Overview
The TLC3548IDWRG4 is a high-performance, low-power, 14-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC3548 family and is designed for applications requiring high-speed and versatile control capabilities. It features a CMOS architecture, supporting both 3-V and 5-V digital supplies and a single 5-V analog supply. The ADC is equipped with an on-chip analog multiplexer, allowing it to select from eight analog input channels or three self-test voltages. The device is known for its low power consumption and advanced power-saving features, including software power-down and autopower-down modes.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Maximum Throughput | 200 KSPS | |
| Analog Input Range | 0-V to Reference Voltage | |
| Number of Analog Inputs | 8 channels | |
| Input Type | Pseudodifferential | |
| Serial Interface | SPI/DSP-Compatible, SCLK up to 25 MHz | |
| Analog Supply Voltage | 5 V | |
| Digital Supply Voltage | 3-V or 5-V | |
| Power Consumption (Normal Operation) | 4 mA (Internal Reference: 1.8 mA) | |
| Power Consumption (Autopower-Down) | 20 µA | |
| Internal Reference Voltage | 3.85 to 4.07 V | |
| Operating Temperature Range | -40°C to 85°C | |
| Package Type | 24-SOIC (DW) |
Key Features
- High-Speed Conversion: Maximum throughput of 200 KSPS.
- Low Power Consumption: Normal operation at 4 mA and autopower-down at 20 µA.
- Flexible Power Supply: Supports both 3-V and 5-V digital supplies and a single 5-V analog supply.
- Multiple Analog Inputs: Eight pseudodifferential analog input channels.
- Advanced Interface: SPI/DSP-Compatible serial interface with SCLK up to 25 MHz.
- Internal Reference and Clock: Built-in 4-V reference and conversion clock.
- Programmable Sampling Period: Hardware-controlled and programmable sampling period.
- Autochannel Sweep and Repeat: Programmable autochannel sweep and repeat functions.
- Low Distortion and Noise: High SINAD of 80.8 dB and low THD of -95 dB.
Applications
- Industrial Automation: Used in control systems and data acquisition for industrial automation.
- Medical Devices: Suitable for medical equipment requiring high precision and low power consumption.
- Aerospace and Defense: Applied in various military and aerospace applications due to its robust performance and low power consumption.
- Automotive Systems: Used in automotive control systems, sensors, and data logging.
- Test and Measurement Equipment: Ideal for use in multimeters, oscilloscopes, and other test equipment.
Q & A
- What is the resolution of the TLC3548IDWRG4 ADC?
The TLC3548IDWRG4 has a resolution of 14 bits.
- What is the maximum throughput of the TLC3548IDWRG4?
The maximum throughput is 200 KSPS.
- How many analog input channels does the TLC3548IDWRG4 have?
The device has eight pseudodifferential analog input channels.
- What are the supported digital supply voltages for the TLC3548IDWRG4?
The device supports both 3-V and 5-V digital supplies.
- What is the typical power consumption of the TLC3548IDWRG4 during normal operation?
The typical power consumption is 4 mA, with the internal reference consuming 1.8 mA.
- Does the TLC3548IDWRG4 have an internal reference voltage?
Yes, it has a built-in 4-V internal reference voltage.
- What is the operating temperature range of the TLC3548IDWRG4?
The operating temperature range is -40°C to 85°C.
- What type of package is the TLC3548IDWRG4 available in?
The device is available in a 24-SOIC (DW) package.
- Does the TLC3548IDWRG4 support SPI and DSP-compatible interfaces?
Yes, it supports SPI/DSP-Compatible serial interfaces with SCLK up to 25 MHz.
- What are the power-saving features of the TLC3548IDWRG4?
The device features software power-down and autopower-down modes to reduce power consumption.
