Overview
The TLC3548IPWR 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, which includes 8-channel unipolar ADCs. It is designed to operate with a single 5-V analog supply and 3-V or 5-V digital supply, making it versatile for various applications. The TLC3548IPWR features a built-in 4-V internal reference, conversion clock, and an 8x FIFO, enhancing its functionality and efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Maximum Throughput | 200 KSPS | |
| Analog Input Range | 0-V to Reference Voltage (unipolar) | |
| Number of Analog Inputs | 8 channels | |
| Analog Input Type | Pseudodifferential | |
| Serial Interface | SPI/DSP-Compatible, SCLK up to 25 MHz | |
| Power Supply | Single 5-V Analog, 3-V or 5-V Digital | |
| Power Consumption | 4 mA (Normal Operation), 20 µA (Autopower-Down) | |
| Internal Reference Voltage | 3.85 to 4.07 V | |
| Operating Temperature Range | –40°C to 85°C | |
| Package Type | 24-TSSOP (PW), 24-SOIC (DW) |
Key Features
- High-performance, low-power operation with software and autopower-down modes.
- 14-bit resolution with maximum throughput of 200 KSPS.
- Pseudodifferential analog inputs with an on-chip analog multiplexer (MUX) for channel selection.
- SPI/DSP-compatible serial interfaces with SCLK frequencies up to 25 MHz.
- Built-in 4-V internal reference, conversion clock, and 8x FIFO.
- Programmable autochannel sweep and repeat, and hardware-controlled sampling period.
- Low power consumption: 4 mA in normal operation and 20 µA in autopower-down mode.
- High accuracy with INL ±1 LSB Max, DNL ±1 LSB Max, SINAD 80.8 dB, and THD –95 dB.
Applications
The TLC3548IPWR is suitable for a variety of applications requiring high-speed, high-resolution analog-to-digital conversion. These include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, particularly in advanced driver-assistance systems (ADAS).
- High-performance data acquisition systems.
Q & A
- What is the resolution of the TLC3548IPWR ADC?
The TLC3548IPWR has a 14-bit resolution.
- How many analog input channels does the TLC3548IPWR have?
The TLC3548IPWR has 8 analog input channels.
- What is the maximum throughput of the TLC3548IPWR?
The maximum throughput is 200 KSPS.
- What type of serial interface does the TLC3548IPWR support?
The TLC3548IPWR supports SPI/DSP-compatible serial interfaces with SCLK frequencies up to 25 MHz.
- Does the TLC3548IPWR have an internal reference voltage?
Yes, it has a built-in 4-V internal reference voltage.
- What are the power consumption modes of the TLC3548IPWR?
The device operates in normal mode (4 mA) and has software and autopower-down modes (20 µA).
- What is the operating temperature range of the TLC3548IPWR?
The operating temperature range is –40°C to 85°C.
- What types of packages are available for the TLC3548IPWR?
The device is available in 24-TSSOP (PW) and 24-SOIC (DW) packages.
- Is the TLC3548IPWR still in production?
No, the TLC3548IPWR is obsolete and no longer manufactured. However, substitutes may be available.
- What are some typical applications of the TLC3548IPWR?
Typical applications include industrial automation, medical devices, aerospace and defense systems, automotive systems, and high-performance data acquisition systems.
