8-Bit, 40 kSPS ADC Serial Out, Low Power, Compatible to TLC540/545/1540, Single Ch. 8-SOIC The **TLC549IDRG4** is a **8-bit analog-to-digital converter (ADC)** manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Resolution:** 8-bit  
- **Sampling Rate:** Up to **40 kSPS** (kilo-samples per second)  
- **Input Voltage Range:** 0V to V_REF (typically 5V)  
- **Supply Voltage:** **3V to 6V**  
- **Power Consumption:** **Low power** (typically **1.5 mW** at 5V)  
- **Interface:** **Serial (SPI-compatible)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **SOIC-8**  

### **Description:**  
The TLC549IDRG4 is a **low-cost, 8-bit ADC** with a **serial interface**, making it suitable for **battery-powered and space-constrained applications**. It includes an **on-chip sample-and-hold circuit** for accurate conversions.  

### **Features:**  
- **8-bit resolution**  
- **Built-in sample-and-hold**  
- **Single supply operation (3V to 6V)**  
- **Differential nonlinearity (DNL): ±0.5 LSB (max)**  
- **Total unadjusted error: ±0.5 LSB (max)**  
- **Internal system clock** (no external clock required)  
- **Small SOIC-8 package**  

This ADC is commonly used in **data acquisition systems, portable instruments, and industrial control applications**.

8-Bit, 40 kSPS ADC Serial Out, Low Power, Compatible to TLC540/545/1540, Single Ch. 8-SOIC