Overview
The TLC1543IDWR is a 10-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC1543 series and is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) package. It features a switched-capacitor successive-approximation architecture and includes 11 analog input channels, making it versatile for various applications requiring multiple input conversions. The ADC has an on-chip system clock and supports high-speed data transfers through a 4-wire serial interface, enabling efficient communication with host processors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10 bits | |
| Analog Input Channels | 11 | |
| Supply Voltage Range | 4.5 to 5.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Conversion Time | 21 µs | |
| Total Cycle Time | 21 µs + acquisition time | |
| Channel Acquisition Time | 6 clock periods | |
| I/O Clock Frequency | Up to 2.1 MHz | |
| Total Unadjusted Error | ±1 LSB | |
| Package Type | 20-pin SOIC |
Key Features
- 10-bit Resolution: Provides high accuracy for analog-to-digital conversions.
- 11 Analog Input Channels: Allows for multiple analog inputs to be multiplexed and converted.
- On-Chip System Clock: Eliminates the need for an external clock source.
- Serial Interface: Supports a 4-wire serial interface for high-speed data transfers.
- Self-Test Modes: Includes three built-in self-test modes for diagnostic purposes.
- Inherent Sample-and-Hold Function: Ensures accurate sampling of analog signals.
- End-of-Conversion (EOC) Output: Indicates the completion of the conversion process.
- CMOS Technology: Offers low power consumption and high noise immunity.
Applications
- Data Acquisition Systems: Suitable for remote and distributed data acquisition due to its high-speed serial interface and on-chip system clock.
- Industrial Automation: Used in control systems, monitoring, and automation where multiple analog inputs need to be converted efficiently.
- Medical Devices: Applicable in medical equipment requiring precise analog-to-digital conversions.
- Aerospace and Defense: Utilized in various military and aerospace applications due to its wide operating temperature range and robust specifications.
- Automotive Systems: Employed in automotive control units and sensors where reliability and accuracy are crucial.
Q & A
- What is the resolution of the TLC1543IDWR ADC?
The TLC1543IDWR has a 10-bit resolution.
- How many analog input channels does the TLC1543IDWR have?
The device has 11 analog input channels.
- What is the operating temperature range of the TLC1543IDWR?
The operating temperature range is -40°C to 125°C.
- What is the conversion time of the TLC1543IDWR?
The conversion time is approximately 21 µs.
- Does the TLC1543IDWR have an on-chip system clock?
- What type of interface does the TLC1543IDWR use for data transfer?
- What is the maximum I/O clock frequency for the TLC1543IDWR?
- Does the TLC1543IDWR have built-in self-test modes?
- What is the total unadjusted error of the TLC1543IDWR?
- In what package type is the TLC1543IDWR available?
