Overview
The DAC8550IBDGKRG4, produced by Texas Instruments, is a 16-bit, ultra-low glitch, voltage output digital-to-analog converter (DAC). This device is designed to be small, low-power, and highly accurate, making it ideal for various applications requiring precise analog output. The DAC8550 operates with a versatile 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces, and it supports clock rates up to 30 MHz. It features a power-on reset to midscale and includes an on-chip output buffer amplifier with rail-to-rail operation. The device is monotonic, ensuring good linearity and minimizing undesired code-to-code transient voltages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 | Bits |
| Relative Accuracy | ±16 LSB | - |
| Glitch Energy | 0.1 nV-s | - |
| Power Supply | 2.7 V to 5.5 V | - |
| Power Consumption (Normal Mode) | 140 μA at 2.7 V | - |
| Power Consumption (Power-Down Mode) | < 1 μW | - |
| Settling Time | 10 μs to ±0.003% FSR | - |
| Package Type | MSOP-8 (VSSOP) | - |
| Operating Temperature Range | -40°C to 105°C | - |
Key Features
- Ultra-low glitch energy of 0.1 nV-s
- MicroPower operation: 140 μA at 2.7 V
- Power-on reset to midscale
- 16-bit monotonic DAC with good linearity
- Low-power serial interface with Schmitt-Triggered inputs
- On-chip output buffer amplifier with rail-to-rail operation
- Power-down capability reducing current to 200 nA at 5 V
- 2's complement input coding
- SYNC interrupt facility
- Drop-in compatible with DAC8531/01 and DAC8551 (binary input)
- Available in a tiny MSOP-8 package
Applications
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo-Control
- PC Peripherals
- Portable Instrumentation
- Programmable Attenuation
Q & A
- What is the resolution of the DAC8550?
The DAC8550 has a resolution of 16 bits.
- What is the typical power consumption of the DAC8550 in normal mode?
The typical power consumption is 140 μA at 2.7 V.
- What is the glitch energy of the DAC8550?
The glitch energy is 0.1 nV-s.
- What is the operating voltage range of the DAC8550?
The operating voltage range is from 2.7 V to 5.5 V.
- Does the DAC8550 have a power-down feature?
- What type of input coding does the DAC8550 use?
The DAC8550 uses 2's complement input coding.
- Is the DAC8550 compatible with standard serial interfaces?
- What is the settling time of the DAC8550?
The settling time is 10 μs to ±0.003% FSR.
- In what package is the DAC8550 available?
The DAC8550 is available in an MSOP-8 (VSSOP) package.
- What are some common applications of the DAC8550?
Common applications include process control, data acquisition systems, closed-loop servo-control, PC peripherals, portable instrumentation, and programmable attenuation.
