Overview
The ADS8344NB/1K, produced by Texas Instruments, is an 8-channel, 16-bit, successive approximation register (SAR) analog-to-digital converter (ADC). This device is notable for its low power consumption, high speed, and on-board multiplexer, making it ideal for battery-operated systems. It is particularly suited for applications such as personal digital assistants, portable multi-channel data loggers, and various measurement equipment. The ADS8344NB/1K operates on a single supply voltage ranging from 2.7V to 5V and features a serial interface for low-cost isolation in remote data acquisition scenarios.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 8 (single-ended or 4 differential) |
| Sampling Rate | Up to 100 kHz |
| Supply Voltage | 2.7V to 5.25V |
| Power Dissipation | Typically 10 mW at 100 kHz and +5V supply |
| Shutdown Power Dissipation | Under 15 µW |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | QSOP-20 or SSOP-20 |
| Reference Voltage Range | 500 mV to VCC |
| SINAD (Signal-to-Noise and Distortion Ratio) | 84 dB |
| Data Interface | Serial |
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 100 kHz conversion rate
- 84 dB SINAD
- Serial interface for data communication
- Available in QSOP-20 and SSOP-20 packages
- Low power consumption with a shutdown mode reducing power to under 15 µW
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 ADS8344NB/1K ADC?
The ADS8344NB/1K has a resolution of 16 bits. - How many channels does the ADS8344NB/1K support?
The device supports 8 single-ended or 4 differential channels. - What is the maximum sampling rate of the ADS8344NB/1K?
The maximum sampling rate is up to 100 kHz. - What is the supply voltage range for the ADS8344NB/1K?
The supply voltage range is from 2.7V to 5.25V. - What is the typical power dissipation of the ADS8344NB/1K at 100 kHz and +5V supply?
The typical power dissipation is 10 mW. - How much power does the ADS8344NB/1K consume in shutdown mode?
The power consumption in shutdown mode is under 15 µW. - What are the available package types for the ADS8344NB/1K?
The device is available in QSOP-20 and SSOP-20 packages. - What is the operating temperature range of the ADS8344NB/1K?
The operating temperature range is -40°C to +85°C. - What is the SINAD (Signal-to-Noise and Distortion Ratio) of the ADS8344NB/1K?
The SINAD is 84 dB. - What type of data interface does the ADS8344NB/1K use?
The device uses a serial interface for data communication.
