Overview
The TLC0838CDWR is an 8-bit, 8-channel analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for use in microprocessor-based systems and standalone applications, offering a serial output interface for efficient data communication. It features a successive-approximation conversion technique and supports single-ended, differential, and pseudodifferential input configurations. The TLC0838CDWR is available in a 20-pin SOIC package and is characterized for operation from 0°C to 70°C, making it suitable for a wide range of industrial and commercial applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resolution | - | - | - | 8 bits | - |
| Number of Channels | - | - | - | 8 | - |
| Conversion Rate | - | - | - | 20 kSPS | - |
| Input Voltage Range | - | 0 | - | VCC | V |
| Operating Temperature Range | - | 0°C | - | 70°C | °C |
| Supply Voltage | - | 4.75 V | 5 V | 5.25 V | V |
| High-Level Output Voltage | VCC = 4.75 V, IOH = –360 µA | 2.8 V | 4.6 V | - | V |
| Low-Level Output Voltage | VCC = 5.25 V, IOL = 1.6 mA | 0.34 V | 0.4 V | - | V |
| Conversion Time | - | - | - | 8 clock periods | - |
Key Features
- Input Configurations: Supports single-ended, differential, and pseudodifferential input configurations.
- Serial Communication: Uses a serial-data link for communication with the controlling processor, allowing for noise-free digital data transmission.
- Software-Configurable Multiplexer: Channel selection and input configuration are under software control.
- Adjustable Reference Voltage: The voltage reference input can be adjusted to encode any smaller analog voltage span to the full 8 bits of resolution.
- Low Power Consumption: Efficient power management with supply current varying with clock frequency and temperature.
- Compact Packaging: Available in 20-pin SOIC, PDIP, and TSSOP packages.
Applications
- Industrial Automation: Suitable for monitoring and control systems in industrial environments.
- Medical Devices: Can be used in medical equipment requiring precise analog-to-digital conversion.
- Aerospace and Defense: Applicable in various military and aerospace applications due to its robust specifications.
- Automotive Systems: Used in automotive sensors and control systems.
- Consumer Electronics: Found in various consumer electronic devices requiring analog-to-digital conversion.
Q & A
- What is the resolution of the TLC0838CDWR ADC?
The TLC0838CDWR has an 8-bit resolution.
- How many channels does the TLC0838CDWR support?
The TLC0838CDWR supports 8 channels.
- What is the conversion rate of the TLC0838CDWR?
The conversion rate is 20 kSPS (kilosamples per second).
- What are the supported input configurations for the TLC0838CDWR?
The device supports single-ended, differential, and pseudodifferential input configurations.
- How is the multiplexer configured in the TLC0838CDWR?
The multiplexer is software-configurable using a serial-data link.
- What is the operating temperature range for the TLC0838CDWR?
The operating temperature range is from 0°C to 70°C.
- What is the supply voltage range for the TLC0838CDWR?
The supply voltage range is from 4.75 V to 5.25 V.
- How long does a conversion take for the TLC0838CDWR?
A conversion takes 8 clock periods.
- What types of packages are available for the TLC0838CDWR?
The device is available in SOIC, PDIP, and TSSOP packages.
- What are some common applications for the TLC0838CDWR?
Common applications include industrial automation, medical devices, aerospace and defense, automotive systems, and consumer electronics.
