Overview
The DAC7731E is a 16-bit Digital-to-Analog Converter (DAC) manufactured by Texas Instruments. It is designed for high-performance applications in industries such as industrial automation, process control, and data acquisition systems. This device provides 16 bits of monotonic performance over the specified operating temperature range and features a +10V internal reference. The DAC7731E is versatile, offering configurable output voltage ranges of ±10V, ±5V, or +10V, and supports both unipolar and bipolar operation through pin strapping.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 bits | |
| Interface Type | SPI-compatible serial interface | |
| Output Type | Buffered Voltage | |
| Settling Time | 5µs to ±0.003% FSR | |
| Reference Type | Internal (+10V) or External | |
| Output Voltage Range | ±10V, ±5V, or +10V | |
| Power Consumption (Typical) | 100mW | |
| Operating Temperature Range | -40°C to +85°C | |
| Package | SSOP-24 |
Key Features
- Low Power: 150mW maximum
- +10V Internal Reference
- Unipolar or Bipolar Operation
- Settling Time: 5µs to ±0.003% FSR
- 16-bit Monotonicity, -40°C to +85°C
- ±10V, ±5V, or +10V Configurable Voltage Output
- Reset to Zero or Mid-Scale
- Double-Buffered Data Input
- Daisy-Chain Feature for Multiple DAC7731s
- Small SSOP-24 Package
Applications
- Process Control: Ideal for precision control applications where high accuracy is required.
- Automatic Test Equipment (ATE): Suitable for ATE pin electronics.
- Closed-Loop Servo Control: Used in servo control systems that require precise feedback.
- Motor Control: Designed for motor control applications that require precise speed or position control.
- Data Acquisition Systems: Ideal for data acquisition systems where high-precision analog-to-digital conversion is required.
Q & A
- Q: What is the resolution of the DAC7731E?
A: The DAC7731E has a 16-bit resolution. - Q: Can the DAC7731E be used in industrial automation applications?
A: Yes, the DAC7731E is suitable for various industrial automation applications, including process control and motor control. - Q: What are the configurable output voltage ranges of the DAC7731E?
A: The DAC7731E can be configured for output voltage ranges of ±10V, ±5V, or +10V. - Q: What is the settling time of the DAC7731E?
A: The settling time of the DAC7731E is 5µs to ±0.003% FSR. - Q: Does the DAC7731E support both unipolar and bipolar operation?
A: Yes, the DAC7731E supports both unipolar and bipolar operation through pin strapping. - Q: What type of interface does the DAC7731E use?
A: The DAC7731E uses a SPI-compatible serial interface. - Q: What is the power consumption of the DAC7731E?
A: The typical power consumption of the DAC7731E is 100mW. - Q: What is the operating temperature range of the DAC7731E?
A: The operating temperature range of the DAC7731E is -40°C to +85°C. - Q: Can multiple DAC7731Es be daisy-chained?
A: Yes, the DAC7731E features a daisy-chain capability for multiple devices on a single bus. - Q: What package type is the DAC7731E available in?
A: The DAC7731E is available in a SSOP-24 package.
