Overview
The TLC3578IDWG4, part of the TLC3574, TLC3578, TLC2574, and TLC2578 family, is a high-performance, low-power CMOS analog-to-digital converter (ADC) produced by Texas Instruments. This 14-bit ADC is designed for applications requiring high accuracy and low power consumption. It operates with a single 5-V analog supply and a 3-V to 5-V digital supply, making it versatile for various system configurations. The device features a SPI/DSP-compatible serial interface with a serial clock (SCLK) up to 25 MHz, built-in conversion clock, and an 8x FIFO for efficient data handling.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Analog Input Voltage Range | ±10 V | |
| Supply Voltage (AVDD, DVDD) | 5 V (analog), 3-5 V (digital) | |
| Power Consumption (Normal Operation) | 5.8 mA | |
| Power Consumption (Power Down) | 20 µA | |
| Integral Linearity Error (INL) | ±1 LSB | |
| Differential Linearity Error (DNL) | ±0.5 LSB | |
| Signal-to-Noise Ratio + Distortion (SINAD) | 79 dB | |
| Total Harmonic Distortion (THD) | -82 dB | |
| Conversion Time (Internal OSC) | 2.785 µS | |
| Throughput Rate (Normal Long Sampling) | 200 KSPS |
Key Features
- Pseudodifferential analog inputs with a bipolar input range of ±10 V.
- SPI/DSP-compatible serial interface with SCLK up to 25 MHz.
- Built-in conversion clock and 8x FIFO for efficient data handling.
- Programmable autochannel sweep and repeat, and hardware-controlled, programmable sampling period.
- Low power consumption with 5.8 mA in normal operation and 20 µA in power down mode.
- Multiple package options including 20-TSSOP, 20-SOIC, 20-PDIP, 24-SOIC, and 24-TSSOP.
- Operating temperature range of -40°C to 85°C.
Applications
The TLC3578IDWG4 is suitable for a variety of high-performance applications, including industrial control systems, medical devices, automotive systems, and any environment requiring precise analog-to-digital conversion with low power consumption. Its SPI/DSP-compatible interface makes it compatible with a wide range of microcontrollers and digital signal processors.
Q & A
- What is the resolution of the TLC3578IDWG4 ADC?
The TLC3578IDWG4 is a 14-bit analog-to-digital converter. - What is the analog input voltage range of the TLC3578IDWG4?
The analog input voltage range is ±10 V. - What are the supply voltage requirements for the TLC3578IDWG4?
The device operates with a single 5-V analog supply and a 3-V to 5-V digital supply. - How much power does the TLC3578IDWG4 consume in normal operation?
The power consumption in normal operation is 5.8 mA. - What is the power consumption in power down mode?
The power consumption in power down mode is 20 µA. - What is the maximum SCLK frequency for the TLC3578IDWG4?
The maximum SCLK frequency is up to 25 MHz. - Does the TLC3578IDWG4 have built-in conversion clock and FIFO?
Yes, it has a built-in conversion clock and an 8x FIFO. - What are the key features of the serial interface of the TLC3578IDWG4?
The serial interface is SPI/DSP-compatible with SCLK up to 25 MHz, and it includes frame sync (FS), chip select (CS), serial data input (SDI), and serial data output (SDO). - What is the operating temperature range of the TLC3578IDWG4?
The operating temperature range is -40°C to 85°C. - What are some typical applications of the TLC3578IDWG4?
Typical applications include industrial control systems, medical devices, and automotive systems.
