS8320EB/2K5?
Typical applications include battery-operated systems, remote data acquisition, isolated data acquisition, simultaneous sampling multichannel systems, industrial controls, robotics, and vibration analysis.
- Is the ADS8320EB/2K5 pin-compatible with other models?
Yes, it is pin-compatible with the ADS7816 and ADS7822.
