Overview
The TLC2578IPW is a high-performance, low-power, CMOS analog-to-digital converter (ADC) manufactured by Texas Instruments. This 12-bit ADC is part of the TLC3574, TLC3578, TLC2574, and TLC2578 family, which are designed to operate from a single 5-V analog power supply and a 3-V to 5-V digital supply. The device features multiple analog inputs, a built-in conversion clock, and an 8x FIFO, making it suitable for various high-speed data acquisition applications.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 200 kSPS |
| Number of Inputs | 8 Single-Ended Channels |
| Input Type | Pseudo-Differential, Single Ended |
| Data Interface | SPI/DSP-Compatible |
| Analog Input Range | ±10 V |
| Voltage - Supply, Analog | 5 V |
| Voltage - Supply, Digital | 3 V to 5 V |
| Operating Temperature Range | -40°C to 85°C |
| Package | 24-TSSOP (PW) |
| Pins | 24 |
| Power Consumption | 5.8 mA in Normal Operation, 20 µA in Power Down |
Key Features
- High-resolution 12-bit ADC with ±0.5 LSB INL and ±0.5 LSB DNL
- Maximum throughput of 200 kSPS
- Built-in conversion clock and 8x FIFO
- SPI/DSP-compatible serial interfaces with SCLK up to 25 MHz
- Low-power consumption with autopower-down mode and programmable conversion speeds
- Programmable autochannel sweep and repeat, and hardware-controlled sampling period
- On-chip analog multiplexer (MUX) for selecting analog inputs or self-test voltages
- Hardware default configuration and optional external SCLK for maximum flexibility
Applications
The TLC2578IPW is suitable for a variety of high-speed data acquisition applications, including industrial control systems, medical devices, automotive systems, and other environments where low power consumption and high accuracy are critical. Its versatility in interfacing with both SPI and DSP systems makes it a robust choice for integrating into complex signal processing systems.
Q & A
- What is the resolution of the TLC2578IPW ADC?
The TLC2578IPW is a 12-bit ADC. - What is the maximum sampling rate of the TLC2578IPW?
The maximum sampling rate is 200 kSPS. - How many analog input channels does the TLC2578IPW have?
The TLC2578IPW has 8 single-ended analog input channels. - What is the analog input range of the TLC2578IPW?
The analog input range is ±10 V. - What type of data interface does the TLC2578IPW support?
The TLC2578IPW supports SPI/DSP-compatible serial interfaces. - What is the power consumption of the TLC2578IPW in normal operation and power down mode?
In normal operation, the power consumption is 5.8 mA, and in power down mode, it is 20 µA. - Does the TLC2578IPW have a built-in conversion clock?
Yes, the TLC2578IPW has a built-in conversion clock and an 8x FIFO. - What is the operating temperature range of the TLC2578IPW?
The operating temperature range is -40°C to 85°C. - What package type is the TLC2578IPW available in?
The TLC2578IPW is available in a 24-TSSOP (PW) package. - Can the TLC2578IPW be configured for different sampling periods?
Yes, the sampling period can be programmed as short sampling (12 SCLKs) or long sampling (44 SCLKs).
