Overview
The DAC7811IDGSTG4 is a CMOS, 12-bit, current output digital-to-analog converter (DAC) produced by Texas Instruments. This 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 also supports daisy-chaining and data readback through its serial data out pin (SDO).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 12 | Bits | ||
| Supply Voltage | 2.7 | 5.5 | V | |
| Serial Interface Frequency | 50 | MHz | ||
| Multiplying Bandwidth | 10 | MHz | ||
| Reference Input Voltage | -15 | 15 | V | |
| Glitch Energy | 5 | nV-s | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Package Type | 10-lead VSSOP |
Key Features
- 2.7-V to 5.5-V supply operation, suitable for battery-powered applications.
- 50-MHz serial interface compatible with SPI, QSPI, MICROWIRE, and most DSP interface standards.
- 10-MHz multiplying bandwidth and ±15-V reference input.
- Low glitch energy of 5 nV-s.
- Extended temperature range: –40°C to +125°C.
- 12-bit monotonic and 4-quadrant multiplication.
- Power-on reset with brownout detection and daisy-chain mode.
- Readback function and 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 2.7 V to 5.5 V.
- What is the maximum frequency of the serial interface? The serial interface can operate up to 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? The reference input voltage can range from –15 V to 15 V.
- What is the glitch energy of the DAC7811? The glitch energy is 5 nV-s.
- What is the operating temperature range of the DAC7811? The operating temperature range is –40°C to +125°C.
- What package types are available for the DAC7811? The DAC7811 is available in a 10-lead VSSOP package.
- Does the DAC7811 support daisy-chaining? Yes, the DAC7811 supports daisy-chaining through its serial data out pin (SDO).
- Can the DAC7811 perform data readback? Yes, the DAC7811 allows data readback through its SDO pin).
