Overview
The ADS8345EB/2K5, produced by Texas Instruments, is a high-performance, low-power, 16-bit analog-to-digital converter (ADC) designed for a variety of applications requiring high accuracy and speed. This device is part of the ADS8345 family and is particularly suited for battery-operated systems, such as personal digital assistants, portable multi-channel data loggers, and measurement equipment. It features a synchronous serial interface, which provides low-cost isolation for remote data acquisition.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 8 (single-ended) or 4 (differential) |
| Conversion Rate | Up to 100 kHz |
| Signal-to-Noise and Distortion Ratio (SINAD) | 85 dB |
| Supply Voltage | 2.7V to 5V |
| Power Dissipation | Typical 8 mW at 100 kHz and +5V supply |
| Shutdown Power Dissipation | Under 15 µW |
| Operating Temperature Range | -40°C to +85°C |
| Package Types | QSOP-20, SSOP-20 |
| Data Interface | Serial (SPI) |
Key Features
- Bipolar input range
- Pin-for-pin compatible with the ADS7844 and ADS8344
- Single supply operation: 2.7V to 5V
- 8-channel single-ended or 4-channel differential input
- Up to 100 kHz conversion rate
- 85 dB SINAD
- Synchronous serial interface
- QSOP-20 and SSOP-20 packages
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 ADS8345EB/2K5?
The resolution of the ADS8345EB/2K5 is 16 bits.
- How many channels does the ADS8345EB/2K5 support?
The ADS8345EB/2K5 supports 8 single-ended channels or 4 differential channels.
- What is the maximum conversion rate of the ADS8345EB/2K5?
The maximum conversion rate is up to 100 kHz.
- What is the SINAD of the ADS8345EB/2K5?
The SINAD (Signal-to-Noise and Distortion Ratio) is 85 dB.
- What is the supply voltage range for the ADS8345EB/2K5?
The supply voltage range is from 2.7V to 5V.
- What are the package options for the ADS8345EB/2K5?
The device is available in QSOP-20 and SSOP-20 packages.
- What is the operating temperature range of the ADS8345EB/2K5?
The operating temperature range is from -40°C to +85°C.
- Is the ADS8345EB/2K5 pin-for-pin compatible with other models?
Yes, it is pin-for-pin compatible with the ADS7844 and ADS8344.
- What is the typical power dissipation of the ADS8345EB/2K5 at 100 kHz and +5V supply?
The typical power dissipation is 8 mW.
- What is the power dissipation in shutdown mode?
The power dissipation in shutdown mode is under 15 µW.
