Overview
The TLC2543IFN is a 12-bit analog-to-digital converter (ADC) produced by Texas Instruments. It is part of the TLC2543 series and is characterized by its high-speed conversion capabilities and versatile control features. This device is designed for communication with the serial port of a host processor or peripheral through a serial 3-state output. It operates over a wide temperature range, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of Inputs | 11 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Architecture | SAR (Successive Approximation Register) |
| Sampling Rate (Per Second) | 66 kSPS |
| Operating Temperature Range | -40°C to 85°C |
| Package | 20-PLCC (J-Lead) |
| Voltage - Supply, Analog/Digital | 4.5 V to 5.5 V |
| Reference Type | External |
| Conversion Time | 10 µs over operating temperature |
| Linearity Error | ±1 LSB Max |
Key Features
- 12-bit resolution with a successive approximation register (SAR) architecture
- 11 analog input channels with an on-chip 14-channel multiplexer
- High-speed conversion time of 10 µs over the operating temperature range
- Inherent sample-and-hold function
- Programmable MSB or LSB first output
- Programmable power down and output data length
- On-chip system clock and end-of-conversion output
- Unipolar or bipolar output operation (signed binary with respect to 1/2 the applied voltage reference)
- Three built-in self-test modes
- Differential high-impedance reference inputs for ratiometric conversion and noise isolation
Applications
The TLC2543IFN is suitable for a variety of applications, including industrial control systems, automotive systems, medical devices, and any system requiring high-speed and accurate analog-to-digital conversion. Its wide operating temperature range and robust design make it particularly useful in harsh environments.
Q & A
- What is the resolution of the TLC2543IFN ADC?
The TLC2543IFN has a 12-bit resolution. - How many analog input channels does the TLC2543IFN have?
The device has 11 analog input channels. - What is the sampling rate of the TLC2543IFN?
The sampling rate is up to 66 kSPS. - What is the operating temperature range of the TLC2543IFN?
The operating temperature range is -40°C to 85°C. - What type of data interface does the TLC2543IFN use?
The device uses an SPI (Serial Peripheral Interface) data interface. - Does the TLC2543IFN have built-in self-test modes?
Yes, it has three built-in self-test modes. - What is the architecture of the TLC2543IFN ADC?
The architecture is based on a successive approximation register (SAR). - Can the TLC2543IFN operate in both unipolar and bipolar modes?
Yes, it can operate in both unipolar and bipolar output modes. - What is the typical conversion time of the TLC2543IFN?
The typical conversion time is 10 µs over the operating temperature range. - Is the TLC2543IFN RoHS compliant?
Yes, the TLC2543IFN is RoHS compliant.
