TM7715 16-bit A/D Conversion Chip for Precision Measurement
TM7715 is a high-precision 16-bit A/D conversion chip designed for low-frequency measurements. It directly converts the small signals from sensors into digital output.
This chip features a single-channel differential analog input and utilizes SPI 3-wire serial communication for data transmission. With an integrated, configurable analog front-end, users can adjust the gain, signal polarity, and update rate. The TM7715 is equipped with both self-calibration and system calibration features to correct gain and offset errors, ensuring high accuracy in various applications.
The TM7715 offers exceptional noise immunity, high resolution, and low power consumption, making it ideal for a wide range of applications such as instrumentation, industrial control, and sensor interfacing. With power-down mode, the chip reduces power consumption during periods of inactivity, making it a reliable solution for low-power devices.
Product Features
| Feature | Description |
|---|---|
| Input Type | Single-channel differential input |
| Resolution | 16-bit Σ-Δ Analog-to-Digital Conversion |
| Nonlinearity | Integral nonlinearity less than 0.003% |
| Programmable Gain | 1, 2, 32, 128 |
| Communication | 3-wire SPI serial communication |
| Buffered Analog Input | Yes |
| Operating Voltage | 3V or 5V, ±5% range |
| Power Consumption (3V) | Maximum power consumption of 1mW |
| Power-down Mode Current | Maximum current of 8μA during power-down mode |
| Package Types | 16-pin DIP, SOIC, TSSOP |
Applications
- Instrumentation systems
- Industrial control applications
- Sensor interfacing
- Medical devices and measurement equipment
- Data acquisition systems
Why Choose TM7715?
The TM7715 is an excellent choice for high-precision applications where accuracy, stability, and low power consumption are critical. Its self-calibration and system calibration ensure that both gain and offset errors are minimized, making it highly reliable for industrial and measurement systems. Its low power consumption and high resolution are key features, making it the perfect solution for battery-powered devices.
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