Overview
The TLC1543QDWREP is a CMOS 10-bit switched-capacitor successive-approximation analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC1543 series, known for its high-speed data transfer capabilities and versatile control features. The TLC1543QDWREP is designed to operate over an extended temperature range of -40°C to 125°C, making it suitable for a variety of applications requiring high reliability and performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 10 bits | |||
| Analog Input Channels | 11 | |||
| Supply Voltage Range (VCC) | -0.5 | 6 | V | |
| Input Voltage Range (VI) | -0.3 | VCC + 0.3 | V | |
| Operating Free-Air Temperature (TA) | -40 | 125 | °C | |
| Total Unadjusted Error | ±1 LSB | |||
| Conversion Time (tconv) | 21 µs | |||
| I/O CLOCK Frequency | 2.1 MHz | |||
| High-Level Output Voltage (VOH) | VCC - 0.1 | VCC - 0.1 | V | |
| Low-Level Output Voltage (VOL) | 0.1 | 0.4 | V | |
| Operating Supply Current (ICC) | 0.8 | 2.5 | mA | |
Key Features
- High-Speed Data Transfer: The TLC1543QDWREP supports high-speed data transfers through a 4-wire interface to the serial port of a host processor.
- 11 Analog Input Channels: The device includes an on-chip 14-channel multiplexer that can select any one of the 11 analog inputs or any one of three internal self-test voltages.
- Inherent Sample-and-Hold Function: Automatic sample-and-hold function integrated into the ADC.
- Three Built-In Self-Test Modes: Allows for comprehensive self-testing of the device.
- On-Chip System Clock: Includes an on-chip system clock for internal timing.
- End-of-Conversion (EOC) Output: Indicates the completion of the A/D conversion process.
- Differential High-Impedance Reference Inputs: Facilitates ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise.
- CMOS Technology: Built using CMOS technology for low power consumption and high reliability.
Applications
- Industrial Automation: Suitable for use in industrial control systems due to its robust temperature range and high reliability.
- Medical Devices: Can be used in medical equipment requiring precise analog-to-digital conversion.
- Aerospace and Defense: The extended temperature range and high performance make it suitable for aerospace and defense applications.
- Automotive Systems: Applicable in automotive systems that require high-speed data conversion and robust operation.
- Test and Measurement Equipment: Ideal for use in various test and measurement instruments due to its accuracy and reliability.
Q & A
- What is the resolution of the TLC1543QDWREP ADC?
The TLC1543QDWREP has a 10-bit resolution.
- How many analog input channels does the TLC1543QDWREP have?
The device has 11 analog input channels.
- What is the operating temperature range of the TLC1543QDWREP?
The operating temperature range is -40°C to 125°C.
- Does the TLC1543QDWREP have a built-in sample-and-hold function?
Yes, it has an inherent sample-and-hold function.
- What is the purpose of the EOC output in the TLC1543QDWREP?
The EOC output indicates the end of the A/D conversion process.
- How many self-test modes are available in the TLC1543QDWREP?
There are three built-in self-test modes.
- What is the typical conversion time for the TLC1543QDWREP?
The typical conversion time is 21 µs.
- What is the maximum supply voltage for the TLC1543QDWREP?
The maximum supply voltage is 6 V.
- Is the TLC1543QDWREP compatible with other Texas Instruments ADCs?
Yes, it is terminal compatible with the TLC542.
- What is the typical operating supply current for the TLC1543QDWREP?
The typical operating supply current is 0.8 to 2.5 mA.
