Overview
The DAC7578SRGET, produced by Texas Instruments, is a 12-bit, octal-channel, ultra-low glitch, voltage-output digital-to-analog converter (DAC). This device is part of the DAC5578, DAC6578, and DAC7578 family, which are known for their low power consumption, good linearity, and minimal code-to-code transient voltages (glitch). The DAC7578 is particularly suited for applications requiring high precision and low power, making it ideal for portable, battery-operated equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Relative Accuracy | 1 LSB INL |
| Glitch Energy | 0.15 nV-s |
| Power-On Reset | Zero Scale or Midscale |
| Power Consumption | 0.13 mA/ch at 5V |
| Power-Supply Range | +2.7V to +5.5V |
| Serial Interface | 2-Wire I2C compatible, up to 3.4 MHz |
| Temperature Range | –40°C to +125°C |
| Package | QFN-24 (RGE) |
Key Features
- Ultra-low glitch and low power operation, making it suitable for battery-operated devices.
- 2-Wire I2C-compatible serial interface with clock rates up to 3.4 MHz.
- Power-on reset to zero scale or midscale.
- Wide power-supply range from +2.7V to +5.5V.
- Small footprint in a 4x4 QFN-24 package.
- Low power-down current of typically 0.42 μA at 5V.
- Good linearity and minimal code-to-code transient voltages.
Applications
- Portable Instrumentation
- Closed-Loop Servo Control
- Process Control
- Data Acquisition Systems
Q & A
- What is the resolution of the DAC7578?
The DAC7578 has a resolution of 12 bits. - What is the relative accuracy of the DAC7578?
The relative accuracy of the DAC7578 is 1 LSB INL. - What is the glitch energy of the DAC7578?
The glitch energy of the DAC7578 is 0.15 nV-s. - How does the power-on reset function work on the DAC7578?
The DAC7578 has a power-on reset to zero scale or midscale, depending on the package type. - What is the power consumption of the DAC7578 per channel?
The power consumption of the DAC7578 is 0.13 mA/ch at 5V. - What is the operating temperature range of the DAC7578?
The operating temperature range of the DAC7578 is –40°C to +125°C. - What type of serial interface does the DAC7578 use?
The DAC7578 uses a 2-Wire I2C-compatible serial interface. - Can multiple DAC7578 devices share the same bus?
Yes, multiple DAC7578 devices can share the same bus. - What is the typical power-down current of the DAC7578?
The typical power-down current of the DAC7578 is 0.42 μA at 5V. - In what package is the DAC7578SRGET available?
The DAC7578SRGET is available in a 4x4 QFN-24 package.
