Overview
The DAC8554IPW is a 16-bit, quad-channel, voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for low-power operation and features a flexible serial host interface. It offers monotonicity, good linearity, and exceptionally low glitch energy. Each on-chip precision output amplifier allows rail-to-rail output swing over the supply range of 2.7V to 5.5V. The DAC8554 is ideal for applications requiring high precision and low power consumption, making it suitable for portable battery-operated equipment and other low-power applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Number of Channels | 4 | |
| Relative Accuracy | 4LSB | |
| Glitch Energy | 0.15nV-s | |
| Power Supply | +2.7V to +5.5V | |
| Power Consumption (Normal Mode) | 4.25mW at 5V | |
| Power Consumption (Power-Down Mode) | 4µW at 5V | |
| Settling Time | 10µs to ±0.003% FSR | |
| AC Crosstalk | -100dB Typ | |
| Serial Interface Clock Frequency | Up to 50MHz | |
| Operating Temperature Range | -40°C to +105°C | |
| Package Type | TSSOP-16 |
Key Features
- MicroPower Operation: 150µA per channel at 2.7V
- Power-On Reset to Zero-Scale
- On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
- Double Buffered Input Architecture
- Simultaneous or Sequential Output Update and Power-Down
- 16-Channel Broadcast Capability
- 1.8V to 5.5V Logic Compatibility
- Low Power SPI Compatible Serial Interface with Schmitt-Triggered Inputs: Up to 50MHz
- Ultra-Low AC Crosstalk: -100dB Typ
- Per Channel Power-Down Feature: Reduces current consumption to 175nA per channel at 5V
Applications
- Portable Instrumentation
- Closed-Loop Servo-Control
- Process Control
- Data Acquisition Systems
- Programmable Attenuation
- PC Peripherals
Q & A
- What is the resolution of the DAC8554?
The DAC8554 has a resolution of 16 bits.
- How many channels does the DAC8554 have?
The DAC8554 is a quad-channel DAC.
- What is the relative accuracy of the DAC8554?
The relative accuracy of the DAC8554 is 4LSB.
- What is the glitch energy of the DAC8554?
The glitch energy of the DAC8554 is 0.15nV-s.
- What is the power supply range for the DAC8554?
The power supply range for the DAC8554 is +2.7V to +5.5V.
- What is the typical power consumption of the DAC8554 in normal mode?
The typical power consumption of the DAC8554 in normal mode is 4.25mW at 5V.
- How does the power-down feature of the DAC8554 work?
The power-down feature reduces the current consumption to 175nA per channel at 5V, accessed over the serial interface.
- What is the settling time of the DAC8554?
The settling time of the DAC8554 is 10µs to ±0.003% FSR.
- What is the operating temperature range of the DAC8554?
The operating temperature range of the DAC8554 is -40°C to +105°C.
- In what package type is the DAC8554 available?
The DAC8554 is available in a TSSOP-16 package.
