Overview
The DAC8550IDGKR is a 16-bit, ultra-low glitch, voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed to be small, low-power, and highly accurate, making it ideal for various applications requiring precise analog output. The DAC8550IDGKR operates with a versatile 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces, supporting clock rates up to 30 MHz. It features a power-on reset to midscale and a power-down mode to minimize power consumption, making it suitable for battery-operated equipment.
Key Specifications
| Specification | Value |
|---|---|
| No. of Bits | 16 |
| Input Format | Serial (2's Complement Binary) |
| Power Supply | 2.7 V to 5.5 V |
| Maximum Supply Current | 250 μA |
| Settling Time | 10 μs to ±0.003% FSR |
| Glitch Energy | 0.1 nV-s |
| Maximum Analog Output Voltage | 5.5 V |
| Minimum Analog Output Voltage | 0 V |
| Package Type | VSSOP-8-0.65mm |
| Operating Temperature Range | -40 °C to 105 °C |
| Maximum Linearity Error (EL) | 0.0183 % |
Key Features
- Ultra-low glitch energy of 0.1 nV-s
- MicroPower operation: 140 μA at 2.7 V
- Power-on reset to midscale
- Power-down capability reducing current to 200 nA at 5 V
- On-chip output buffer amplifier with rail-to-rail output
- Low-power serial interface with Schmitt-Triggered inputs
- 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 DAC8550IDGKR?
The DAC8550IDGKR has a resolution of 16 bits. - What is the input format of the DAC8550IDGKR?
The input format is serial, using 2's complement binary coding. - What is the power supply range for the DAC8550IDGKR?
The power supply range is from 2.7 V to 5.5 V. - What is the maximum supply current of the DAC8550IDGKR?
The maximum supply current is 250 μA. - How long does the DAC8550IDGKR take to settle?
The settling time is 10 μs to ±0.003% FSR. - What is the glitch energy of the DAC8550IDGKR?
The glitch energy is 0.1 nV-s. - What is the maximum analog output voltage of the DAC8550IDGKR?
The maximum analog output voltage is 5.5 V. - What is the package type of the DAC8550IDGKR?
The package type is VSSOP-8-0.65mm. - What is the operating temperature range of the DAC8550IDGKR?
The operating temperature range is from -40 °C to 105 °C. - Is the DAC8550IDGKR suitable for battery-operated devices?
Yes, it is suitable due to its low power consumption and power-down capability.
