Overview
The TLV0838CDWRG4 is an 8-bit successive-approximation analog-to-digital converter (ADC) produced by Texas Instruments. This device features an input-configurable multichannel multiplexer and serial input/output, making it versatile for various analog-to-digital conversion applications. The TLV0838 is part of the TLV0838 series, which includes different temperature ranges and package options, with the 'CDWRG4' specifically indicating a SOIC (D) package and an operating temperature range of 0°C to 70°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8-bit | |
| Number of Channels | 8 | |
| Input Type | Single-ended, Differential, Pseudodifferential | |
| Operating Voltage (VCC) | 2.7 to 3.6 | V |
| Operating Temperature Range | 0°C to 70°C (C suffix) | °C |
| Clock Frequency (f(CLK)) at VCC = 3.3 V | Up to 600 kHz | kHz |
| Conversion Time | 8 clock periods | |
| Supply Current (ICC) | 0.2 to 0.75 | mA |
| Input Capacitance (Ci) | 5 | pF |
| Output Capacitance (Co) | 5 | pF |
Key Features
- Input Configuration: The TLV0838 allows software configuration for single-ended, differential, or pseudodifferential input assignments, providing flexibility in handling various analog input types.
- Serial Interface: The device features a serial input/output interface compatible with standard shift registers and microprocessors, enabling easy integration into digital systems.
- Adjustable Reference Voltage: The voltage reference input can be adjusted to encode any smaller analog voltage span to the full 8 bits of resolution, enhancing the device's versatility.
- Low Power Consumption: The TLV0838 has a low supply current, making it suitable for power-sensitive applications.
- High Accuracy: The device offers high accuracy with minimal offset, full-scale, linearity, and multiplexer errors, ensuring reliable conversion results.
Applications
- Industrial Automation: The TLV0838 can be used in industrial automation systems for monitoring and controlling various analog parameters such as temperature, pressure, and flow rate.
- Medical Devices: Its high accuracy and low power consumption make it suitable for medical devices that require precise analog-to-digital conversion, such as patient monitoring systems.
- Aerospace and Defense: The device's robustness and reliability in a wide temperature range make it a good fit for aerospace and defense applications.
- Automotive Systems: The TLV0838 can be integrated into automotive systems for sensor data acquisition and processing, such as in engine control units and safety systems.
Q & A
- What is the resolution of the TLV0838CDWRG4?
The TLV0838CDWRG4 has an 8-bit resolution.
- How many channels does the TLV0838CDWRG4 support?
The TLV0838CDWRG4 supports 8 channels.
- What are the input types supported by the TLV0838CDWRG4?
The device supports single-ended, differential, and pseudodifferential input types.
- What is the operating voltage range for the TLV0838CDWRG4?
The operating voltage range is from 2.7 V to 3.6 V.
- What is the maximum clock frequency for the TLV0838CDWRG4 at VCC = 3.3 V?
The maximum clock frequency is up to 600 kHz.
- How long does a conversion take on the TLV0838CDWRG4?
A conversion takes 8 clock periods.
- What is the typical supply current for the TLV0838CDWRG4?
The typical supply current is between 0.2 mA and 0.75 mA.
- Can the TLV0838CDWRG4 be used in high-temperature environments?
The 'CDWRG4' version is characterized for operation from 0°C to 70°C.
- How does the TLV0838CDWRG4 handle differential inputs?
The device allows differential inputs with configurable polarity and can also handle pseudodifferential inputs.
- Is the TLV0838CDWRG4 compatible with microprocessors?
Yes, the device is designed to interface with standard shift registers and microprocessors.
