Overview
The ADS8344E/2K5 from Texas Instruments is a high-performance, 16-bit analog-to-digital converter (ADC) designed for a wide range of applications. This device is characterized by its low power consumption, high speed, and on-board multiplexer, making it ideal for battery-operated systems such as personal digital assistants, portable multi-channel data loggers, and measurement equipment. The ADS8344E/2K5 operates over a single supply voltage range of 2.7V to 5V and is available in QSOP-20 and SSOP-20 packages, ensuring compatibility with various design requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 Bits |
| Input Channels | 8 (single-ended or 4 differential) |
| Analog Voltage (AVDD) | 2.7V to 5.25V |
| Digital Supply | 2.7V to 5.25V |
| Sample Rate (max) | 100kHz |
| SINAD | 84dB |
| SNR | 89dB |
| THD (Typ) | -90 dB |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | QSOP-20, SSOP-20 |
| Power Consumption (Typ) | 10mW at 100kHz and +5V supply |
| Shutdown Power Dissipation | < 15µW |
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 and 89dB SNR
- SERIAL INTERFACE for low-cost isolation in remote data acquisition
- ON-BOARD MULTIPLEXER for channel selection
- SHUTDOWN MODE reducing power dissipation to under 15µW
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 ADS8344E/2K5?
The ADS8344E/2K5 has a resolution of 16 bits. - What is the input channel configuration of the ADS8344E/2K5?
The device can be configured for 8 single-ended or 4 differential input channels. - What is the operating voltage range of the ADS8344E/2K5?
The device operates on a single supply voltage range of 2.7V to 5V. - What is the maximum sample rate of the ADS8344E/2K5?
The maximum sample rate is up to 100kHz. - What is the SINAD of the ADS8344E/2K5?
The SINAD is 84dB. - What are the package options for the ADS8344E/2K5?
The device is available in QSOP-20 and SSOP-20 packages. - What is the typical power consumption of the ADS8344E/2K5?
The typical power consumption is 10mW at a 100kHz throughput rate and a +5V supply. - Does the ADS8344E/2K5 have a shutdown mode?
Yes, the device includes a shutdown mode that reduces power dissipation to under 15µW. - What is the operating temperature range of the ADS8344E/2K5?
The operating temperature range is -40°C to +85°C. - What types of applications is the ADS8344E/2K5 suitable for?
The device is suitable for data acquisition systems, test and measurement equipment, industrial process control, personal digital assistants, battery-powered systems, and more.
