Overview
The DAC7612UB/2K5 is a dual, 12-bit digital-to-analog converter (DAC) produced by Texas Instruments. This component is designed for high-performance applications requiring precise analog output. It features a serial input interface compatible with various DSPs and microcontrollers, and it operates on a single +5V supply. The DAC7612UB/2K5 includes an on-board reference, a dual DAC, and high-speed rail-to-rail output amplifiers, ensuring fast settling times and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 | - | - | Bits |
| Relative Accuracy | -1 | ±1/4 | +1 | LSB |
| Differential Nonlinearity | -1 | ±1/4 | +1 | LSB |
| Zero-Scale Error | -1 | ±1/2 | +3 | LSB |
| Full-Scale Voltage | 4.087 | 4.095 | 4.103 | V |
| Settling Time | - | 7 | - | µs |
| Power Supply Voltage | 4.75 | 5.0 | 5.25 | V |
| Power Dissipation | 3.5 | 7.5 | - | mW |
| Temperature Range | -40 | - | +85 | °C |
Key Features
- Low power consumption: 3.7mW
- Fast settling time: 7µs to ±1 LSB
- 12-bit linearity and monotonicity over the industrial temperature range
- On-board 2.435V reference
- Rail-to-rail output amplifiers
- 3-wire serial interface up to 20MHz clock
- Small package: 8-lead SOIC
Applications
- Process control
- Data acquisition systems
- Closed-loop servo-control
- PC peripherals
- Portable instrumentation
Q & A
- What is the resolution of the DAC7612UB/2K5?
The resolution of the DAC7612UB/2K5 is 12 bits. - What is the typical settling time of the DAC7612UB/2K5?
The typical settling time is 7µs to ±1 LSB of the final value. - What is the power supply voltage range for the DAC7612UB/2K5?
The power supply voltage range is from 4.75V to 5.25V. - What is the temperature range for the DAC7612UB/2K5?
The specified performance temperature range is from -40°C to +85°C. - What type of package is the DAC7612UB/2K5 available in?
The DAC7612UB/2K5 is available in an 8-lead SOIC package. - How does the serial interface of the DAC7612UB/2K5 work?
The serial interface includes a clock (CLK), serial data in (SDI), chip select (CS), and load DACs (LOADDACS) signals, allowing for communication with various DSPs and microcontrollers. - What is the full-scale voltage range of the DAC7612UB/2K5?
The full-scale voltage range is from 0V to 4.095V. - Is the DAC7612UB/2K5 suitable for high-frequency applications?
Yes, it has a high-speed rail-to-rail output amplifier and can handle capacitive loads up to 500pF. - How much power does the DAC7612UB/2K5 consume?
The power dissipation is typically 3.5mW to 7.5mW. - What are some common applications of the DAC7612UB/2K5?
Common applications include process control, data acquisition systems, closed-loop servo-control, PC peripherals, and portable instrumentation.
