Overview
The DAC7714U is a quad, serial input, 12-bit, voltage output Digital-to-Analog Converter (DAC) produced by Texas Instruments. This device is designed to provide guaranteed 12-bit monotonic performance over a wide temperature range of –40°C to +85°C. It features a low power consumption of up to 250mW and can operate in both unipolar and bipolar modes. The DAC7714U is housed in a small SO-16 package, making it ideal for applications requiring compact and reliable analog output solutions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Linearity Error | ±2 | ±1 | LSB | ||
| Linearity Matching | ±2 | ±1 | LSB | ||
| Differential Linearity Error | ±1 | ±1 | LSB | ||
| Monotonicity | TMIN to TMAX | 12 | 6 | Bits | |
| Zero-Scale Error | Code = 004H | ±4 | 6 | LSB | |
| Zero-Scale Drift | 2 | 6 | ppm/°C | ||
| Full-Scale Error | Code = FFFH | ±4 | 6 | LSB | |
| Power Supply Sensitivity | At Full Scale | 20 | 6 | mV/V | |
| Settling Time | 10µs | ||||
| Operating Temperature Range | –40°C | +85°C | °C | ||
| Supply Voltage | +14.25V | +15.75V | V | ||
| Package Type | 16-SOIC |
Key Features
- Low Power Consumption: Up to 250mW maximum power consumption.
- Unipolar or Bipolar Operation: Flexible operation modes to suit various application requirements.
- Settling Time: Fast settling time of 10µs to 0.012%.
- 12-Bit Linearity and Monotonicity: Guaranteed over the –40°C to +85°C temperature range.
- User Selectable Reset: Reset to either mid-scale (800H) or zero-scale (000H) via the RESETSEL pin.
- Small SO-16 Package: Compact packaging suitable for space-constrained applications.
- External Reference Inputs: Allows for precise control over output voltage ranges.
- Serial Interface: SPI-compatible serial data input for easy integration with digital systems.
Applications
- ATE Pin Electronics: Suitable for automated test equipment.
- Process Control: Ideal for controlling processes in industrial settings.
- Closed-Loop Servo-Control: Used in servo-control systems for precise control.
- Motor Control: Applicable in motor control systems for accurate voltage output.
- Data Acquisition Systems: Used in data acquisition systems for converting digital data to analog signals.
Q & A
- What is the DAC7714U?
The DAC7714U is a quad, serial input, 12-bit, voltage output Digital-to-Analog Converter (DAC) produced by Texas Instruments.
- What is the temperature range of the DAC7714U?
The DAC7714U operates over a temperature range of –40°C to +85°C.
- What is the settling time of the DAC7714U?
The settling time of the DAC7714U is 10µs to 0.012%.
- Can the DAC7714U operate in both unipolar and bipolar modes?
- How many DACs are integrated into the DAC7714U?
The DAC7714U integrates four independent DACs.
- What is the package type of the DAC7714U?
The DAC7714U is housed in a 16-SOIC package.
- What is the power consumption of the DAC7714U?
The maximum power consumption of the DAC7714U is 250mW.
- How does the reset function work on the DAC7714U?
The reset function sets all DAC output voltages and internal registers to either zero-scale (000H) or mid-scale (800H), selectable via the RESETSEL pin.
- What are the typical applications of the DAC7714U?
The DAC7714U is typically used in ATE pin electronics, process control, closed-loop servo-control, motor control, and data acquisition systems.
- What type of data interface does the DAC7714U use?
The DAC7714U uses a SPI-compatible serial data input interface.
