Overview
The DAC8811IBDRBTG4, developed by Texas Instruments, is a 16-bit, serial input multiplying digital-to-analog converter (DAC). This device is designed to operate from a single 2.7-V to 5.5-V supply, making it versatile for various applications. The DAC8811 features a high-speed, three-wire serial interface compatible with most digital signal processors (DSPs) and microcontrollers, using data-in (SDI), clock (CLK), and chip-select (CS) inputs. On power-up, the DAC register is initialized with zeroes, setting the DAC output to zero scale. The device is packaged in compact 8-lead VSON and VSSOP packages, enhancing its suitability for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 Bits | |||
| Analog Power Supply (VDD) | 2.7 | 5.5 | V | |
| Full-Scale Current | 2 mA ±20% (with VREF = 10 V) | |||
| Settling Time | 0.5 μs | |||
| Serial Interface Speed | 50 MHz | |||
| Reference Input Range (VREF) | -15 | 15 | V | |
| Reference Bandwidth | 10 MHz | |||
| Differential Nonlinearity (DNL) | ±0.5 | ±1 | LSB | |
| Integral Nonlinearity (INL) | ±1 | ±2 | LSB | |
| Output Leakage Current | 10 nA | |||
| Power Consumption (IDD) | 2 μA | |||
Key Features
- 16-bit resolution with monotonicity guaranteed
- Low noise: 12 nV/√Hz
- Low power consumption: IDD = 2 μA
- High-speed 50-MHz serial interface
- Fast settling time: 0.5 μs
- 4-quadrant multiplying reference with ±10-V reference input
- Reference dynamics: –105 THD
- Tiny 8-lead VSON and VSSOP packages
- Industry-standard pin configuration
Applications
- Automatic Test Equipment
- Instrumentation
- Digitally Controlled Calibration
- Industrial Control PLCs
Q & A
- What is the resolution of the DAC8811?
The DAC8811 has a 16-bit resolution.
- What is the operating voltage range of the DAC8811?
The DAC8811 operates from a single 2.7-V to 5.5-V supply.
- What is the full-scale current of the DAC8811?
The full-scale current is 2 mA ±20% with VREF = 10 V.
- How fast is the serial interface of the DAC8811?
The serial interface operates at up to 50 MHz.
- What is the settling time of the DAC8811?
The settling time is 0.5 μs.
- What is the reference input range of the DAC8811?
The reference input range is –15 V to 15 V.
- What are the typical applications of the DAC8811?
Typical applications include Automatic Test Equipment, Instrumentation, Digitally Controlled Calibration, and Industrial Control PLCs.
- What is the power consumption of the DAC8811?
The power consumption is typically 2 μA.
- What are the package options for the DAC8811?
The DAC8811 is available in 8-lead VSON and VSSOP packages.
- How does the DAC8811 handle temperature tracking?
The DAC8811 includes an internal feedback resistor (RFB) that provides temperature tracking for the full-scale output when combined with an external I-to-V precision amplifier.
