Overview
The TLC1543QDWRG4 is a 10-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC1543 series and is known for its high-performance and versatile features. It incorporates a switched-capacitor design, ensuring low-error conversion over a wide operating temperature range. The TLC1543QDWRG4 is designed for serial communication with a host processor, providing a direct 4-wire interface for high-speed data transfers.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Operating Temperature Range | -40 | 125 | °C | |
| Resolution | 10 bits | |||
| Analog Input Channels | 11 | |||
| Conversion Time | 21 µs | |||
| Sample and Hold Acquisition Time | 6 I/O CLOCK periods | |||
| Total Unadjusted Error | ±1 LSB | |||
| I/O CLOCK Frequency | 0 | 2.1 MHz | ||
| High-Level Output Voltage (VOH) | VCC - 0.1 | V | ||
| Low-Level Output Voltage (VOL) | 0.1 | V |
Key Features
- 10-Bit Resolution: The TLC1543QDWRG4 offers 10-bit resolution for precise analog-to-digital conversion.
- 11 Analog Input Channels: This device includes an on-chip 14-channel multiplexer that can select any one of 11 analog inputs or three internal self-test voltages.
- Switched-Capacitor Design: Ensures low-error conversion over the full operating free-air temperature range.
- Serial Control and Interface: Provides a direct 4-wire interface to the serial port of a host processor for high-speed data transfers.
- On-Chip System Clock: Includes an on-chip system clock, eliminating the need for external clocking.
- End-of-Conversion (EOC) Output: Indicates the completion of the conversion process.
- Sample and Hold Function: Automatic sample and hold function ensures accurate conversion.
- Self-Test Modes: Three built-in self-test modes for internal diagnostics.
- Differential Reference Inputs: High-impedance reference inputs facilitate ratiometric conversion, scaling, and isolation of analog circuitry.
Applications
- Industrial Automation: Suitable for various industrial automation applications requiring precise analog-to-digital conversion.
- Medical Devices: Can be used in medical devices that require high accuracy and reliability in analog signal conversion.
- Aerospace and Defense: Applicable in aerospace and defense systems due to its robust performance over a wide temperature range.
- Automotive Systems: Used in automotive systems for sensor data acquisition and processing.
- Test and Measurement Equipment: Ideal for test and measurement equipment that require accurate and fast analog-to-digital conversion.
Q & A
- What is the resolution of the TLC1543QDWRG4 ADC?
The TLC1543QDWRG4 has a 10-bit resolution.
- How many analog input channels does the TLC1543QDWRG4 have?
The device has 11 analog input channels.
- What is the operating temperature range of the TLC1543QDWRG4?
The operating temperature range is from -40°C to 125°C.
- What is the conversion time of the TLC1543QDWRG4?
The conversion time is approximately 21 µs.
- Does the TLC1543QDWRG4 have built-in self-test modes?
Yes, it has three built-in self-test modes.
- What is the purpose of the EOC output in the TLC1543QDWRG4?
The EOC (End-of-Conversion) output indicates when the conversion process is complete.
- Can the TLC1543QDWRG4 operate with differential reference inputs?
Yes, it has differential high-impedance reference inputs.
- What is the maximum I/O CLOCK frequency for the TLC1543QDWRG4?
The maximum I/O CLOCK frequency is 2.1 MHz.
- Does the TLC1543QDWRG4 have an on-chip system clock?
Yes, it includes an on-chip system clock.
- What is the sample and hold acquisition time for the TLC1543QDWRG4?
The sample and hold acquisition time is 6 I/O CLOCK periods.
