Overview
The DAC7554IDGSR, produced by Texas Instruments, is a 12-bit, quad-channel, voltage-output digital-to-analog converter (DAC) known for its exceptional linearity, monotonicity, and low glitch energy. This device operates from a single 2.7-V to 5.5-V supply and features a 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interface standards. The DAC7554 is designed for low-power consumption, making it ideal for battery-operated portable applications and industrial process control systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Number of Channels | 4 | |
| Operating Voltage | 2.7 V to 5.5 V | |
| Operating Temperature | -40°C to 105°C | |
| Settling Time | 5 µs (Max) | |
| Glitch Energy | 0.1 nV-s | |
| Crosstalk | -100 dB | |
| Power Consumption (Normal Operation) | 880 µA (Max) at 5 V, 550 µA (Max) at 3 V | |
| Power Consumption (Power-Down Mode) | 2 µA (Max) | |
| Package | 10-Lead MSOP |
Key Features
- Exceptional linearity and monotonicity with integral linearity error of ±0.35 LSB and differential linearity error of ±0.08 LSB.
- Rail-to-rail voltage output with a settling time of 5 µs.
- Ultralow glitch energy of 0.1 nV-s and low crosstalk of -100 dB.
- Low power consumption with typical power-down current of under 1 µA.
- Per-channel power down capability with flexible output impedance options.
- 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interface standards, operating up to 50 MHz.
- Power-on reset to zero scale and simultaneous or sequential update of DAC outputs.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- Industrial process control.
Q & A
- What is the resolution of the DAC7554IDGSR?
The DAC7554IDGSR has a resolution of 12 bits. - How many channels does the DAC7554IDGSR have?
The DAC7554IDGSR is a quad-channel DAC. - What is the operating voltage range of the DAC7554IDGSR?
The operating voltage range is from 2.7 V to 5.5 V. - What is the settling time of the DAC7554IDGSR?
The settling time is 5 µs (Max). - What is the glitch energy of the DAC7554IDGSR?
The glitch energy is 0.1 nV-s. - How much power does the DAC7554IDGSR consume in normal operation?
The power consumption is typically 880 µA (Max) at 5 V and 550 µA (Max) at 3 V. - What is the power consumption in power-down mode?
The power consumption in power-down mode is 2 µA (Max). - What type of package does the DAC7554IDGSR come in?
The DAC7554IDGSR comes in a 10-Lead MSOP package. - Is the DAC7554IDGSR compatible with SPI and other serial interfaces?
Yes, it is compatible with SPI, QSPI, Microwire, and DSP interface standards. - What is the maximum clock rate of the serial interface?
The serial interface operates up to 50 MHz.
