Overview
The ADS8322Y/250 is a 16-bit, 500kHz sampling analog-to-digital converter (A/D) produced by Texas Instruments. This MicroPower Sampling A/D converter features an internal 2.5V reference and is designed for high-speed data acquisition with low power consumption. The device is part of the ADS8322 family and is available in a TQFP-32 package, ensuring operation over the industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | 16 | 16 | Bits |
| Sampling Rate | 500 | 500 | 500 | kHz |
| Power Consumption | 85 | 125 | 125 | mW |
| Supply Voltage | 4.75 | 5 | 5.25 | V |
| Operating Temperature Range | –40 | +85 | °C | |
| Integral Linearity Error | ±4 | ±8 | LSBs | |
| Offset Error | ±1.0 | ±2 | mV | |
| Gain Error | ±0.25 | ±0.50 | %FSR | |
| Conversion Time | 1.6 | μs | ||
| Acquisition Time | 350 | ns |
Key Features
- High-speed parallel interface
- Internal 2.5V reference with optional external reference range of 1.5V to 2.6V
- Low power consumption: 85mW at 500kHz sampling rate
- Unipolar input range with differential input capability
- Successive approximation register (SAR) architecture with inherent sample-and-hold function
- Full 16-bit or 8-bit data output options
- TQFP-32 package with industrial temperature range operation
- External clock control with flexible clock frequency range (25kHz to 10MHz)
Applications
- CT scanners
- High-speed data acquisition systems
- Test and instrumentation equipment
- Medical equipment
Q & A
- What is the resolution of the ADS8322Y/250?
The resolution of the ADS8322Y/250 is 16 bits.
- What is the maximum sampling rate of the ADS8322Y/250?
The maximum sampling rate is 500kHz.
- What is the power consumption of the ADS8322Y/250 at 500kHz sampling rate?
The power consumption is 85mW at 500kHz sampling rate.
- What is the operating temperature range of the ADS8322Y/250?
The operating temperature range is –40°C to +85°C.
- Does the ADS8322Y/250 have an internal reference voltage?
- Can the ADS8322Y/250 use an external reference voltage?
- What is the conversion time of the ADS8322Y/250?
The conversion time is 1.6 μs.
- What is the acquisition time of the ADS8322Y/250?
The acquisition time is 350 ns.
- What are the typical applications of the ADS8322Y/250?
The typical applications include CT scanners, high-speed data acquisition systems, test and instrumentation equipment, and medical equipment.
- What package type is the ADS8322Y/250 available in?
The ADS8322Y/250 is available in a TQFP-32 package.
