Overview
The DAC7614UB/1K 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 classic R-2R ladder configuration followed by an operational amplifier that serves as a buffer, ensuring high accuracy and stability. The DAC7614UB/1K can be powered from either a single +5V supply or dual ±5V supplies, making it versatile for various applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Linearity Error | VSS = 0V or –5V | ±2 | ±1 | ±2 | LSB |
| Linearity Matching | VSS = 0V or –5V | ±2 | ±1 | ±2 | LSB |
| Differential Linearity Error | VSS = 0V or –5V | ±1 | ±1 | ±1 | LSB |
| Monotonicity | 12 | 12 | 12 | Bits | |
| Zero-Scale Error | Code = 000H | ±4 | ±4 | ±6 | LSB |
| Settling Time | 10µs | ||||
| Power Consumption | 20mW | ||||
| Operating Temperature Range | –40°C | +85°C | °C | ||
| Package Type | 16-lead SOIC, 20-lead SSOP |
Key Features
- Low Power Consumption: 20mW, making it suitable for power-sensitive applications.
- Unipolar or Bipolar Operation: Flexible operation modes to accommodate different system requirements.
- Fast Settling Time: 10µs to 0.012%, ensuring quick and accurate conversions.
- 12-Bit Linearity and Monotonicity: Guaranteed performance over the –40°C to +85°C temperature range.
- User Selectable Reset: Resets all DAC registers to either mid-scale (800H) or zero-scale (000H) via the RESETSEL pin.
- Second-Source for DAC8420: Provides an alternative to the DAC8420.
- Small Package Options: Available in 16-pin plastic DIP, 16-lead SOIC, or 20-lead SSOP packages.
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 and stable operation.
- Data Acquisition Systems: Used in data acquisition systems for converting digital signals to analog outputs.
Q & A
- What is the resolution of the DAC7614UB/1K?
The DAC7614UB/1K has a 12-bit resolution.
- What is the operating temperature range of the DAC7614UB/1K?
The operating temperature range is –40°C to +85°C.
- What are the power supply options for the DAC7614UB/1K?
The device can be powered from either a single +5V supply or dual ±5V supplies.
- What is the settling time of the DAC7614UB/1K?
The settling time is 10µs to 0.012%.
- Does the DAC7614UB/1K support unipolar and bipolar operation?
Yes, it supports both unipolar and bipolar operation.
- How does the reset function work on the DAC7614UB/1K?
The reset function sets all DAC registers to either mid-scale (800H) or zero-scale (000H), selectable via the RESETSEL pin.
- What are the package options available for the DAC7614UB/1K?
The device is available in 16-pin plastic DIP, 16-lead SOIC, or 20-lead SSOP packages.
- What is the power consumption of the DAC7614UB/1K?
The power consumption is 20mW.
- Is the DAC7614UB/1K suitable for data acquisition systems?
Yes, it is suitable for data acquisition systems due to its high accuracy and stability.
- Can the DAC7614UB/1K be used in motor control applications?
Yes, it can be used in motor control applications for precise and stable operation.
