Overview
The ADS8344EB, manufactured 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. This makes it ideal for battery-operated systems, including personal digital assistants, portable multi-channel data loggers, and various measurement equipment. The device operates on a single supply voltage ranging from 2.7V to 5V and includes an on-board multiplexer. It also has a shutdown mode that significantly reduces power dissipation to under 15µW, making it highly efficient for power-sensitive applications.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 8 (single-ended) or 4 (differential) |
| Resolution | 16-bit |
| Conversion Rate | Up to 100kHz |
| Supply Voltage | 2.7V to 5V |
| Power Dissipation (typical) | 10mW at 100kHz and +5V supply |
| Shutdown Power Dissipation | Under 15µW |
| Signal-to-Noise and Distortion Ratio (SINAD) | 84dB |
| Reference Voltage Range | 500mV to VCC |
| Operating Temperature Range | -40°C to +85°C |
| Package Types | QSOP-20, SSOP-20 |
Key Features
- PIN FOR PIN compatibility with ADS7844
- Single supply operation: 2.7V to 5V
- 8-channel single-ended or 4-channel differential input
- Up to 100kHz conversion rate
- 84dB SINAD
- Synchronous serial interface
- QSOP-20 and SSOP-20 packages
- Shutdown mode for low power dissipation
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 ADS8344EB?
The ADS8344EB has a resolution of 16 bits. - What is the maximum conversion rate of the ADS8344EB?
The maximum conversion rate is up to 100kHz. - What are the package options for the ADS8344EB?
The ADS8344EB is available in QSOP-20 and SSOP-20 packages. - What is the operating temperature range of the ADS8344EB?
The operating temperature range is -40°C to +85°C. - How much power does the ADS8344EB dissipate in shutdown mode?
In shutdown mode, the power dissipation is under 15µW. - What is the typical power dissipation of the ADS8344EB at 100kHz and +5V supply?
The typical power dissipation is 10mW. - What is the SINAD of the ADS8344EB?
The SINAD is 84dB. - Can the ADS8344EB operate on a single supply voltage?
Yes, it operates on a single supply voltage ranging from 2.7V to 5V. - What types of input channels does the ADS8344EB support?
The ADS8344EB supports 8-channel single-ended or 4-channel differential input. - What is the reference voltage range for the ADS8344EB?
The reference voltage range is between 500mV and VCC.
