Overview
The DAC7811IDGST is a 12-bit, single-channel, 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 DAC7811 is available in a 10-lead VSSOP package and offers excellent 4-quadrant multiplication characteristics with a large signal multiplying bandwidth of 10 MHz.
Key Specifications
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resolution | Number of bits | 12 | Bits | ||
| Digital Supply Voltage | Operating voltage range | 2.7 | 5.5 | V | |
| Operating Temperature Range | Temperature range for operation | -40 | 125 | °C | |
| Package Type | Package style | VSSOP (DGS) | |||
| Pins | Number of pins in the package | 10 | |||
| Serial Interface Speed | Maximum serial interface speed | 50 | MHz | ||
| Multiplying Bandwidth | Maximum multiplying bandwidth | 10 | MHz | ||
| Reference Input Voltage | Range of reference input voltage | -15 | 15 | V | |
| Output Settling Time | Time for output to settle | 0.2 | µs | ||
| Glitch Energy | Maximum 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
- Low Glitch Energy: 5 nV-s
- Extended Temperature Range: –40°C to +125°C
- 10-Pin VSSOP Package
- 12-Bit Monotonic
- 4-Quadrant Multiplication
- Power-On Reset With Brownout Detection
- Daisy-Chain Mode
- Readback Function
- 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 DAC7811?
The DAC7811 has a resolution of 12 bits.
- What is the operating voltage range of the DAC7811?
The DAC7811 operates from a 2.7-V to 5.5-V power supply.
- What is the maximum serial interface speed of the DAC7811?
The maximum serial interface speed is 50 MHz.
- What is the multiplying bandwidth of the DAC7811?
The multiplying bandwidth is 10 MHz.
- What is the range of the reference input voltage for the DAC7811?
The reference input voltage range is ±15 V.
- How long does it take for the output of the DAC7811 to settle?
The output settling time is 0.2 µs.
- What is the glitch energy of the DAC7811?
The glitch energy is 5 nV-s.
- What is the temperature range for the DAC7811?
The operating temperature range is –40°C to +125°C.
- Does the DAC7811 support daisy-chaining?
- What package type is the DAC7811 available in?
The DAC7811 is available in a 10-lead VSSOP package.
