Overview
The TLC0838ING4 is an 8-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC0838 series, which includes various temperature grades and package options. The TLC0838ING4 is characterized for operation from –40°C to 85°C, making it suitable for a wide range of industrial and commercial applications. It features a successive-approximation register (SAR) architecture and supports single-ended, differential, and pseudodifferential input configurations, all controlled via a serial-data link from a controlling processor.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8 bits | |
| Number of Channels | 8 | |
| Input Type | Single-ended, Differential, Pseudodifferential | |
| Operating Temperature Range | –40°C to 85°C | °C |
| Supply Voltage | 4.5 V to 5.5 V | V |
| Clock Frequency | Up to 250 kHz | kHz |
| Package Type | 20-PDIP | |
| Conversion Time | 8 clock periods |
Key Features
- Software-Configurable Inputs: The device allows software configuration for single-ended, differential, or pseudodifferential input assignments.
- Serial Communication: Uses a serial-data link for communication with the controlling processor, eliminating the need for low-level analog signal transmission.
- Adjustable Reference Voltage: The voltage reference input can be adjusted to encode any smaller analog voltage span to the full 8 bits of resolution.
- Common-Mode Rejection: Differential analog voltage input allows for common-mode rejection or offset of the analog zero input voltage value.
- Low Supply Current: The device has a low supply current, making it energy-efficient.
Applications
- Industrial Automation: Suitable for various industrial automation applications due to its robust temperature range and flexible input configurations.
- Medical Devices: Can be used in medical devices requiring precise analog-to-digital conversion.
- Aerospace and Defense: Applicable in aerospace and defense systems where reliable and accurate data conversion is critical.
- Automotive Systems: Used in automotive systems for sensor data conversion and other control applications.
Q & A
- What is the resolution of the TLC0838ING4 ADC?
The TLC0838ING4 has an 8-bit resolution.
- How many channels does the TLC0838ING4 support?
The TLC0838ING4 supports 8 channels.
- What are the supported input types for the TLC0838ING4?
The device supports single-ended, differential, and pseudodifferential input configurations.
- What is the operating temperature range of the TLC0838ING4?
The operating temperature range is from –40°C to 85°C.
- What is the supply voltage range for the TLC0838ING4?
The supply voltage range is from 4.5 V to 5.5 V.
- How does the TLC0838ING4 communicate with the controlling processor?
The device uses a serial-data link for communication with the controlling processor.
- Can the reference voltage be adjusted on the TLC0838ING4?
Yes, the voltage reference input can be adjusted to encode any smaller analog voltage span to the full 8 bits of resolution.
- What is the typical conversion time for the TLC0838ING4?
The conversion is complete after 8 clock periods.
- Is the TLC0838ING4 suitable for industrial applications?
Yes, it is suitable for industrial applications due to its robust temperature range and flexible input configurations.
- Is the TLC0838ING4 still in production?
No, the TLC0838ING4 has been discontinued by Texas Instruments, but it may still be available from some distributors during the lifetime-buy period.
