Overview
The TLC0838CDWRG4 is an 8-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the TLC0838 series, which includes 8-channel multiplexers with serial input/output capabilities. It is designed for easy integration with microprocessors or standalone operation, making it versatile for various applications. The TLC0838CDWRG4 operates with a single 5-V supply and supports both single-ended and differential input configurations, as well as pseudodifferential inputs. It features a conversion time of 32 µs at a clock frequency of 250 kHz and is compatible with TTL and MOS logic.
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 | 5 V | V |
| Operating Temperature Range | 0°C to 70°C (TLC0838C), –40°C to 85°C (TLC0838I) | °C |
| Package Type | 20-pin SOIC (DW) | |
| Input Capacitance | 5 pF | pF |
| Output Capacitance | 5 pF | pF |
| Total Unadjusted Error | ±1 LSB | LSB |
Key Features
- 8-bit resolution with successive-approximation conversion technique
- 8-channel multiplexer with software-configurable single-ended, differential, or pseudodifferential inputs
- Serial input/output interface compatible with standard shift registers and microprocessors
- Operates ratiometrically or with a 5-V reference voltage
- Remote operation capability with serial data link
- Compatibility with TTL and MOS logic
- Low conversion time of 32 µs at a clock frequency of 250 kHz
- Flexible input configuration including common-mode rejection and offset adjustment
Applications
- Industrial automation and process control systems
- Data acquisition systems
- Embedded systems requiring analog-to-digital conversion
- Remote sensing and monitoring applications
- Microprocessor or microcontroller-based systems
Q & A
- What is the resolution of the TLC0838CDWRG4?
The TLC0838CDWRG4 has an 8-bit resolution.
- How many channels does the TLC0838CDWRG4 support?
The TLC0838CDWRG4 supports 8 channels.
- What is the input voltage range for the TLC0838CDWRG4?
The input voltage range is 0 to 5 V.
- What is the conversion time of the TLC0838CDWRG4 at a clock frequency of 250 kHz?
The conversion time is 32 µs at a clock frequency of 250 kHz.
- What are the operating temperature ranges for the TLC0838CDWRG4?
The operating temperature ranges are 0°C to 70°C for the TLC0838C and –40°C to 85°C for the TLC0838I.
- What type of package does the TLC0838CDWRG4 come in?
The TLC0838CDWRG4 comes in a 20-pin SOIC (DW) package.
- Is the TLC0838CDWRG4 compatible with TTL and MOS logic?
- Can the TLC0838CDWRG4 be used in remote sensing applications?
- What is the total unadjusted error of the TLC0838CDWRG4?
The total unadjusted error is ±1 LSB.
- How does the TLC0838CDWRG4 handle differential inputs?
The TLC0838CDWRG4 can handle differential inputs by assigning polarity to adjacent channel pairs, and it also supports pseudodifferential inputs using a common input terminal.
