Overview
The TLV2548QDWRG4 is a high-performance, 12-bit, low-power analog-to-digital converter (ADC) produced by Texas Instruments. This device operates from a single 3-V to 5.5-V power supply and is part of the TLV2544Q, TLV2548Q, and TLV2548M family. It features a 12-bit successive approximation register (SAR) ADC with a conversion time of 3.5 µs and is designed for low power consumption, making it suitable for a variety of applications requiring high accuracy and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 3.5 µs (typical) |
| Sampling Rate | Up to 200 kSPS |
| Number of Channels | 8 channels (TLV2548Q) |
| Power Supply | 3 V to 5.5 V |
| Operating Temperature | −40°C to 125°C |
| Interface | SPI (4-wire serial interface) |
| Package | 16-SOIC (D) |
| Conversion Clock Source | Internal OSC or external SCLK |
| Reference Voltage | Internal (2 V or 4 V) or external |
Key Features
- High-speed A/D conversion with a conversion time of 3.5 µs.
- Low power consumption with software, hardware, and autopower-down modes.
- Programmable conversion speeds and sampling periods.
- On-chip analog multiplexer with the ability to select any analog input or one of three internal self-test voltages.
- Direct 4-wire SPI interface compatible with most host microprocessors.
- Optional use of external SCLK as the conversion clock for higher conversion speeds.
- Two internal reference voltages (2 V and 4 V) and the option to use an external reference voltage.
Applications
The TLV2548QDWRG4 is suitable for various applications requiring high-performance, low-power analog-to-digital conversion. These include:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Data acquisition systems.
- Embedded systems requiring precise and efficient ADC functionality.
Q & A
- What is the resolution of the TLV2548QDWRG4 ADC?
The TLV2548QDWRG4 has a resolution of 12 bits. - What is the typical conversion time of the TLV2548QDWRG4?
The typical conversion time is 3.5 µs. - How many channels does the TLV2548QDWRG4 have?
The TLV2548QDWRG4 has 8 channels. - What is the operating temperature range of the TLV2548QDWRG4?
The operating temperature range is −40°C to 125°C. - What types of power-down modes are available on the TLV2548QDWRG4?
The device features software, hardware, and autopower-down modes. - Can the TLV2548QDWRG4 use an external clock for conversion?
Yes, the device can use an external SCLK as the source of the conversion clock. - What are the available internal reference voltages for the TLV2548QDWRG4?
The available internal reference voltages are 2 V and 4 V. - What is the interface type of the TLV2548QDWRG4?
The device uses a 4-wire SPI interface. - How is the sampling period controlled on the TLV2548QDWRG4?
The sampling period can be controlled by the CSTART pin or programmed as short (12 SCLKs) or long (24 SCLKs). - What package type is the TLV2548QDWRG4 available in?
The TLV2548QDWRG4 is available in a 16-SOIC (D) package.
