Overview
The DAC7811IDGS is a 12-bit, serial input, multiplying digital-to-analog converter (DAC) produced by Texas Instruments. This CMOS device operates from a 2.7-V to 5.5-V power supply, making it suitable for battery-powered and various other applications. It features a double-buffered 3-wire serial interface compatible with SPI, QSPI™, MICROWIRE, and most DSP interface standards. The DAC7811IDGS is known for its excellent 4-quadrant multiplication characteristics and a large signal multiplying bandwidth of 10 MHz. It is available in a 10-lead VSSOP package.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 12 | Bits | ||
| Supply Voltage | 2.7 | 5.5 | V | |
| Serial Clock Frequency | 50 | MHz | ||
| Multiplying Bandwidth | 10 | MHz | ||
| Reference Input Range | -15 | 15 | V | |
| Operating Temperature | -40 | 125 | °C | |
| Package Type | 10-lead VSSOP | |||
| Output Leakage Current | -25 | 25 | nA | |
| Full-Scale Gain Error | -10 | 10 | mV | |
| Glitch Energy | 5 | nV-s |
Key Features
- 2.7-V to 5.5-V supply operation
- 50-MHz serial interface compatible with SPI, QSPI™, MICROWIRE, and most DSP interface standards
- 10-MHz multiplying bandwidth
- ±15-V reference input range
- Low glitch energy: 5 nV-s
- Extended temperature range: -40°C to +125°C
- Power-on reset with brownout detection
- Daisy-chain mode for multiple device operation
- Readback function to read DAC register contents
- Industry-standard pin configuration
Applications
- Portable battery-powered instruments
- Waveform generators
- Analog processing
- Programmable amplifiers and attenuators
- Digitally controlled calibration
- Programmable filters and oscillators
- Composite video
- Ultrasound
Q & A
- What is the resolution of the DAC7811IDGS?
The DAC7811IDGS has a resolution of 12 bits. - What is the operating voltage range of the DAC7811IDGS?
The DAC7811IDGS operates from a 2.7-V to 5.5-V power supply. - What is the maximum serial clock frequency of the DAC7811IDGS?
The maximum serial clock frequency is 50 MHz. - What is the multiplying bandwidth of the DAC7811IDGS?
The multiplying bandwidth is 10 MHz. - What is the reference input range of the DAC7811IDGS?
The reference input range is ±15 V. - Does the DAC7811IDGS support daisy-chaining?
Yes, the DAC7811IDGS supports daisy-chaining for multiple device operation. - What is the package type of the DAC7811IDGS?
The DAC7811IDGS is available in a 10-lead VSSOP package. - What is the glitch energy of the DAC7811IDGS?
The glitch energy is 5 nV-s. - What are some common applications of the DAC7811IDGS?
Common applications include portable battery-powered instruments, waveform generators, analog processing, and more. - Does the DAC7811IDGS have a power-on reset feature?
Yes, the DAC7811IDGS has a power-on reset feature with brownout detection.
