Overview
The DAC7611UB/2K5 is a 12-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for high-performance applications and offers guaranteed 12-bit monotonicity and linearity over the industrial temperature range of –40°C to +85°C. It operates on a single +5V supply and includes an input shift register, latch, a 2.435V internal reference, a 12-bit DAC, and a high-speed rail-to-rail output amplifier. The DAC7611UB/2K5 is suitable for various industrial and commercial applications requiring precise analog output from digital inputs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 12 | |
| Number of D/A Converters | 1 | |
| Settling Time | 7µs (Typ) | |
| Output Type | Voltage - Buffered | |
| Differential Output | No | |
| Data Interface | SPI (3-wire) | |
| Reference Type | Internal (2.435V) | |
| Voltage - Supply, Analog/Digital | 5V | |
| INL/DNL (LSB) | ±0.25, ±0.25 | |
| Architecture | R-2R | |
| Operating Temperature | –40°C to +85°C | |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) |
Key Features
- Low Power Consumption: The DAC7611UB/2K5 consumes only 2.5mW of power at 5V supply.
- Fast Settling Time: The output settles to 1 LSB within 7µs.
- Precision Output: The device offers a full-scale range of approximately 0V to 4.095V with a least significant bit (LSB) of 1mV.
- Internal Reference: Includes a 2.435V internal reference voltage.
- Monotonicity and Linearity: Guaranteed 12-bit monotonicity and linearity over the industrial temperature range.
- Asynchronous Reset: An asynchronous clear input to reset the DAC register to 0V.
- 3-Wire Interface: Compatible with a wide variety of DSPs and microcontrollers, with a clock speed up to 20MHz.
- Rail-to-Rail Output Amplifier: A precision, low-power amplifier buffers the DAC output, providing low offset voltage and low noise.
Applications
The DAC7611UB/2K5 is suitable for a variety of applications, including:
- Industrial control systems
- Automotive systems
- Medical devices
- Aerospace and defense systems
- Test and measurement equipment
- Audio and video equipment
Q & A
- What is the resolution of the DAC7611UB/2K5?
The DAC7611UB/2K5 is a 12-bit digital-to-analog converter.
- What is the operating temperature range of the DAC7611UB/2K5?
The device operates over the industrial temperature range of –40°C to +85°C.
- What is the supply voltage for the DAC7611UB/2K5?
The device requires a single +5V supply.
- What is the settling time of the DAC7611UB/2K5?
The output settles to 1 LSB within 7µs.
- Does the DAC7611UB/2K5 have an internal reference voltage?
Yes, it includes a 2.435V internal reference voltage.
- What is the data interface type of the DAC7611UB/2K5?
The device uses a 3-wire SPI interface.
- What is the package type of the DAC7611UB/2K5?
The device is available in an 8-lead SOIC package.
- Is the DAC7611UB/2K5 suitable for high-speed applications?
Yes, it has a clock speed up to 20MHz and fast settling time, making it suitable for high-speed applications.
- Does the DAC7611UB/2K5 have an asynchronous reset feature?
Yes, it has an asynchronous clear input to reset the DAC register to 0V.
- What is the power consumption of the DAC7611UB/2K5?
The device consumes 2.5mW of power at 5V supply.
