Overview
The TLC3578IDW is a high-performance, low-power, CMOS analog-to-digital converter (ADC) manufactured by Texas Instruments. This component is part of the TLC3574, TLC3578, TLC2574, and TLC2578 family, offering 14-bit resolution for the TLC3574 and TLC3578 models. It 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 TLC3578IDW features an SPI/DSP-compatible serial interface, built-in conversion clock, and an 8x FIFO, enhancing its functionality and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit (TLC3574/78), 12-bit (TLC2574/78) |
| Maximum Throughput | 200 KSPS |
| Analog Input Channels | 8 single-ended channels (TLC3578/2578), 4 single-ended channels (TLC3574/2574) |
| Analog Input Range | ±10 V |
| Input Linearity (INL) | ±1 LSB (TLC3574/78), ±0.5 LSB (TLC2574/78) |
| Differential Nonlinearity (DNL) | ±0.5 LSB |
| Signal-to-Noise and Distortion Ratio (SINAD) | 79 dB (TLC3574/78), 72 dB (TLC2574/78) |
| Total Harmonic Distortion (THD) | 82 dB |
| Power Supply | Single 5-V analog, 3-V to 5-V digital |
| Power Consumption | 5.8 mA in normal operation, 20 µA in power down |
| Operating Temperature Range | -40°C to 85°C |
| Package | SOIC (DW) with 24 pins |
Key Features
- SPI/DSP-compatible serial interfaces with SCLK up to 25 MHz
- Built-in conversion clock and 8x FIFO
- Pseudodifferential analog inputs
- Programmable autochannel sweep and repeat
- Hardware-controlled, programmable sampling period
- Hardware default configuration
- Low-power consumption with autopower-down mode
- On-chip analog multiplexer (MUX) for selecting analog inputs or self-test voltages
- Sample-and-hold function with normal, short, or long sampling periods
Applications
The TLC3578IDW is suitable for a variety of high-performance applications, including industrial control systems, medical devices, and automotive systems. Its low power consumption and high throughput make it ideal for battery-powered devices and real-time data acquisition systems. Additionally, its SPI/DSP-compatible interface allows for easy integration with microcontrollers and digital signal processors.
Q & A
- What is the resolution of the TLC3578IDW?
The TLC3578IDW has a 14-bit resolution. - What is the maximum throughput of the TLC3578IDW?
The maximum throughput is 200 KSPS. - How many analog input channels does the TLC3578IDW have?
The TLC3578IDW has 8 single-ended analog input channels. - What is the analog input range of the TLC3578IDW?
The analog input range is ±10 V. - What are the power supply requirements for the TLC3578IDW?
The TLC3578IDW requires a single 5-V analog power supply and a 3-V to 5-V digital supply. - What is the power consumption of the TLC3578IDW in normal operation and power down?
In normal operation, the power consumption is 5.8 mA, and in power down, it is 20 µA. - What is the operating temperature range of the TLC3578IDW?
The operating temperature range is -40°C to 85°C. - What type of package does the TLC3578IDW come in?
The TLC3578IDW comes in a SOIC (DW) package with 24 pins. - Does the TLC3578IDW have built-in conversion clock and FIFO?
Yes, the TLC3578IDW has a built-in conversion clock and an 8x FIFO. - Is the TLC3578IDW compatible with SPI and DSP interfaces?
Yes, the TLC3578IDW is compatible with both SPI and DSP interfaces.
