Overview
The ADS8344N/1KG4, produced by Texas Instruments, is an 8-channel, 16-bit, sampling Analog-to-Digital (A/D) converter. It features a synchronous serial interface and operates from a single supply voltage ranging from 2.7V to 5.25V. This device is designed for low power consumption, with a typical power dissipation of 10mW at a 100kHz throughput rate and a +5V supply. The ADS8344N is ideal for battery-operated systems, such as personal digital assistants, portable multi-channel data loggers, and measurement equipment, due to its low power, high speed, and on-board multiplexer.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Supply Voltage | 2.7 | - | 5.25 | V |
| Conversion Rate | - | 100kHz | - | - |
| Input Range | 0 | - | VREF | V |
| Power Dissipation | 7.5 | 10 | - | mW |
| Operating Temperature | -40 | - | 85 | °C |
| Package | - | QSOP-20, SSOP-20 | - | - |
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 with a shutdown mode reducing power dissipation to under 15µW
- On-board multiplexer for channel selection
- External reference voltage range from 500mV to VCC
- Internal or external clock mode for successive-approximation conversion
Applications
- Data acquisition systems
- Test and measurement equipment
- Industrial process control
- Personal digital assistants
- Battery-powered systems
- Portable multi-channel data loggers and measurement equipment
Q & A
- What is the resolution of the ADS8344N A/D converter?
The ADS8344N has a resolution of 16 bits.
- What is the operating supply voltage range for the ADS8344N?
The operating supply voltage range is from 2.7V to 5.25V.
- What is the maximum conversion rate of the ADS8344N?
The maximum conversion rate is up to 100kHz.
- What types of input configurations are supported by the ADS8344N?
The device supports both single-ended and differential input configurations.
- How does the ADS8344N manage power consumption?
The device has a low power consumption mode and a shutdown mode that reduces power dissipation to under 15µW.
- What is the temperature range for the ADS8344N?
The operating temperature range is from -40°C to +85°C.
- What packages are available for the ADS8344N?
The device is available in QSOP-20 and SSOP-20 packages.
- Can the ADS8344N use an external clock or internal clock for conversions?
Yes, the ADS8344N can operate in both external and internal clock modes.
- How does the serial interface of the ADS8344N work?
The serial interface is a four-wire interface compatible with several microprocessor families, using a synchronous serial protocol.
- What is the significance of the external reference voltage for the ADS8344N?
The external reference voltage sets the analog input range, and it can be any voltage between 500mV and VCC.
