Overview
The DAC7554IDGSRG4, produced by Texas Instruments, is a 12-bit, quad-channel, voltage-output digital-to-analog converter (DAC) known for its exceptional linearity and monotonicity. This device operates from a single 2.7-V to 5.5-V supply and features a proprietary architecture that minimizes undesired transients such as code-to-code glitch and channel-to-channel crosstalk. The DAC7554 is designed for low-power operation, making it ideal for battery-operated portable applications. It is available in a small 10-lead MSOP package and is specified over a temperature range of –40°C to 105°C.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Supply Voltage | 2.7 V to 5.5 V | |
| Relative Accuracy | ±0.35 LSB | |
| Differential Nonlinearity | ±0.08 LSB | |
| Offset Error | ±12 mV | |
| Gain Error | ±0.15 %FSR | |
| Settling Time | 5 µs (Max) | |
| Glitch Energy | 0.1 nV-s | |
| Crosstalk | –100 dB | |
| Power Consumption | 880 µA (Max) | |
| Power-Down Current | 2 µA (Max) | |
| Serial Interface Clock Rate | Up to 50 MHz | |
| Operating Temperature Range | –40°C to 105°C |
Key Features
- Quad-channel, voltage-output DAC with 12-bit resolution and exceptional linearity and monotonicity.
- Ultralow glitch energy of 0.1 nV-s, minimizing undesired transients.
- Rail-to-rail voltage output with a settling time of 5 µs (Max).
- Low power consumption: 880 µA (Max) at 5 V and 2 µA (Max) in power-down mode.
- Per-channel power down with selectable output impedance (1 kΩ, 100 kΩ, or Hi-Z).
- 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.
- Small 10-lead MSOP package.
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 DAC7554?
The DAC7554 has a 12-bit resolution.
- What is the supply voltage range for the DAC7554?
The DAC7554 operates from a single 2.7-V to 5.5-V supply.
- What is the typical glitch energy of the DAC7554?
The glitch energy is typically 0.1 nV-s).
- How long does it take for the DAC7554 to settle?
The settling time is 5 µs (Max)).
- What is the power consumption of the DAC7554 in normal operation and power-down mode?
The power consumption is typically 880 µA (Max) in normal operation and 2 µA (Max) in power-down mode).
- What serial interface standards is the DAC7554 compatible with?
The DAC7554 is compatible with SPI, QSPI, Microwire, and DSP interface standards).
- Can the DAC7554 outputs be updated simultaneously or sequentially?
Yes, the outputs of all DACs may be updated simultaneously or sequentially).
- What is the operating temperature range of the DAC7554?
The operating temperature range is –40°C to 105°C).
- What package type is the DAC7554 available in?
The DAC7554 is available in a 10-lead MSOP package).
- What are some typical applications of the DAC7554?
Typical applications include portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, programmable attenuators, and industrial process control).
