Overview
The ADS8320EB/250G4, produced by Texas Instruments, is a 16-bit, high-speed, microPower sampling analog-to-digital converter (ADC). This device operates over a supply range of 2.7 V to 5.25 V and is designed for low power consumption, making it ideal for battery-operated and portable systems. The ADS8320EB/250G4 uses a successive approximation register (SAR) architecture based on capacitive redistribution, which includes an inherent sample and hold function. It can perform up to 100,000 conversions per second while consuming less than 4.5 mW from the power source.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Supply Voltage (VCC) | 2.7 | - | 5.25 | V |
| Sampling Rate | - | - | 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 | µA |
| Package Type | - | - | 8-Pin VSSOP | - |
| Integral Linearity Error (VCC = 5 V) | ±0.006% | - | ±0.012% | FSR |
| Offset Error (VCC = 5 V) | ±0.5 mV | - | ±1 mV | mV |
| Gain Error (VCC = 5 V) | ±0.024% | - | - | FSR |
| Reference Voltage Range | 0.5 V | - | VCC | V |
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
- 8-Pin VSSOP package
- Pin-compatible with ADS7816 and ADS7822
- Synchronous serial (SPI/SSI compatible) interface
- Differential input
- External reference voltage range from 0.5 V to VCC
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/250G4?
The resolution of the ADS8320EB/250G4 is 16 bits.
- What is the operating supply voltage range for the ADS8320EB/250G4?
The operating supply voltage range is from 2.7 V to 5.25 V.
- What is the maximum sampling rate of the ADS8320EB/250G4?
The maximum sampling rate is 100 kHz.
- How much power does the ADS8320EB/250G4 consume at 100 kHz and 2.7 V?
The power consumption is approximately 1.8 mW at 100 kHz and 2.7 V.
- What is the power down current of the ADS8320EB/250G4?
The power down current is 3 µA.
- What type of package does the ADS8320EB/250G4 come in?
The device is available in an 8-Pin VSSOP package.
- Is the ADS8320EB/250G4 pin-compatible with other models?
Yes, it is pin-compatible with ADS7816 and ADS7822.
- What type of interface does the ADS8320EB/250G4 use?
The device uses a synchronous serial (SPI/SSI compatible) interface.
- What is the range for the external reference voltage?
The external reference voltage can range from 0.5 V to VCC.
- What are some typical applications of the ADS8320EB/250G4?
Typical applications include battery-operated systems, remote data acquisition, isolated data acquisition, simultaneous sampling multichannel systems, industrial controls, robotics, and vibration analysis.
