Overview
The TLC7135CN is a precision analog-to-digital converter (ADC) produced by Texas Instruments. This 4.5-digit integrating ADC is designed for high-accuracy measurement applications, offering exceptional linearity and noise rejection. The TLC7135CN is well-suited for digital panel meters, data acquisition systems, and other precision measurement instruments. Its unique selling points include its high resolution, low power consumption, and ease of interfacing with microcontrollers or display drivers, making it a competitive choice in the market for precision ADCs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 4.5 digits | - | Equivalent to 20,000 counts |
| Input Voltage Range | ±2 V | V | Differential input |
| Conversion Rate | 3 | conversions/s | - |
| Supply Voltage | ±5 V | V | Dual supply |
| Power Consumption | 10 | mW | Typical |
| Operating Temperature | 0 to 70 | °C | - |
| Package | PDIP-28 | - | Plastic dual in-line package |
Key Features
- High Resolution: Provides 4.5-digit resolution for precise measurements.
- Low Power Consumption: Ideal for battery-operated devices.
- Auto-Zero Cycle: Ensures accurate zero readings.
- Easy Interface: Compatible with microcontrollers and display drivers.
- Noise Rejection: Excellent 50 Hz/60 Hz noise rejection for stable readings.
Applications
The TLC7135CN is widely used in applications requiring high-precision analog-to-digital conversion. Its primary application areas include:
- Digital Panel Meters: Provides accurate readings for voltage, current, and other parameters.
- Data Acquisition Systems: Ensures precise data collection in industrial and scientific environments.
- Portable Measurement Instruments: Ideal for handheld devices due to its low power consumption.
- Automotive Electronics: Used in diagnostic tools and sensors requiring high accuracy.
Q & A
1. What is the resolution of the TLC7135CN?
The TLC7135CN offers a resolution of 4.5 digits, equivalent to 20,000 counts.
2. What is the input voltage range?
The input voltage range is ±2 V differential.
3. How fast is the conversion rate?
The conversion rate is 3 conversions per second.
4. What is the power consumption of the TLC7135CN?
The typical power consumption is 10 mW.
5. What is the operating temperature range?
The operating temperature range is 0 to 70 °C.
6. What package does the TLC7135CN come in?
It comes in a PDIP-28 (Plastic Dual In-line Package).
7. Is the TLC7135CN suitable for battery-operated devices?
Yes, its low power consumption makes it ideal for battery-operated devices.
8. Does the TLC7135CN support noise rejection?
Yes, it provides excellent 50 Hz/60 Hz noise rejection.
9. Can the TLC7135CN interface with microcontrollers?
Yes, it is designed for easy interfacing with microcontrollers and display drivers.
10. What are the typical applications of the TLC7135CN?
Typical applications include digital panel meters, data acquisition systems, portable measurement instruments, and automotive electronics.
