Overview
The DAC7644EG4 is a 16-bit, quad voltage output digital-to-analog converter (DAC) produced by Burr-Brown, now a part of Texas Instruments. This device is designed to offer high precision and reliability, making it suitable for a variety of applications requiring accurate analog signal generation. The DAC7644EG4 operates over a temperature range of –40°C to +85°C and is available in a 48-lead SSOP package.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 bits | |||
| Linearity Error | ±3 | ±4 | ±2 | LSB |
| Differential Linearity Error | ±2 | ±3 | ±1 | LSB |
| Monotonicity | Guaranteed 15-bit | |||
| Settling Time | 10µs | 0.003% | ||
| Power Supply | +4.75V | +5.0V | +5.25V | V |
| Current Consumption | 1.5mA | 2mA | mA | |
| Power Dissipation | 15mW | 20mW | mW | |
| Temperature Range | –40°C | +85°C | °C |
Key Features
- Low power consumption: 10mW
- Unipolar or bipolar operation
- Fast settling time: 10µs to 0.003%
- 15-bit linearity and monotonicity over the specified temperature range
- Programmable asynchronous reset to mid-scale or zero-scale
- Data readback capability
- Double-buffered DAC input logic
Applications
- Process control
- Closed-loop servo-control
- Motor control
- Data acquisition systems
- DAC-per-pin programmers
- Automatic test equipment
Q & A
- What is the resolution of the DAC7644EG4? The DAC7644EG4 has a resolution of 16 bits.
- What is the typical power consumption of the DAC7644EG4? The typical power consumption is 20mW.
- What is the settling time of the DAC7644EG4? The settling time is 10µs to 0.003%.
- Can the DAC7644EG4 operate in both unipolar and bipolar modes? Yes, it can operate in both unipolar and bipolar modes.
- What is the temperature range over which the DAC7644EG4 is specified? The temperature range is –40°C to +85°C.
- Does the DAC7644EG4 have a data readback feature? Yes, it has a data readback feature.
- What type of package is the DAC7644EG4 available in? It is available in a 48-lead SSOP package.
- Can the DAC7644EG4 be reset to mid-scale or zero-scale? Yes, it can be programmably reset to either mid-scale or zero-scale.
- What are some common applications of the DAC7644EG4? Common applications include process control, closed-loop servo-control, motor control, data acquisition systems, and DAC-per-pin programmers.
- Is the DAC7644EG4 still in production? No, the DAC7644EG4 is no longer manufactured, but substitutes may be available.
