Overview
The ADS8344EBG4, produced by Texas Instruments, is an 8-channel, 16-bit, sampling Analog-to-Digital (A/D) converter. It features a synchronous serial interface and is designed for low power consumption and high-speed operation. The device operates on a single supply voltage ranging from 2.7V to 5.25V and includes an on-board multiplexer, making it ideal for battery-operated systems such as personal digital assistants, portable multi-channel data loggers, and measurement equipment.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | Bits | ||
| Full-Scale Input Span | 0 | VREF | V | |
| Analog Input Range | -0.2 + VCC + 0.2 | V | ||
| Conversion Rate | 100kHz | Hz | ||
| Power Dissipation | 7.5 | 10 | mW | |
| Temperature Range | -40 | +85 | °C | |
| Supply Voltage | 2.7 | 5.25 | V | |
| Quiescent Current | 1.5 | 2.0 | mA | |
| Power-Down Mode Current | 3 | µA |
Key Features
- 8-channel single-ended or 4-channel differential input
- Up to 100kHz conversion rate
- 84dB SINAD (Signal-to-Noise and Distortion Ratio)
- Synchronous serial interface compatible with several microprocessor families
- Low power consumption: 10mW at 100kHz throughput rate and +5V supply
- Shutdown mode reduces power dissipation to under 15µW
- External reference voltage range: 500mV to VCC
- Available in QSOP-20 and SSOP-20 packages
- Operating temperature range: –40°C to +85°C
Applications
- Data acquisition systems
- Test and measurement equipment
- Industrial process control
- Personal digital assistants
- Battery-powered systems
- Portable multi-channel data loggers
- Measurement equipment
Q & A
- What is the resolution of the ADS8344EBG4?
The resolution of the ADS8344EBG4 is 16 bits.
- What is the operating voltage range of the ADS8344EBG4?
The operating voltage range is from 2.7V to 5.25V.
- What is the maximum conversion rate of the ADS8344EBG4?
The maximum conversion rate is up to 100kHz.
- How many input channels does the ADS8344EBG4 have?
The device has 8 single-ended or 4 differential input channels.
- What is the typical power dissipation of the ADS8344EBG4 at 100kHz throughput rate and +5V supply?
The typical power dissipation is 10mW.
- What is the temperature range for the specified performance of the ADS8344EBG4?
The temperature range is from –40°C to +85°C.
- What types of packages are available for the ADS8344EBG4?
The device is available in QSOP-20 and SSOP-20 packages.
- How does the external reference voltage affect the input range of the ADS8344EBG4?
The external reference voltage sets the analog input range, which can be any voltage between 500mV and VCC.
- What is the purpose of the shutdown mode in the ADS8344EBG4?
The shutdown mode reduces power dissipation to under 15µW.
- Is the ADS8344EBG4 compatible with various microprocessor families?
Yes, it has a synchronous serial interface compatible with several microprocessor families.
