Overview
The DAC7551IDRNR is a 12-bit, ultra-low glitch, voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This single-channel DAC is renowned for its exceptional linearity, monotonicity, and low glitch energy, making it suitable for a variety of high-precision applications. The device operates from a single 2.7V to 5.5V supply and features a 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interface standards.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 | Bits | ||
| Relative Accuracy (INL) | ±0.35 | ±1 | LSB | |
| Differential Nonlinearity (DNL) | ±0.08 | ±0.5 | LSB | |
| Offset Error | ±12 | mV | ||
| Zero-Scale Error | ±12 | mV | ||
| Gain Error | ±0.15 | %FSR | ||
| Full-Scale Error | ±0.5 | %FSR | ||
| Settling Time | 5 | µs | ||
| Power Supply | 2.7 | 5.5 | V | |
| Normal Operation Current | 100 | 150 | 200 | µA |
| Power-Down Current | 0.05 | 2 | µA | |
| Operating Temperature Range | -40 | +105 | °C |
Key Features
- Ultra-low glitch energy: 0.1nV-s
- Low power operation: 100µA at 2.7V
- Power-on reset to zero scale
- Rail-to-rail voltage output
- SPI-compatible serial interface with Schmitt-trigger input up to 50MHz
- Daisy-chain capability
- Asynchronous hardware clear to zero scale
- External reference inputs (VREFH and VREFL)
- Power-down feature reducing current consumption to under 2µA
Applications
The DAC7551IDRNR is well-suited for various applications requiring high precision and low glitch energy, such as waveform generation, industrial voltage generation, and high-speed control loops. Its exceptional linearity and monotonicity make it ideal for applications from DC to 10kHz waveform generation.
Q & A
- What is the resolution of the DAC7551IDRNR?
The DAC7551IDRNR has a resolution of 12 bits. - What is the typical power consumption of the DAC7551IDRNR?
The typical power consumption is 150µA at 3.6V to 5.5V and 100µA at 2.7V to 3.6V. - What is the settling time of the DAC7551IDRNR?
The settling time is 5µs (max). - What is the operating temperature range of the DAC7551IDRNR?
The operating temperature range is -40°C to +105°C. - Does the DAC7551IDRNR support daisy-chain operation?
Yes, it supports daisy-chain operation. - What is the glitch energy of the DAC7551IDRNR?
The glitch energy is 0.1nV-s. - What type of serial interface does the DAC7551IDRNR use?
The DAC7551IDRNR uses a 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interface standards. - How does the power-down feature work on the DAC7551IDRNR?
The power-down feature reduces the current consumption to under 2µA. - What is the maximum clock rate for the serial interface of the DAC7551IDRNR?
The maximum clock rate is up to 50MHz. - Does the DAC7551IDRNR have a power-on reset feature?
Yes, it has a power-on reset feature that sets the DAC output to 0V.
