Overview
The TLC3548IDWR is a 14-bit, high-performance, low-power analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is part of the TLC3544 and TLC3548 family, known for their high resolution and versatile control capabilities. The TLC3548 operates from a single 5-V analog power supply and a 3-V to 5-V digital supply, making it suitable for a wide range of applications requiring precise analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14-bit |
| Maximum Throughput | 200 KSPS |
| Analog Input Range | 0-V to Reference Voltage |
| Number of Analog Inputs | 8 Channels |
| Supply Voltage (Analog) | 5 V |
| Supply Voltage (Digital) | 2.7 V to 5.5 V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 24-SOIC |
| Power Consumption (Normal Operation) | 4 mA (Internal Reference: 1.8 mA) |
| Power Consumption (Autopower-Down) | 20 µA |
| Integral Nonlinearity (INL) | ±1 LSB Max |
| Differential Nonlinearity (DNL) | ±1 LSB Max |
| 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
- Analog input range of 0-V to Reference Voltage
- Multiple analog inputs: 8 channels for TLC3548
- Pseudodifferential analog inputs
- SPI/DSP-compatible serial interfaces with SCLK up to 25 MHz
- Single 5-V analog supply; 3-/5-V digital supply
- Low power consumption: 4 mA (normal operation), 20 µA (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 TLC3548IDWR is suitable for various applications requiring high-resolution and 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 precise sensor data conversion
- Data acquisition systems in scientific and research environments
Q & A
- What is the resolution of the TLC3548IDWR ADC?
The TLC3548IDWR has a 14-bit resolution.
- What is the maximum throughput of the TLC3548IDWR?
The maximum throughput is 200 KSPS.
- How many analog input channels does the TLC3548IDWR have?
The TLC3548IDWR has 8 analog input channels.
- What is the operating temperature range of the TLC3548IDWR?
The operating temperature range is -40°C to 85°C.
- What type of package does the TLC3548IDWR come in?
The TLC3548IDWR comes in a 24-SOIC package.
- What are the power supply requirements for the TLC3548IDWR?
The device requires a single 5-V analog power supply and a 3-V to 5-V digital supply.
- What is the power consumption of the TLC3548IDWR in normal operation and autopower-down mode?
In normal operation, the power consumption is 4 mA (with internal reference: 1.8 mA), and in autopower-down mode, it is 20 µA.
- Does the TLC3548IDWR have built-in reference and conversion clock?
Yes, the TLC3548IDWR has a built-in 4-V reference and conversion clock.
- Can the sampling period be programmed on the TLC3548IDWR?
Yes, the sampling period can be hardware-controlled and programmable.
- Is the TLC3548IDWR compatible with SPI and DSP interfaces?
Yes, the TLC3548IDWR is compatible with both SPI and DSP interfaces.
