Overview
The TLC0838IN is an 8-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC0834 and TLC0838 series, which are known for their successive-approximation conversion technique and serial communication interface. The TLC0838IN is characterized for operation from –40°C to 85°C, making it suitable for a wide range of environmental conditions. It features a 4- or 8-channel multiplexer with address logic, allowing for flexible input configurations including single-ended, differential, and pseudodifferential modes. The device is designed for easy integration with microprocessors and can operate in both standalone and remote configurations via a serial data link.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8 bits | |
| Number of Channels | 8 | |
| Input Range | 0 to 5 V | V |
| Conversion Time | 32 µs at fclock = 250 kHz | µs |
| Supply Voltage | 4.75 to 5.25 V | V |
| Operating Temperature | –40°C to 85°C | °C |
| High-Level Output Voltage | 4.6 V (VCC = 4.75 V, IOH = –10 µA) | V |
| Low-Level Output Voltage | 0.34 V (VCC = 5.25 V, IOL = 1.6 mA) | V |
| Total Unadjusted Error | ±1 LSB | LSB |
Key Features
- 8-bit successive-approximation analog-to-digital conversion
- 8-channel multiplexer with address logic for flexible input configurations
- Single-ended, differential, and pseudodifferential input modes
- Serial input/output interface compatible with standard shift registers and microprocessors
- Remote operation capability via serial data link
- Inputs and outputs compatible with TTL and MOS logic
- Adjustable voltage reference input to encode smaller analog voltage spans
- Low conversion time of 32 µs at a clock frequency of 250 kHz
Applications
The TLC0838IN is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Aerospace and defense systems where temperature stability is crucial
- Automotive systems for sensor data acquisition
- Embedded systems and IoT devices requiring efficient and reliable ADCs
Q & A
- What is the resolution of the TLC0838IN ADC?
The TLC0838IN has an 8-bit resolution. - How many channels does the TLC0838IN have?
The TLC0838IN has 8 channels. - What is the input voltage range for the TLC0838IN?
The input voltage range is 0 to 5 V. - What is the conversion time of the TLC0838IN at a clock frequency of 250 kHz?
The conversion time is 32 µs. - What are the operating temperature ranges for the TLC0838IN?
The operating temperature range is –40°C to 85°C. - Can the TLC0838IN operate in differential and pseudodifferential modes?
Yes, the TLC0838IN supports both differential and pseudodifferential input modes. - Is the TLC0838IN compatible with microprocessors?
Yes, it is designed for easy integration with microprocessors and standard shift registers. - What is the total unadjusted error of the TLC0838IN?
The total unadjusted error is ±1 LSB. - Can the TLC0838IN be used in remote operations?
Yes, it supports remote operation via a serial data link. - What is the supply voltage range for the TLC0838IN?
The supply voltage range is 4.75 to 5.25 V.
