Overview
The TLC3548CDW is a high-performance, low-power, 14-bit resolution analog-to-digital converter (ADC) manufactured by Texas Instruments. This device operates from a single 5-V analog power supply and a 3-V to 5-V digital supply, making it versatile for various applications. The TLC3548CDW features an SPI/DSP-compatible serial interface, multiple analog input channels, and a built-in 4-V reference, conversion clock, and 8x FIFO. It is designed for low power consumption with software power-down and autopower-down modes, enhancing its suitability for power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 Bits |
| Maximum Throughput | 200 KSPS |
| Analog Input Range | 0-V to Reference Voltage |
| Number of Input Channels | 8 Channels |
| Analog Supply Voltage | 4.5 V to 5.5 V |
| Digital Supply Voltage | 2.7 V to 5.5 V |
| Interface | SPI/DSP-Compatible |
| Operating Temperature Range | 0°C to 70°C (commercial), -40°C to 85°C (industrial) |
| Package Type | SOIC (DW), 24 Pins |
| Power Consumption (Typical) | 20 mW (Normal Operation), 20 µA (Autopower-Down) |
| SINAD | 80.8 dB |
| THD | -95 dB |
Key Features
- 14-bit resolution with high accuracy (INL: ±1 LSB Max, DNL: ±1 LSB Max)
- Maximum throughput of 200 KSPS
- Pseudodifferential analog inputs with 8 channels for TLC3548
- SPI/DSP-compatible serial interfaces with SCLK up to 25 MHz
- Single 5-V analog supply and 3-V to 5-V digital supply
- Low power consumption: 4 mA for normal operation and 20 µA in autopower-down
- 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 TLC3548CDW is suitable for a variety of 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 high accuracy and low power consumption
- Data acquisition systems and test equipment
Q & A
- What is the resolution of the TLC3548CDW?
The TLC3548CDW has a 14-bit resolution.
- What is the maximum throughput of the TLC3548CDW?
The maximum throughput is 200 KSPS.
- How many analog input channels does the TLC3548CDW have?
The TLC3548CDW has 8 analog input channels.
- What are the power supply requirements for the TLC3548CDW?
The device operates from a single 5-V analog power supply and a 3-V to 5-V digital supply.
- What interfaces does the TLC3548CDW support?
The TLC3548CDW supports SPI and DSP-compatible serial interfaces.
- What is the operating temperature range of the TLC3548CDW?
The operating temperature range is 0°C to 70°C (commercial) and -40°C to 85°C (industrial).
- What is the typical power consumption of the TLC3548CDW?
The typical power consumption is 20 mW for normal operation and 20 µA in autopower-down mode.
- Does the TLC3548CDW have built-in reference and clock?
Yes, it has a built-in 4-V reference and conversion clock.
- Can the sampling period be programmed?
Yes, the sampling period can be hardware-controlled and programmable.
- Is the TLC3548CDW suitable for low-power applications?
Yes, it is designed for low power consumption with software power-down and autopower-down modes.
