Overview
The TLC2543QDWREP is a 12-bit, successive-approximation, analog-to-digital converter (ADC) produced by Texas Instruments. This device features a switched-capacitor architecture and is designed for high-precision analog-to-digital conversion. It includes a 14-channel multiplexer that allows selection of any one of 11 analog inputs or three internal self-test voltages. The ADC has an automatic sample-and-hold function and supports serial communication through a 3-state output, facilitating efficient data transfer with host processors or peripherals. The device operates over a wide temperature range, making it suitable for various applications including industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution (Bits) | 12 |
| Sample Rate (max) (ksps) | 66 |
| Number of Input Channels | 11 |
| Interface Type | SPI |
| Architecture | SAR (Successive Approximation Register) |
| Input Type | Single-ended |
| Reference Mode | External |
| Input Voltage Range (min/max) (V) | 0 / 5.5 |
| Operating Temperature Range (°C) | -40 to 125, -55 to 125 (for TLC2543M) |
| Analog Supply Voltage (min/max) (V) | 4.5 / 5.5 |
| Digital Supply Voltage (min/max) (V) | 4.5 / 5.5 |
| Power Consumption (typ) (mW) | 5 |
| Package | SOIC (DW) - 20 pins |
Key Features
- 12-bit resolution with a conversion time of 10 µs over the operating temperature range
- 11 analog input channels with a 14-channel multiplexer
- Automatic sample-and-hold function
- Three built-in self-test modes
- On-chip system clock and end-of-conversion (EOC) output
- Unipolar or bipolar output operation (signed binary with respect to 1/2 the applied voltage reference)
- Programmable most significant bit (MSB) or least significant bit (LSB) first
- Programmable power down and output data length
- Differential high-impedance reference inputs for ratiometric conversion, scaling, and noise isolation
- CMOS technology for low power consumption
- Enhanced product change notification and qualification pedigree
- Extended temperature performance and controlled baseline
Applications
The TLC2543QDWREP is versatile and suitable for various applications, including:
- Industrial automation and control systems
- Automotive systems requiring high reliability and temperature stability
- Consumer electronics that demand precise analog-to-digital conversion
- Data acquisition systems in medical and scientific instruments
Q & A
- What is the resolution of the TLC2543QDWREP ADC?
The TLC2543QDWREP has a 12-bit resolution.
- How many analog input channels does the TLC2543QDWREP have?
The device has 11 analog input channels.
- What is the maximum sample rate of the TLC2543QDWREP?
The maximum sample rate is 66 ksps.
- What type of interface does the TLC2543QDWREP use?
The device uses an SPI interface.
- What is the operating temperature range of the TLC2543QDWREP?
The operating temperature range is -40°C to 125°C, and -55°C to 125°C for the TLC2543M version.
- Does the TLC2543QDWREP support power-down mode?
- What is the package type of the TLC2543QDWREP?
The device is packaged in a 20-pin SOIC (DW) package.
- Is the TLC2543QDWREP RoHS compliant?
- What is the typical power consumption of the TLC2543QDWREP?
The typical power consumption is 5 mW.
- Does the TLC2543QDWREP have built-in self-test modes?
