Overview
The TLC3548CPW is a high-performance, low-power, 14-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is part of the TLC3544 and TLC3548 family, known for their high resolution and versatile control capabilities. The TLC3548CPW operates from a single 5-V analog power supply and a 3-V to 5-V digital supply, making it suitable for a wide range of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Maximum Throughput | 200 KSPS |
| Analog Input Range | 0-V to Reference Voltage (up to 5-V with external reference) |
| Number of Channels | 8 Channels |
| Input Type | Pseudodifferential Analog Inputs |
| Serial Interface | SPI/DSP-Compatible with SCLK up to 25 MHz |
| Power Supply | Single 5-V Analog Supply; 3-/5-V Digital Supply |
| Power Consumption | 4 mA (Internal Reference: 1.8 mA) for Normal Operation, 20 µA in Autopower-Down |
| Internal Reference | 4-V Built-In Reference |
| Conversion Clock | Built-In Conversion Clock (internal OSC), can use external SCLK |
| FIFO | 8x FIFO |
| Sampling Period | Hardware-Controlled and Programmable Sampling Period |
| Linearity | INL: ±1 LSB Max, DNL: ±1 LSB Max |
| SINAD and THD | SINAD: 80.8 dB, THD: -95 dB |
| Package | 24-Pin TSSOP (PW) |
| Operating Temperature Range | 0°C to 70°C |
Key Features
- High-resolution 14-bit ADC with maximum throughput of 200 KSPS.
- Multiple analog inputs: 8 channels for TLC3548.
- Pseudodifferential analog inputs.
- SPI/DSP-compatible serial interfaces with SCLK up to 25 MHz.
- Single 5-V analog supply and 3-/5-V digital supply.
- Low power consumption: 4 mA for normal operation and 20 µA in autopower-down mode.
- Built-in 4-V reference, conversion clock, and 8x FIFO.
- Hardware-controlled and programmable sampling period.
- Programmable autochannel sweep and repeat.
- Hardware default configuration.
Applications
The TLC3548CPW is suitable for various applications requiring high-performance, low-power analog-to-digital conversion. These include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, especially those requiring precise sensor data conversion.
- Data acquisition systems in scientific and research environments.
Q & A
- What is the resolution of the TLC3548CPW ADC?
The TLC3548CPW has a 14-bit resolution.
- What is the maximum throughput of the TLC3548CPW?
The maximum throughput is 200 KSPS.
- How many analog input channels does the TLC3548CPW have?
The TLC3548CPW has 8 analog input channels.
- What type of serial interface does the TLC3548CPW support?
The TLC3548CPW supports SPI/DSP-compatible serial interfaces with SCLK up to 25 MHz.
- What are the power supply requirements for the TLC3548CPW?
The device requires a single 5-V analog supply and a 3-/5-V digital supply.
- What is the power consumption of the TLC3548CPW in normal operation and autopower-down mode?
In normal operation, the power consumption is 4 mA, and in autopower-down mode, it is 20 µA.
- Does the TLC3548CPW have a built-in reference and conversion clock?
Yes, the TLC3548CPW has a built-in 4-V reference and conversion clock.
- Can the sampling period of the TLC3548CPW be programmed?
Yes, the sampling period can be hardware-controlled and programmable.
- What is the operating temperature range of the TLC3548CPW?
The operating temperature range is 0°C to 70°C.
- What package type is the TLC3548CPW available in?
The TLC3548CPW is available in a 24-Pin TSSOP (PW) package.
